Name: PostgreSQL developers & DBAs
Brand: Upwork
Rating: 4.7 (869 reviews)

5.0/5
(15 jobs)

✅ Top-Rated Plus Jamstack developer. ✅ 100% client satisfaction. ✅ Always up-to-speed on the latest technologies. ✅ Constantly on the lookout for new and innovative ways to solve complex problems through rigorous experimentation. ✅ Puts emphasis on the quality of the work. ✅ Always open to feedback, new ideas, and opportunities for self-improvement. ✅ Look for ways to help out beyond the scope of your day-to-day work. ✅ Excited to learn and develop blockchain technology. About Me With a wealth of experience under my belt, I am a highly skilled Jamstack developer proficient in the latest development frameworks and technologies. My expertise lies in JavaScript frameworks, particularly in front-end development, and I specialize in creating web applications using the innovative JAMstack approach. My expertise in full-stack development and JavaScript frameworks allows me to deliver impressive results that meet the highest standards of quality and performance. Not only am I dedicated to using my skills to drive the success of a company, but I am also a self-motivated individual who excels at both independent and team-based projects. Whether working alone or as part of a team, I am always striving to push the boundaries of what is possible and deliver the highest quality results. Base Technology Stack: ⭐ Frontend: React, Gatsby, Next.js, Astro with Typescript. ⭐State Management: Redux, Recoil ⭐ Headless CMS: Contentful, Strapi, Wordpress/WooCommerce, Shopify, Airtable, GraphCMS, Sanity, Prismic. ⭐ Infrastructure As Code and Automation Tools: AWS CDK ⭐ Integration: AWS EventBridge ⭐ Computing: AWS Lambda, Netlify functions, Vercel functions ⭐ Programing Language: Javascript, TypeScript ⭐ Orchestration: AWS Step Functions ⭐ CDN: Amazon CloudFront/Netlify/Vercel ⭐ Static Content: Amazon S3 ⭐ API Front End: GraphQL using AWS AppSync ⭐ Database: AWS DynamoDB/FaunaDB/MongoDB ⭐ Observability: AWS X-Ray and AWS Cloud-Watch ⭐ IDE: VS Code ⭐ E-commerce Stack: Shopify, Stripe, and 2Checkout ⭐ CI/CD: CDK pipelines/Netlify pipelines ⭐ Version Control: GitHub

PostgreSQL Administration

TypeScript

Next.js

CSS

JavaScript

Responsive Design

PostgreSQL

AWS Lambda

React

Shopify

Serverless Computing

Gatsby.js

GraphQL

API

Tailwind CSS

5.0/5
(26 jobs)

👋 Odoo Specialist & Full-Stack Developer I design and implement tailored software solutions that streamline operations and boost efficiency. With deep expertise in Odoo, I build scalable, high-performance systems that align with your unique business needs. ⸻ Core Competencies: • Custom Module Development – Building specialized Odoo modules to enhance functionality and meet complex business requirements. • Third-Party Integrations – Seamlessly connecting Odoo with external applications to extend workflows and capabilities. • RESTful API Development – Designing robust APIs for efficient, secure data exchange between Odoo and other systems. • Single Sign-On (SSO) – Implementing secure SSO (Keycloak) to provide unified access across multiple platforms.

PostgreSQL Administration

ERP Software

Amazon S3

Elasticsearch

PostgreSQL

Odoo Administration

Odoo Development

Node.js

Odoo

Python

AngularJS

React

Web Application

5.0/5
(6 jobs)

I have 6+ years of industry experience in Python – Python, Django, Flask, RPA(Robotics Process Automation), Data Scrapping, UI-Path, FastAPI, ReactJS, Typescript, NodeJS, VueJS, LangChain, and web/cloud development. I was involved in many enterprise-level projects with up to 300K lines of source code and can quickly catch up with existing code base, design structure, and implement new projects from scratch. Please find the complete skill list below: - Architecture: Clean Architecture, Domain Driven Design, REST APIs, patterns - Databases and ORMs: Django ORM - Back end: Python – Django, Flask, FastAPI, Data-Scrapping, RPA, Selenium, NodeJS - Front end: ReactJS, VueJS, JavaScript/Typescript, CSS, Bootstrap - Cloud technologies: AWS, GCP (App service, Functions, Database services, Storage and much more) - Security: OAuth2 with Third Party Integration B2B /B2C - Tools: DevOps for GitHub, Gitlab, and CI/CD pipelines - Project Management Tools: JIRA, ASANA, TRELLO, GitHub Issues, Click Up, and Slack - Much experience in the integration of 3rd party APIs - Extensive experience in Code Reviews, estimations, and architecture

PostgreSQL Administration

PostgreSQL

API

Django

RESTful API

UiPath

Data Scraping

Robotic Process Automation

Automation

Python

4.9/5
(53 jobs)

🚀 𝗧𝗿𝗮𝗻𝘀𝗳𝗼𝗿𝗺 𝗬𝗼𝘂𝗿 𝗜𝗱𝗲𝗮𝘀 𝗶𝗻𝘁𝗼 𝗥𝗲𝗮𝗹𝗶𝘁𝘆 with the guidance of a skilled solution architect and the strategic vision of a CTO, Employing the expertise of full-stack developer. Hi, I’m Wasif, An experienced and results-oriented CTO, Solution Architect, and Full Stack Developer with a proven track record of leading technical teams and delivering innovative software solutions. Skilled in transforming complex business challenges into innovative full-stack development solutions. Experienced CTO and Solution Architect with the ability to increase project efficiency by 60% through strategic planning and full-stack development expertise. My expertise as a CTO and Full Stack Developer spans a wide range of industries including Health & Fitness, E-commerce, Banks, Real Estate, Fintech, Education, Law & Logistics, and E-gaming focusing on driving innovation. As a CTO, Solution Architect, and Full-Stack Developer, I assist entrepreneurs and small- to medium-sized businesses with architectural decisions, coding best practices, code reviews, development, and team management. 💡 𝗠𝘆 𝗥𝗲𝗰𝗲𝗻𝘁 𝗦𝘂𝗰𝗰𝗲𝘀𝘀: ✅In my recent projects, I’ve developed dynamic websites that increased user engagement by 40% ✅ Implemented the best solutions for clients that boosted sales by up to 30%. 🔧 𝗞𝗲𝘆 𝗦𝗸𝗶𝗹𝗹𝘀: ⚡CTO: Guiding technology vision, strategic planning, and team management. ⚡Solution Architect: Designing complex systems, defining technology stacks, and ensuring architectural integrity. ⚡ Full Stack Development: React, Typescript, Python, Next.js, Nest, Node.js, Express ⚡ Frontend: HTML5, CSS3, JavaScript, AntD, Chakra UI, Tailwind, Bootstrap, Material UI, SCSS ⚡ Backend: MongoDB, Firebase, Node.js, Django, DynamoDB, PostgreSQL ⚡DevOps: AWS services, Docker, GCP, Azure ⚡Management Tools: Jira, Asana, Trello, Monday, Git ⚡Design Tools & Animation: GSAP, Framer, Figma, Photoshop, Illustrator ⚡Scripting & Automation: Python (Pandas, Web Scraping) ✨𝗠𝘆 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀: ✅Fullstack Web Apps creation with React, Next, Node, Nest, Express, MongoDB. ✅React Web Apps Integration with Node, Express, MongoDB, PostgreSQL, Firebase. ✅Fullstack Web Apps with Authentication, Authorization, and Realtime Database via Firebase. ✅ Ready-made design from PSD, Figma, and Illustrator to Html, and Webflow. ✅Fully Responsive Website and Web Apps. ✅Trending Web Design Implementation with Slick Animations. ✅Python Scripting, Automation, and Web Scraping. Let's work together to bring your vision to life! Contact me today to discuss your project needs.

PostgreSQL Administration

Python

Amazon Web Services

Full-Stack Development

CI/CD

MERN Stack

TypeScript

MongoDB

PostgreSQL

GraphQL

NestJS

Next.js

ExpressJS

Node.js

JavaScript

React

5.0/5
(28 jobs)

As a 𝗧𝗢𝗣 𝗥𝗔𝗧𝗘𝗗 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿, Proficient in 𝗥𝗲𝗮𝗰𝘁𝗝𝗦, 𝗡𝗲𝘅𝘁𝗝𝗦, 𝗔𝗻𝗴𝘂𝗹𝗮𝗿𝗝𝗦, 𝗡𝗼𝗱𝗲𝗝𝗦, 𝗘𝘅𝗽𝗿𝗲𝘀𝘀𝗝𝗦, 𝗔𝗪𝗦, 𝗣𝗿𝗶𝘀𝗺𝗶𝗰, 𝗮𝗻𝗱 𝗦𝗵𝗼𝗽𝗶𝗳𝘆. I have build efficient and reliable solutions by utilizing my front-end and back-end expertise. I am here to provide you best web solutions by utilizing advance web technologies and 𝗔𝗪𝗦 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀. With years of experience in building robust and scalable applications, I've come to appreciate the importance of selecting the right technologies to drive success. From frontend to backend, and database to deployment, the tech stack choices we make can make or break our projects. Come to inbox and have a detailed discussion to collaborate on your project. 𝐒𝐊𝐈𝐋𝐋𝐒: ► Programming Languages: Javascript (ES7, ES6, ES5), Typescript ► Frameworks: React, NextJS, NodeJS, ExpressJS, NestJS, Socket.io, Redux, Material Design, TailwindCSS, Gatsby, Astro, Prismic, Strapi ► Markup and Template Languages: HTML, CSS, W3CSS, EJS, Jade, JSX ► Databases & Storage: MongoDB, MySQL, Postgres, Prisma, Redis, Sequelize ► Testing Frameworks/Libraries: Protractor, Mocha, Jest, Sinon, Enzyme, Karma, Cypress ► Services And APIs: AWS, Facebook, Twitter, Google, Github, Instagram ► Auth Frameworks/Libraries: JSON Web Tokens (JWT), OAuth 2.0, PassportJS, Firebase ► Charts and Drawing: D3.js, Highcharts, Google Charts, Chart.js, ReCharts ► Maps: Google Maps, Open Street Maps, MapBox, Leaflet ► Messaging Services: NSQ, Kafka, AWS SNS, AWS SES, Pubsub ► Public Clouds: Amazon Web Services, Google Cloud, Azure Cloud, Digital Ocean ► Source Code Management: Github, Bitbucket, GitLab, AWS CodeCommit ► Project And Team Management: JIRA, Trello, Slack, Asana 𝐖𝐞𝐛 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: - Website design and development - E-commerce solutions - Web application development - Progressive web apps (PWAs) - Responsive web design - Front-end development - Back-end development - Full-stack development 𝐀𝐏𝐈 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧: - API design and development - API integration with third-party services - Data integration and migration - API security and authentication - API performance optimization - API documentation and testing 𝐂𝐥𝐨𝐮𝐝 𝐂𝐨𝐦𝐩𝐮𝐭𝐢𝐧𝐠: - Cloud infrastructure setup and management - Cloud migration and deployment - Cloud security and compliance - Cloud cost optimization - Cloud architecture and design - DevOps and continuous integration 𝐀𝐝𝐝𝐢𝐭𝐢𝐨𝐧𝐚𝐥 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬: - Web hosting and maintenance - Website optimization and performance improvement - Search engine optimization (SEO) - Social media integration and marketing - Database design and management - Cybersecurity and penetration testing - IT consulting and strategy If you'd like to discuss how I can help with your project, please feel free to reach out to me directly. We can schedule a call to go over your needs and see if we're a good fit. Let's get in touch!

PostgreSQL Administration

MongoDB

Tailwind CSS

GraphQL

Redux

AWS Lambda

PostgreSQL

Gatsby.js

CSS 3

ExpressJS

Node.js

Next.js

React

TypeScript

JavaScript

MERN Stack

5.0/5
(7 jobs)

I help startups and businesses build scalable, high-performance web, mobile, and AI applications that drive real results without blowing the budget. With over 10 years of experience, I specialize in end-to-end development of SaaS platforms, MVPs, and custom software using modern stacks like React, TypeScript, Python (FastAPI/Django), Node.js, and PostgreSQL. I bring the full package from architecting cloud-native systems on AWS, GCP, and Vercel to building slick frontends and secure, testable backends. I’ve successfully launched platforms in real estate tech, fintech, healthtech, and AI, often working directly with founders to bring ideas to life fast. Whether you’re validating an idea or scaling your product, I’ll help you build with clarity, speed, and confidence. 🔹 𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤 & 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: ✅ AI: RAG (Retrieval Augmented Generation), Natural Language Processing (NLP), VSC, Machine Learning (ML), PA, Neural Networks, OpenAI and similar technologies, Generative AI, Custom AI solutions, LLM, AI-driven development, AI-powered applications. ✅ Frontend: React, NextJS, Angular, Tailwind CSS, JavaScript, TypeScript ✅ Backend: Python, Django, FastAPI, Flask, Node.js, ExpressJS, NestJS. ✅ Databases: MySQL, PostgreSQL, MongoDB. ✅ DevOps & Cloud: AWS, GCP, Azure, Docker, CI/CD, Git, Jenkins. ✅ Hybrid Apps: React Native, Flutter 𝐈 𝐡𝐚𝐯𝐞 𝐰𝐨𝐫𝐤𝐞𝐝 𝐚𝐜𝐫𝐨𝐬𝐬 𝐦𝐮𝐥𝐭𝐢𝐩𝐥𝐞 𝐢𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬, 𝐝𝐞𝐥𝐢𝐯𝐞𝐫𝐢𝐧𝐠 𝐡𝐢𝐠𝐡-𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞, 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 𝐭𝐚𝐢𝐥𝐨𝐫𝐞𝐝 𝐭𝐨 𝐞𝐚𝐜𝐡 𝐬𝐞𝐜𝐭𝐨𝐫'𝐬 𝐧𝐞𝐞𝐝𝐬: ✅ SaaS ✅ FinTech ✅ HealthTech ✅ E-commerce & Retail ✅ AI & Machine Learning ✅ CRM & HRM ✅ Real Estate & PropTech ✅ Mobile Apps ✅ Logistics & Supply Chain 🔹 𝐖𝐡𝐚𝐭 𝐈 𝐎𝐟𝐟𝐞𝐫: 🔹 Custom Web Applications (MVPs, SaaS, AI-integrated solutions) 🔹 Fast, Scalable & Secure Solutions 🔹 API Development & Integration 🔹 Database Optimization & Performance Tuning 🔹 E-commerce, Marketplaces, AI-Powered Dashboards ➡️ 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐋𝐨𝐯𝐞 𝐖𝐨𝐫𝐤𝐢𝐧𝐠 𝐖𝐢𝐭𝐡 𝐌𝐞: 🔹 Proven Success: Top Rated, 100% JSS. 🔹 Fast Turnaround: Full-time Freelancer (US Time zone Availability) 🔹 Cost-Effective Development: Significantly reduce development costs. 🔹 Long-Term Collaboration: Trusted by 10+ clients. 💬 Some of my 𝐂𝐥𝐢𝐞𝐧𝐭 𝐭𝐞𝐬𝐭𝐢𝐦𝐨𝐧𝐢𝐚𝐥𝐬 highlighting the value of my services: -------------------------------------------------------------------------------------------------------------------- - Salman is a rockstar engineer and has completed all work successfully. He has deep technical expertise with React, TypeScript, and Python/Django. He's raised the bar by introducing concepts like Tailwind and other libraries. He's very responsive on communication tools and always strives to improve.” – 𝗠𝗮𝘁𝘁 -------------------------------------------------------------------------------------------------------------------- - Salman is a hardworking and talented full-stack engineer. We had a complex React and Django web app that Salman navigated masterfully. We would work with him again.” – 𝗥𝘂𝘀𝘀𝗲𝗹𝗹 -------------------------------------------------------------------------------------------------------------------- 𝐋𝐞𝐭’𝐬 𝐖𝐨𝐫𝐤 𝐓𝐨𝐠𝐞𝐭𝐡𝐞𝐫! 📩 Let’s build your next big project! Message me now for a FREE consultation. 𝐍𝐨𝐭𝐞: If my work does not meet our agreed-upon expectations, I am willing to 𝐫𝐞𝐟𝐮𝐧𝐝 the payment without any questions. 𝐊𝐞𝐲𝐰𝐨𝐫𝐝𝐬: Full Stack Developer, Python, JavaScript, TypeScript, React, Django, Next.js, FastAPI, SaaS Development, API Development, AI, AWS, DevOps

PostgreSQL Administration

Back-End Development

Dash

Full-Stack Development

Web Development

Docker

MongoDB

Supabase

PostgreSQL

JavaScript

TypeScript

Next.js

React

FastAPI

Django

Python

4.9/5
(82 jobs)

With 6+ years of experience in Full stack and Backend Development, as well as cloud DevOps expertise, I specialize in crafting robust and scalable backend solutions tailored to your specific needs. Services I Offer ✔️ Custom Django Development: New or existing backend, including user authentication and complex data models. ✔️ Django Rest Framework API Development: Designing and implementing seamless RESTful APIs. ✔️ DevOps Expertise: Docker and Kubernetes proficiency for efficient environments. ✔️ CI/CD Pipelines: Configuring reliable deployment pipelines for faster releases. ️Technologies I Use for Backend Development: ✔️ Django ✔️ Django Rest Framework , ElasticSearch, Stripe, PostgreSQL, Celery ✔️ PostgreSQL, SQL, MangoDB ✔️ Google Cloud Platform (GCP) & AWS ✔️ Docker ✔️ Kubernetes ✔️ CI/CD Pipelines My DevOps stack list includes: ✔️ Programming Languages (Python, Java, PHP, NodeJS, Ruby) ✔️ Network Protocols ✔️ Linux (Ubuntu/RedHat/CentOS) ✔️ DevOps ✔️ CI/CD ✔️ DevSecOps ✔️ Serverless Computing ✔️ Solutions Architecture ✔️ Deployment Automation ✔️ Automated Testing ✔️ SQL/NoSQL Database Systems ✔️ Cloud Platforms: ○ Amazon Web Services (AWS): EC2, ECS, S3, IAM, Lambda, Route 53, CloudFront, CloudFormation, ○ RDS, etc. ○ Microsoft Azure ○ Google Cloud Platform (GCP) ○ DigitalOcean ✔️ Containerization: ○ Docker ○ Kubernetes ✔️ Infrastructure as Code: ○ Terraform ○ Ansible ✔️ Continuous Integration: ○ Jenkins ○ GithHub Actions ✔️ Web Servers: ○ Apache ○ Tomcat ○ Nginx ✔️ Version Control: ○ Git ○ SVN ✔️ Scripting: ○ Bash Script ○ PowerShell I have experience working with clients from various industries, including healthcare, e-commerce, and finance. I am familiar with Agile development methodologies and have worked with remote teams in the past.

PostgreSQL Administration

Elasticsearch

Google Cloud Platform

Amazon Web Services

Jenkins

Kubernetes

CI/CD

DevOps

DevOps Engineering

Docker Compose

Docker

PostgreSQL

Python

REST API

Django

Back-End Development

5.0/5
(94 jobs)

Hi, I am an experienced Data Engineer with strong proficiency in Python, SQL and AWS. I enjoy working with big data problems, writing complex SQL queries and building scalable solutions for companies to leverage the power of data. I have a great understanding of Data Engineering fundamentals including SQL and Python; the understanding has been developed by completing over 1000 hours of work and 70+ projects for clients over Upwork. A few of the most common things I do these days: * Data Engineering: Building data engineering pipelines from scratch, optimising/customising the existing solutions * SQL Wizardy: Helping with SQL needs including query writing, data analysis and data modeling * Python Scripting: Webscraping, Data Analysis, Automation, API Integrations Are you in need of any of the above? Invite me and lets get this started!

PostgreSQL Administration

AWS Lambda

Data Scraping

Data Ingestion

PostgreSQL

MySQL

Data Cleaning

Scripting

SQL Programming

ETL

Database Architecture

AWS Glue

SQL

Python

ETL Pipeline

5.0/5
(22 jobs)

🟢 𝐀𝐯𝐚𝐢𝐥𝐚𝐛𝐥𝐞 𝐍𝐨𝐰 💼 𝟖+ 𝐘𝐞𝐚𝐫𝐬 𝐨𝐟 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 🚀 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐳𝐞𝐝 𝐢𝐧 𝐒𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐖𝐞𝐛 & 𝐌𝐨𝐛𝐢𝐥𝐞 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 ✅ 𝐏𝐫𝐨𝐯𝐞𝐧 𝐑𝐞𝐜𝐨𝐫𝐝 𝐨𝐟 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐢𝐧𝐠 𝐈𝐦𝐩𝐚𝐜𝐭𝐟𝐮𝐥 𝐑𝐞𝐬𝐮𝐥𝐭𝐬 𝐘𝐨𝐮𝐫 𝐕𝐢𝐬𝐢𝐨𝐧, 𝐌𝐲 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 – 𝐁𝐮𝐢𝐥𝐝𝐢𝐧𝐠 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 𝐓𝐡𝐚𝐭 𝐈𝐧𝐬𝐩𝐢𝐫𝐞 𝐇𝐢 𝐭𝐡𝐞𝐫𝐞! 👋 I'm Waqas Iqbal, a 𝐒𝐞𝐧𝐢𝐨𝐫 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫 with a passion for turning complex ideas into seamless digital experiences. Over the past 𝟖+ 𝐲𝐞𝐚𝐫𝐬, I’ve worked with startups, enterprises, and entrepreneurs to create powerful systems that solve real-world challenges and drive growth. 💻 𝐅𝐫𝐨𝐧𝐭-𝐄𝐧𝐝 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 • 𝐑𝐞𝐚𝐜𝐭.𝐣𝐬 & 𝐍𝐞𝐱𝐭.𝐣𝐬: Creating dynamic, responsive, and user-centric web interfaces. • 𝐕𝐮𝐞.𝐣𝐬 & 𝐀𝐧𝐠𝐮𝐥𝐚𝐫.𝐣𝐬: Building scalable front-end architectures for complex projects. • 𝐓𝐚𝐢𝐥𝐰𝐢𝐧𝐝 𝐂𝐒𝐒 , 𝐌𝐚𝐭𝐞𝐫𝐢𝐚𝐥 𝐔𝐈 & 𝐁𝐨𝐨𝐭𝐬𝐭𝐫𝐚𝐩: Delivering elegant, functional designs that engage users. • 𝐉𝐚𝐯𝐚𝐒𝐜𝐫𝐢𝐩𝐭 & 𝐓𝐲𝐩𝐞𝐒𝐜𝐫𝐢𝐩𝐭: The foundation of modern, scalable web applications. • 𝐖𝐨𝐫𝐝𝐏𝐫𝐞𝐬𝐬 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: Custom themes, plugins, and enhancements tailored to your business needs. 💻 𝐁𝐚𝐜𝐤-𝐄𝐧𝐝 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 • 𝐍𝐨𝐝𝐞.𝐣𝐬 & 𝐍𝐞𝐬𝐭𝐉𝐒: Designing robust, scalable server-side applications. • 𝐌𝐨𝐧𝐠𝐨𝐃𝐁, 𝐌𝐲𝐒𝐐𝐋, 𝐏𝐨𝐬𝐭𝐠𝐫𝐞𝐒𝐐𝐋, & 𝐑𝐞𝐝𝐢𝐬: Crafting efficient, high-performance databases. • 𝐑𝐄𝐒𝐓𝐟𝐮𝐥 𝐀𝐏𝐈𝐬 & 𝐆𝐫𝐚𝐩𝐡𝐐𝐋: Seamlessly connecting front-end and back-end systems. • 𝐒𝐨𝐜𝐤𝐞𝐭.𝐢𝐨 & 𝐖𝐞𝐛𝐒𝐨𝐜𝐤𝐞𝐭𝐬: Real-time communication for chat applications, live updates, and notifications. • 𝐌𝐢𝐜𝐫𝐨𝐬𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞: Structuring applications for scalability and maintainability. • 𝐂𝐈/𝐂𝐃 𝐏𝐢𝐩𝐞𝐥𝐢𝐧𝐞𝐬: Automating deployments using Jenkins, GitHub Actions, and Docker. • 𝐂𝐥𝐨𝐮𝐝 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬: Expertise in AWS, Google Cloud Platform (GCP), Firebase, and Azure for hosting, storage, and computing. 💡 𝐖𝐡𝐚𝐭 𝐘𝐨𝐮’𝐥𝐥 𝐆𝐚𝐢𝐧 𝐖𝐨𝐫𝐤𝐢𝐧𝐠 𝐰𝐢𝐭𝐡 𝐌𝐞 • 𝐂𝐥𝐢𝐞𝐧𝐭-𝐂𝐞𝐧𝐭𝐫𝐢𝐜 𝐀𝐩𝐩𝐫𝐨𝐚𝐜𝐡: I take the time to understand your vision and align with your goals. • 𝐑𝐞𝐬𝐮𝐥𝐭𝐬-𝐃𝐫𝐢𝐯𝐞𝐧 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬: Whether it’s a web app, mobile platform, or backend system, I ensure it’s scalable, secure, and efficient. • 𝐑𝐞𝐥𝐢𝐚𝐛𝐥𝐞 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧: Transparent updates and collaboration to keep you in the loop at every stage. • 𝐓𝐢𝐦𝐞𝐥𝐲 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐲: Projects completed on schedule without compromising on quality. 🌟 𝐖𝐡𝐲 𝐂𝐡𝐨𝐨𝐬𝐞 𝐌𝐞? With over 8 years of experience, I’ve delivered high-impact solutions for diverse industries, from e-commerce to SaaS platforms. I’m passionate about innovation and constantly strive to stay ahead of emerging trends to deliver cutting-edge results. Whether you’re building from scratch, enhancing an existing system, or scaling for growth, I’m here to help. Let’s collaborate and create something exceptional together! Best regards, Waqas Iqbal

PostgreSQL Administration

GraphQL

DevOps

MySQL

AWS Lambda

PostgreSQL

Redux

MongoDB

Next.js

Node.js

React

TypeScript

Angular

ExpressJS

Ruby on Rails

JavaScript

5.0/5
(6 jobs)

PostgreSQL Administration

CodeIgniter

Ecommerce Website Development

Front-End Development

Scrum

Laravel

MySQL

React

PostgreSQL

PHP

JavaScript

5.0/5
(22 jobs)

I'm a seasoned Healthcare IT professional specializing in Imaging/Radiology informatics. With robust technical skills and extensive customer/stakeholder interaction, I craft inventive healthcare solutions. Bridging customer needs and technical execution, I excel in eliciting requirements, prototyping, and end-to-end delivery. Proficient in Health IT standards (DICOM/DICOMweb, HL7, FHIR), I code in JavaScript, C#, and shell. Well-versed in React, I handle databases like PostgreSQL, MySQL, SQL Server, Oracle, and have NoSQL experience with MongoDB. My Tech stack: ------------------ Frontend: ⚡ ReactJS, JS, jQuery, Bootstrap, HTML5/CSS3, UI/UX, Media Queries, Sass Backend: ⚡ .NET , .NET CORE, ASP.NET, ASP.NET MVC, Web API, WCF, C#, Entity Framework 5/6, Signal R Core, ADO.NET , ADO.NET Core, Dotnet, JWT, OAuth DevOps + Cloud Infrastructure: ⚡ Kubernetes, Docker, GCP Stack (Cloud Functions, Cloud Run, BigQuery, Cloud Build, Data Fusion), Azure Application Insights, Serilog, Azure Functions, Azure SignalR, Redis, Azure Service Bus, Autoscaling, Azure Container Instances, Jenkins CI/CD, Azure DevOps, Git Actions Data Stack: ⚡ BigQuery, REDIS, SQL Server, PostgreSQL, My SQL, Elastic Search, Oracle Software Engineering: ⚡ Scrum, Agile, JIRA, VS Team Services, GitHub, Confluence, Bitbucket, Azure DevOps Software Design & Architecture: ⚡ Microservices, Domain Driven Design, N-Tier Architecture, Layered Architecture, Loosely coupled and highly coherent software Integrations: ⚡ OAuth, Facebook API, Google API, Amazon API Languages: ⚡ C#, JavaScript, Android Native - Java During the past 6+ years I've worked with: -------------------------------------------------- ⚡ Working with Hgreg as Data Architect, Our focus is provide data and analytics to crack the best deal in auctions for the selection of Auction based cars through various methods ⚡ Working with SIUT as Specialist EHR Implementation, I helped the institution in a transition phase, also done complete integration of PACS solution with OHIF. also developed Practise EHR solution using ReactJs and .Net Core. ⚡ Worked with Aga Khan Hospital, I participated and delivered solutions such as Patient Portal/Physician Portal. I also worked on Telemedicine and TeleRadiology solutions. Engineering Skills: --------------------- ⚡ Performance Improvements (SQL + Code) ⚡ Software Design Principles (KISS, DRY, YAGNI, SR, IOC) ⚡ Software Design Patterns (CQRS, Mediator, Singleton, Facade, Adapter, Builder, Bridge, etc) ⚡ Architectural Patterns (Microservices, Layered, Tiers, MVC, MVVM) ⚡ Database Design (SQL, MySQL, Postgres, BiqQuery, Oracle) ⚡ TDD Unit testing with X-Unit and MOQ ⚡ JWT Authentication ⚡ API documentation ⚡ Middleware

PostgreSQL Administration

PostgreSQL

Google Cloud Platform

BigQuery

ASP.NET Core

C#

ASP.NET

.NET Core

Mirth Connect

Microsoft SQL Server

Healthcare IT

React

API

4.9/5
(39 jobs)

Hi there! 👋 I’m Ali, a passionate and seasoned Full Stack Developer with extensive experience crafting high-quality, scalable, and secure software solutions. With a Master's degree in Computer Science and expertise in Computer Vision and Machine Learning, I bring a unique blend of technical skills and innovative problem-solving to every project. Here’s what I bring to the table: ✅ Expertise in Development Frameworks and Languages: Back-End: Ruby, Ruby on Rails, NestJS, Node.js, Python Front-End: React.js, Vue.js, JavaScript, jQuery, HAML, HTML Scripting and Automation: Python Scripting, Web Scraping ✅ Comprehensive Services: Full-stack Web Development API Development and Integration Web Scraping and Data Automation Payment Gateway Integration (Stripe, Square, PayPal, etc.) Cloud Deployments (AWS, Google Cloud, Digital Ocean, Alibaba Cloud) Whether you're building a complex SaaS application, enhancing your e-commerce platform, or integrating third-party APIs, I’m here to deliver results that exceed expectations. With a proven track record of collaborating remotely with diverse clients and industries—including SaaS, E-Commerce, EdTech, and Healthcare—you can count on me for a seamless, end-to-end development process. Let’s transform your vision into reality! Message me today to discuss how I can contribute to your project's success.

PostgreSQL Administration

Firebase

SaaS Development

App Marketplace

AWS Development

Database Design

Load Balancing

Scripts & Utilities

Javassist

Ruby on Rails

React

Ruby

ExpressJS

Web Development

PostgreSQL

Azure DevOps

4.9/5
(7 jobs)

Hi there🙋! I am an experienced web developer with expertise in front-end, back-end, and test-driven development. I hold a BS in Computer Science and have over 3 years of experience in building scalable web applications. I have worked with large startups, groups, and organizations, both individually and as part of a team. My areas of expertise include building and deploying large-scale applications, Ruby on Rails, MERN Stack, Python, Django, test-driven development, continuous integration, Javascript/jQuery, React, and databases like Postgresql, MySql, and MongoDB. I am also skilled in HTML5, Haml, Slim, CSS, bootstrap, and have experience deploying applications on Heroku, AWS, Play Store, and App Store. Additionally, I am proficient in Git, GitHub, and have experience integrating APIs such as social media platforms (Facebook, Twitter, Instagram), payment gateways (Stripe, Paypal), and single sign-on options (Facebook, Outlook, GSuit). I am a detail-oriented individual who believes in rigorous testing (TDD/BDD) and ensuring maximum speed and compatibility for optimized performance. With my skills and expertise, I am confident in my ability to make a valuable contribution to your team.

PostgreSQL Administration

Git

MERN Stack

Bootstrap

jQuery

Ruby on Rails

Heroku

ExpressJS

PostgreSQL

React

Node.js

Amazon Web Services

Ruby

MongoDB

CSS

JavaScript

HTML

5.0/5
(7 jobs)

Skills: React | Next.js | Node.js | Supabase | PostgreSQL | TypeScript | Tailwind CSS | AI-Powered Apps | OpenAI | API Integration | Stripe | Firebase | GraphQL | Prisma | ShadCN | Docker | Vercel | CMS | Auth0 | JWT | Full Stack Developer Hi, I’m Ammar Ahmed, a Top Rated Full Stack Developer with 5+ years of experience. I help startups and SaaS founders build AI-powered, scalable web apps using the modern React and Node ecosystem fast, secure, and production-ready. I turn rough ideas into real, working MVPs that are cleanly built, well-architected, and easy to scale with rapid turnaround and full ownership of the code. 💼 What I Deliver ⚙️ AI-powered SaaS Dashboards & Admin Panels 🔐 Secure Auth (Clerk, Firebase, Auth0, JWT) 💳 Stripe Subscriptions & Payment Logic 🤖 OpenAI, Claude, & AI API Integrations 📊 Full-stack MVPs with CMS & real-time features 🚀 Rapid prototyping with Vercel, Supabase & ShadCN 💻 My Tech Stack Frontend: React.js, Next.js (App Router), Tailwind CSS, ShadCN Backend: Node.js, Express, Supabase, PostgreSQL, Firebase, Prisma AI & Automation: OpenAI, Claude 3.7, Cursor, GitHub Copilot, lovable.app Payments & Auth: Stripe, Clerk, Auth0, Firebase Auth, JWT Deployment: Vercel, Netlify, AWS (S3, EC2), Docker CMS: Strapi, Sanity, Contentful (headless) Why Clients Love Working With Me: 🏆 100% Job Success | Top Rated 🚀 50+ full-stack projects completed 📈 MVPs that get investor-ready & user-validated 🧠 I understand both code and business — I deliver both 👉 Let’s build something incredible — message me to get started! --------------------------------------------------------------------------- Keywords through which you can find me: React, Next.js, Node.js & Express.js, TypeScript & Nest.js, Shopify & Liquid, Tailwind CSS, MERN Stack, PostgreSQL & MongoDB, Firebase & Supabase, Authentication & Payments, API Integration, Automated Testing & CI/CD, SaaS & CRM Platforms, GraphQL & REST APIs, Headless CMS (Strapi, Sanity, Contentful), AWS & Vercel, Google Cloud & DigitalOcean, Docker & Kubernetes, Microservices & Monorepo (nx), Hasura & Medusa.js, Performance Optimization & Lighthouse, RabbitMQ & Kafka, GitHub Copilot, CursorAI, Devin AI, AutoDev, Windsurf, lovable.app, ChatGPT & OpenAI APIs, Claude 3.7 Sonnet, Clerk & Auth0, WebSockets & OAuth, Agile Development & Team Collaboration.

PostgreSQL Administration

Back-End Development

Front-End Development

MERN Stack

RESTful API

ExpressJS

PostgreSQL

Supabase

Firebase

GraphQL

Tailwind CSS

TypeScript

Node.js

Next.js

React

JavaScript

4.9/5
(82 jobs)

𝐒𝐜𝐚𝐥𝐞 𝐲𝐨𝐮𝐫 𝐢𝐦𝐩𝐚𝐜𝐭 𝐰𝐢𝐭𝐡 𝐀𝐈, 𝐧𝐨𝐭 𝐡𝐞𝐚𝐝𝐜𝐨𝐮𝐧𝐭. I help businesses improve efficiency by using AI to reduce costs, increase productivity, and turn their data into smart decisions that help the company grow. 𝐇𝐨𝐰 𝐈 𝐁𝐫𝐢𝐧𝐠 𝐕𝐚𝐥𝐮𝐞 𝐰𝐢𝐭𝐡 𝐀𝐈: 𝐀𝐈 𝐀𝐠𝐞𝐧𝐭𝐬 𝐚𝐧𝐝 𝐖𝐨𝐫𝐤𝐟𝐥𝐨𝐰 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧: I create AI-powered agents that handle complex tasks like customer support, compliance checks, operations, finance reports, supply chain management, HR onboarding, fraud detection, and monitoring regulations. I use tools like LangChain, LangGraph, and automation platforms such as n8n. 𝐂𝐨𝐥𝐥𝐚𝐛𝐨𝐫𝐚𝐭𝐢𝐯𝐞 𝐀𝐈 𝐒𝐲𝐬𝐭𝐞𝐦𝐬: I build multi-agent AI setups that work together to make decisions and manage large business processes automatically. 𝐒𝐦𝐚𝐫𝐭 𝐃𝐚𝐭𝐚 𝐑𝐞𝐭𝐫𝐢𝐞𝐯𝐚𝐥: I develop AI solutions that combine live company data with language models to deliver accurate insights and answers using RAG (Retrieval-Augmented Generation) methods. 𝐀𝐈 𝐟𝐨𝐫 𝐁𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐆𝐫𝐨𝐰𝐭𝐡: From automating content creation to market research and building chatbots, I help businesses engage customers and find new opportunities with AI. 𝐄𝐧𝐭𝐞𝐫𝐩𝐫𝐢𝐬𝐞 𝐀𝐈 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧: I connect AI technologies like OpenAI GPT models, Llama, Claude, Gemini, and others directly into your apps and systems, making AI a seamless part of your workflow. 𝐒𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐀𝐈 𝐃𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭: Using Python, Django, FastAPI, Docker, Kubernetes, and cloud platforms (AWS, Azure, GCP), I deliver secure, reliable AI solutions with automated development pipelines. 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐂𝐡𝐨𝐨𝐬𝐞 𝐭𝐨 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞: 𝐑𝐞𝐚𝐥-𝐖𝐨𝐫𝐥𝐝 𝐀𝐈 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: I build AI projects that go beyond testing and deliver real business results. 𝐃𝐞𝐞𝐩 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐒𝐤𝐢𝐥𝐥𝐬: I’m experienced in fine-tuning language models, prompt design, RAG, and building strong AI architectures. 𝐑𝐞𝐬𝐮𝐥𝐭𝐬-𝐃𝐫𝐢𝐯𝐞𝐧 𝐀𝐩𝐩𝐫𝐨𝐚𝐜𝐡: I focus on clear communication and delivering value, not just writing code. 𝐂𝐨𝐧𝐧𝐞𝐜𝐭𝐞𝐝 𝐰𝐢𝐭𝐡 𝐀𝐈 𝐋𝐞𝐚𝐝𝐞𝐫𝐬: I stay current by engaging with AI communities and collaborating with top developers in the field. 𝐒𝐨𝐦𝐞 𝐑𝐞𝐜𝐞𝐧𝐭 𝐏𝐫𝐨𝐣𝐞𝐜𝐭𝐬: 𝐌𝐚𝐫𝐤𝐞𝐭𝐢𝐧𝐠 𝐀𝐈: Automated research and content tools that improve campaign success. 𝐂𝐫𝐲𝐩𝐭𝐨 𝐀𝐈: Built a smart assistant for faster, data-driven crypto trading. 𝐍𝐞𝐭𝐰𝐨𝐫𝐤𝐢𝐧𝐠 𝐀𝐈: Developed agents that predict and solve network problems before they happen. 𝐇𝐞𝐚𝐥𝐭𝐡𝐜𝐚𝐫𝐞 𝐀𝐈: Created a tool that records patient conversations and converts them into useful medical notes. 𝐂𝐨𝐧𝐬𝐭𝐫𝐮𝐜𝐭𝐢𝐨𝐧 𝐀𝐈: Designed software to extract detailed data from complex building documents. 𝐖𝐡𝐚𝐭 𝐰𝐞 𝐚𝐫𝐞 𝐆𝐨𝐨𝐝 𝐚𝐭? ✅ You want AI solutions that quickly show clear business improvements. ✅ Your company leadership wants AI to improve operations, not just experiments. ✅ You are ready to invest in AI technology that grows with your business. ✅ You want to unlock the value of your data through smart automation. 𝐖𝐡𝐞𝐧 𝐈𝐭 𝐌𝐢𝐠𝐡𝐭 𝐍𝐨𝐭 𝐖𝐨𝐫𝐤: ❌ You are only focused on the cheapest option, ignoring long-term benefits. ❌ You expect instant AI magic without understanding its current limits. ❌ You are looking for a short-term gig, not a committed AI partner. ❌ You don’t want to work with Python, the main language for AI development. Ready to make AI work for your business? Let’s talk about building smart, scalable AI systems that solve real challenges. Reach out anytime.

PostgreSQL Administration

AI Agent Development

AI Chatbot

Mobile App Development

Flutter

OpenAI API

PostgreSQL

MongoDB

Full-Stack Development

JavaScript

TypeScript

Next.js

Django

Python

Node.js

React

5.0/5
(12 jobs)

🚀 Turning Complex Business Challenges into Technical Solutions With 5+ years of engineering experience across health, ecommerce, fintech, and social media platforms, I blend expert full-stack development with advanced AI/ML capabilities to deliver solutions that drive measurable business outcomes. I've helped companies reduce operational costs by up to 30% and increase revenue by as much as 25% through strategic technical implementations. 🔍 Why Work With Me? ✅ End-to-End Technical Expertise - From building responsive frontends with React/Next.js to developing scalable backends with Node.js and TypeScript. I design complete ecosystems that grow with your business. ✅ AI & LLM Integration Specialist - Custom AI solutions using GPT-4, Claude, Llama, and Mistral models that transform raw data into actionable business intelligence. ✅ Performance-Optimized Development - Deployment expertise across GPUs, TPUs, NPUs and edge devices for maximum efficiency and scalability. ✅ Secure & Reliable Implementation - Advanced content moderation guardrails, user authentication systems, and optimized performance at every level. 💼 Technical Toolkit Frontend: React, Next.js, Gatsby, Redux, JavaScript, TypeScript, Flutter Backend: Node.js, Firebase, Supabase, AWS Amplify Data & AI: GPT-4, Claude, Llama, Mistral, predictive analytics, personalization engines DevOps: AWS, Heroku, Digital Ocean, serverless architectures Payment: Stripe, PayPal integrations with security best practices 🔄 My Collaborative Process Discovery - Deep understanding of your business challenges and objectives Solution Design - Tailored architecture planning with scalability in mind Agile Implementation - Rapid development with regular feedback cycles Testing & Optimization - Thorough QA to ensure robust performance Deployment & Support - Smooth transitions with ongoing maintenance options 📊 Recent Success Stories • Built a SaaS platform for restaurateurs enabling contactless ordering and multi-channel management, reducing operational overhead by 20% • Developed an eCommerce procurement system for retailers with React and Firebase, streamlining supplier management and operational workflows • Created custom fintech B2B platforms with secure payment processing and transaction management 📱 Communications & Availability • Available for meetings in your time zone with 24-hour response time • Clear, regular updates through your preferred communication channels • Focus on transparency and accountability throughout our partnership Ready to transform your technical challenges into business advantages? Let's discuss how I can help you achieve your goals with the right technology solutions.

PostgreSQL Administration

TypeScript

React

MySQL

Firebase Cloud Firestore

Redux

Gatsby.js

PostgreSQL

NoSQL Database

RESTful API

AWS Lambda

API

CSS

MongoDB

JavaScript

Node.js

5.0/5
(4 jobs)

I am Muhammad Gulraiz a data Engineer and working in this industry for 4 years. I am always ready to meet new people and learn new things. Create CLOUD data pipelines that can handle massive amounts of data coming from various sources. Work as the technical lead on Data Engineering projects; primary responsibilities as a Lead ETL and Data Warehouse Consultant included technical architecture and design solutions, management of onshore and offshore development teams, creation and execution of test plans, and ensuring the timely completion of technical tasks. Comprehensive and in-depth understanding of business processes, data, and systems; experience in these areas; and expertise in these areas; strong ability to convert business needs into the best possible technical solutions. Expertise: Data Integration Tools: Pentaho Data Integration Database: AWS redshift, Google Bigquery, GCP, Snowflake & PostgreSQL. ETL/Streaming: ETL/ELT pipeline, Python, DBT, Glue, Databricks, Lambda, PLSQL, Apache Kafka, RabbitMQ BI: PowerBI, Tableau Programming Languages: Python, Pyspark, C++, Java CLOUD: AWS, Azure, Google Cloud Automation : Airflow, Airbyte

PostgreSQL Administration

Amazon Web Services

Data Warehousing & ETL Software

AWS Lambda

Data Visualization

PostgreSQL

Web Scraping

Amazon API Gateway

Statistics

Snowflake

Apache Airflow

Data Science

Python

ETL Pipeline

Machine Learning

Data Engineering

4.9/5
(60 jobs)

Are you looking to develop a robust, scalable SaaS or custom software solution? You’re in the right place. With over five years of industry experience, I specialize in creating reliable, efficient, and user-friendly software. Our Partnership Works Best If: 🤝 You have an exciting idea and need a development partner who genuinely understands your goals. 🤝 You want to create a custom web or mobile app that addresses a specific industry challenge. 🤝 You need to add critical features to your product in time for the next funding round. 🤝 You’re using an off-the-shelf solution that lacks flexibility—now, you’re ready to build something proprietary that fully meets your needs. 🤝 You’re dealing with unreliable partners, poor quality, hidden costs, or a lack of transparency and are looking for a trusted partner who delivers. Why Work With Me? ✅ Offering end-to-end development using modern technologies like React, TypeScript, Node.js, Nest.js, AWS, Docker, and more. ✅ Clean and scalable code, prioritizing best practices and on-time delivery. ✅ Top Notch communication - validated by repeated positive feedback ✅ A clear "NO" if your request is not doable in the expected time or is out of our skill set. ✅ Agile & Collaborative: Experienced in cross-functional teams, following Agile methodologies to ensure flexibility and adaptability. What My Clients Say: 🚀 "Haseeb is one of the best freelancers I've ever worked with. His skills and availability are perfect. Looking forward to working with him again in the future." My Tech Stack: Frontend: React.js, Next.js (TypeScript) Backend: Node.js, Express.js, Hasura GraphQL, PostgreSQL, MongoDB Cloud/DevOps: GitHub Actions, AWS (Lambda, EC2, S3, CloudFormation, and more) ⭐️ Ready to Start? Let’s discuss how I can bring your vision to life—I'm excited to help you succeed!

PostgreSQL Administration

PostgreSQL

Amazon Web Services

Node.js

React

Software Development

Serverless Computing

Database Development

AI Development

CI/CD

Cloud Engineering

API Testing

API Development

Back-End Development

Full-Stack Development

Web Development

5.0/5
(9 jobs)

With over 10 years of professional experience, I am dedicated to delivering comprehensive web and mobile development solutions tailored to your business needs. Whether you need a custom POS system, a scalable CRM or ERP, or cutting-edge AI-powered solutions, I am here to turn your vision into reality. What I Bring to the Table I specialize in developing secure, scalable, and user-friendly applications using modern frameworks and tools. My expertise spans: POS Development: Custom Point-of-Sale systems integrated with inventory management, payment gateways (Stripe, PayPal, Adyen), and advanced reporting tools. Web Development: Creating responsive, high-performance websites using React.js, Next.js, Laravel, and .NET Core. App Development: Engaging cross-platform mobile apps with Flutter and React Native, including real-time notifications, Firebase, and other advanced features. CRM & CMS Solutions: Design and development of customer relationship and content management systems to enhance productivity and streamline workflows. ERP Development: Scalable Enterprise Resource Planning systems for businesses of all sizes, integrating with your existing platforms and processes. AI-Powered Solutions: Leveraging machine learning and AI technologies (Python, TensorFlow) to build intelligent, data-driven systems. IOT Tools AI API Integrations Technologies & Tools Front-End: React.js, AngularJS, Next.js, TypeScript Back-End: Node.js, PHP, Laravel, .NET Core, Python Database Management: PostgreSQL, MySQL, MSSQL, Firebase Mobile Development: Flutter, React Native Cloud & DevOps: AWS, GCP, Docker, Kubernetes, Linux Server Administration AI & Machine Learning: Python, TensorFlow, and data analytics tools Why Choose Me? End-to-End Expertise: From UI/UX design to back-end development and DevOps, I deliver complete solutions tailored to your needs. Proven Track Record: Successfully completed numerous projects in POS, CRM, ERP, CMS, AI, and eCommerce systems with high client satisfaction. Business Scalability: My solutions are designed to grow with your business, no matter the size or industry. Agile Development: I implement agile methodologies to ensure timely delivery and optimal results. Comprehensive Skillset ✔ POS, CRM, CMS, ERP Development ✔ AI-Powered Applications ✔ Web Development (React.js, Next.js, Laravel, .NET Core) ✔ Mobile App Development (Flutter, React Native) ✔ DevOps & Cloud Expertise (CI/CD, Docker, AWS, GCP) ✔ Payment Gateway Integration (Stripe, PayPal, Adyen) ✔ UI/UX Prototyping & Design ✔ Project Management & Agile Development Whether you're launching a POS system, Android, IOS application, website, an AI-powered or IOT platform, or a custom CRM solution, I’m here to help you create robust, scalable, and user-friendly applications. Contact me today to bring your ideas to life and elevate your business!

PostgreSQL Administration

React

Tailwind CSS

TypeScript

PostgreSQL

DevOps

AngularJS

React Native

.NET Core

Next.js

JavaScript

ASP.NET Web API

Docker

RESTful API

ASP.NET

Node.js

4.9/5
(81 jobs)

I bring over five years of expertise as a Retool Developer, having actively contributed to Retool development since 2019. Over this period, I've crafted over 1200+ Retool applications for clients globally. As a seasoned software engineer proficient in Ruby on Rails, I specialize in delivering low-code and no-code development solutions. As an early adopter of Retool, having joined the Retool in its inception year of 2018, I've been immersed in Retool since 2019. My proficiency lies in leveraging Retool components to swiftly and effectively create high-quality retool, consistently meeting retool project deadlines, and staying within budget constraints. Technical Skills: Retool Javascript Python Professional Skill: Retool Agile Development Retool Database Architecture Design Retool UI/UX Design Retool Data Analysis Retool Data Engineering **How to find us** Retool Developer Retool Development Retool Application Developer Retool Expert Developer Retool Mobile Apps **Agency Details** Retool Pro is the agency to provides Retool solutions to startups, growth businesses, and enterprises. Please feel free to start a contract for bigger projects. **Wanna Schedule a Meeting** I love to listen to my client's requirements in detail and understand their business module before starting the job to deliver excellence. Please feel free to talk in person to resolve business problems to intellectual solutions. I am ready to provide solutions. Are you ready to give me problems? Regards, Salman Maqbool Your Trusted Retool Expert

PostgreSQL Administration

No-Code Website

No-Code Landing Page

Low-Code Development

No-Code Development

ChatGPT

JSON

SQL

MongoDB

PostgreSQL

API

Data Visualization

JavaScript

Data Analysis

Firebase

Database

5.0/5
(69 jobs)

Here are feedbacks from my previous clients: "Direct Quote from FAANG measurement manager who worked with Hamza for over 1.5 years: "I had the privilege of working alongside Hamza in his role as a Senior Cloud & Back End Engineer. Hamza's comprehensive understanding of computer science, architectural and design patterns, and cloud technologies played a pivotal role in the success of our initiatives. His acumen in developing and implementing robust, scalable solutions was apparent in our marketing campaign planner. His expertise in Python, Javascript, and his adept use of databases like PostgreSQL and Firebase made him an integral part of our team. Hamza's proficiency in leveraging Google Cloud Platform was instrumental in enhancing our project's performance. He skillfully increased our systems' efficiency by utilising GCP MemoryStore, and his efficient handling of background tasks using Cloud Run and Cloud Scheduler was truly commendable. His pragmatic approach to backend development and extensive knowledge of API design and web security significantly contributed to the stability and performance of our software. Hamza's ability to balance his advanced technical skills with excellent communication abilities set him apart. His commitment to the team, made him a reliable team player. His dedication extended to meticulously reviewing the code developed by others, and his feedback invariably improved our productivity and work quality. I confidently recommend Hamza for any role requiring expertise in cloud and backend engineering. His potent combination of cloud and backend skills, coupled with his professional dedication, will undeniably be an asset to any team fortunate enough to have him"" --- "A really professional Dev Ops expert. Hamza is highly organised and very responsive. Managed to get a really tricky Google Cloud job done for me with a minimum of fuss. Definitely recommended, great work 10/10, thanks." --- "Did a great job - 10/10. One of the most thoroughly organised and responsive freelancers I have worked with. Did an excellent job in every area. This job was for a tough Google Cloud Dev Ops job based on a Strapi installation. He solved all the problems properly and communicated clearly and efficiently throughout the entire job. Overall very happy with the result and definitely wouldn't hesitate to recommend. Excellent work." --- "Hamza is AMAZING. He is so quick at the tasks because he is so experienced in python. We already have multiple jobs lined up for him on our project. He is going to be our python wizard! He is also very easy / kind to work with. Highly recommended." ---------- For several years, I have focused on deploying web applications and big data pipelines on Google Cloud Platform, utilizing its services such as Google App Engine, Cloud Run, Cloud Functions, Google Compute Engine, BigQuery, Dataflow. Load Balancer, Cloud CDN and Cloud Armor. My expertise lies in programming Python web and data applications, primarily using Django, Flask, FastAPI, and Webapp2 frameworks. Additionally, I have knowledge of other web technologies such as React JS, HTML, CSS, and JavaScript. I am always open to new challenges and problems, continually enhancing my skills and knowledge across various areas. I also have experience with web scraping for e-shops and real estate websites using tools like Scrapy, Playwright, Selenium, and BeautifulSoup.

PostgreSQL Administration

Amazon S3

Load Balancing

Google App Engine

Cloud Run

AWS Lambda

Node.js

AWS Development

DevOps

MongoDB

Google Cloud Platform

React

Django

PostgreSQL

ETL Pipeline

Python

5.0/5
(4 jobs)

Professional Summary * 9+ years of experience having a sound history in design & development, team management, and programming in java related tools and technologies * I have 1.5 years of hands-on experience in AWS-native application development, utilizing services like EC2, S3, RDS, SQS, SNS, DynamoDB, Step Functions, Lambda, AppSync, and API Gateway to create cloud-native solutions. * Extensive knowledge of OSGI framework, services-oriented architecture, Spring, Spring Boot, Hibernate and Core JAVA * Review user requirements, tech design, team management, and sprint planning by breaking epic JIRA into smaller stories and tasks. * Experience in delivering a project using Agile Methodology. * Develops custom OSGI Bundles, Services using service-oriented architecture. * Design Restful web services and implemented Spring Boot Microservices. * Actively participate in code reviews and maintain code quality using professional tools * Experience working in Scrum methodology and tools (JIRA, Bitbucket, Confluence, etc) * Worked closely with product managers and business partners to understand software requirements

PostgreSQL Administration

Bitbucket

OSGi

PostgreSQL

Git

MySQL

CentOS

Jira

AWS Lambda

Amazon DynamoDB

AWS CloudFormation

AWS AppSync

AWS Amplify

Amazon S3

Amazon EC2

Amazon Web Services

Hibernate

Microservice

JUnit

Java

Docker

Spring Boot

Agile Software Development

5.0/5
(11 jobs)

My drive for innovation has led me to explore groundbreaking technologies such as ChatGPT, Generative AI, Cloud Formation, Chat Bot, Python, Django, FastAPI, and ETL. I bring this passion and expertise to every project, delivering exceptional results each time. With over 5 years of Full-Stack Development experience, I have contributed to the development of 60+ web app projects, working on both the front-end and back-end. - Developed cloud infrastructure for distributed systems on Oracle/AWS/Azure Cloud Infrastructures - Handled multiple compartments with instances running Dockerized container images - Multiple Instances interacting with shared volume blocks for read/write operations - Created multi-tenant architectures using single database multiple schema architecture - Utilized NGINX as the reverse proxy servers and Gunicon for simple HTTPS requests and Daphne for managing socket connections efficiently - Integrated Stripe Payment Gateway's "Managed Accounts" service for a multi-vendor systems My technical expertise include: ☑️ Back-end: Django / Django Rest / Flask / Serverless ☑️ Database: DynamoDB / PostgreSQL / MySQL / MongoDB ☑️ Cloud: AWS / Oracle / Google Cloud Plateform / Heroku /Digital Ocean / Netlify ☑️ Server: Nginx / Gunicorn / Apache / Daphne ☑️ Amazon Web Services: EC2, ECS, EBS, Amplify, SNS, SQS, S3, IAM, Lambda, Route 53, CloudFront, CloudFormation, RDS ☑️ Open AI, Chat GPT, Chat GPT Plugins, Generative AI ☑️ Use of development tools like BitBucket, GIT, JIRA, Asana, Trello ☑️ Front-end: React.js I have helped clients to empower their innovative ideas by building optimal software solutions to meet their business needs. I help individuals, startups and enterprise customers to fulfil their technical exigency by developing web applications. Contact me to discuss your project, looking forward to hear from you.

PostgreSQL Administration

CI/CD

MySQL

ETL Pipeline

DevOps

AWS Amplify

PostgreSQL

Web Application

Django

Python Script

Microservice

MongoDB

Flask

Python

Scrapy

pandas

4.9/5
(58 jobs)

Scalable Backend Systems | Cloud Solutions | AI Integration 🔹 Why Work With Me? ✅ 5+ Years of Experience – Skilled in automation, scripting, & backend. ✅ 100% Job Success – I deliver results, not just code. ✅ Simple, Clear Communication – No tech jargon, just solutions that work. ✅ Fast & Reliable – Get high-quality work, on time, every time. ✅ Prompt Responses – I reply quickly, so your project moves forward smoothly. 🔹 What I Can Do for You ➤ Data Extraction & Web Scraping – Get structured data from any website and app. ➤ API Development & API Integration – Build fast, secure APIs that power your business. ➤ Process Automation – Save time by automating tedious tasks. ➤ Cloud Deployment – Run your Python apps smoothly on the cloud. ➤ Bot Development – Automate social media, e-commerce, and other processes. 💬 Let’s chat—send me a message. 🔹 Technical Skills ● Programming: Python (Django, Flask, FastAPI), JavaScript (Node.js, jQuery, TypeScript), HTML, PHP, Bash. ● Backend & API Development: RESTful & GraphQL APIs, microservices, event-driven architecture, OAuth2, JWT, WebSockets, asyncio-based concurrency, Python scripting, JSON, Linux. ● Databases: Relational (PostgreSQL, MySQL – optimization, indexing) & NoSQL (MongoDB), query optimization, schema design. ● Cloud & DevOps: Proficient in GCP, Cloudflare (security & performance), CI/CD (GitHub Actions, GitLab CI/CD); familiar with AWS (EC2, S3, Lambda, RDS) – AWS Certified (In Progress). ● SaaS Development: Designing and building scalable SaaS applications, ensuring high availability, low latency, and consistent performance. ● Automation & AI: AI-powered automation, large-scale web scraping, anti-bot bypassing, and third-party AI API integration (Selenium, Playwright, Scrapy, BeautifulSoup, Frida, Burp Suite). ● Testing & Debugging: Manual testing (methods & tools), performance optimization. ● Security Analysis & Reverse Engineering: Web/API security (XSS, CSRF, SQLi), penetration testing, and reverse engineering with Frida, JADX, x64dbg, and Ghidra. ● Frontend Development: React.js, Bootstrap — API integration and basic UI enhancements. ● Object-Oriented Programming (OOP): Modular architecture, encapsulation, inheritance, polymorphism. ● Collaboration & Leadership: Led development teams, mentored junior engineers, and applied Agile methodologies to ensure effective cross-functional teamwork and timely project delivery. 🔹Professional Experience ⭐ Senior Python Engineer | API Development | Cloud & Automation Expert ⭐ Top Rated Freelancer — Upwork Inc. (USA) Aug 2022 – Present ● Proven Track Record: Successfully completed 57+ projects with 100% job success. ● Scalable Backend Development: Developed high-performance applications across e-commerce, healthcare, finance, and education. ● Performance Optimization: Boosted API response times by 30% through caching, query optimization, and asynchronous processing. ● Cloud & DevOps: Automated deployments, managed GCP and Cloudflare (security & performance), and optimized cloud environments. Familiar with AWS (EC2, S3, Lambda, RDS). ● Security & Monitoring: Implemented Prometheus, Grafana, and ELK Stack for enhanced monitoring and application security. ● Web Scraping & Automation: Built anti-bot web crawling pipelines and developed automation solutions for efficient data extraction using Selenium, Selenium WebDriver, and Beautiful Soup. Also worked with Android Debug Bridge, Appium, and Android automation tools. ⭐ Python Developer (Junior → Mid-Level) | API & Automation Engineer ⭐ ABL Tech Solutions & Freelance Projects (Self-Employed) Feb 2020 - Aug 2022 | 2 years 7 months ● Projects: Built and optimized backend APIs, automated workflows, and implemented database optimization strategies. Contributed to cloud deployment processes, ensuring seamless integration and scalability in a fast-paced environment. 🔹 Ready to Automate & Optimize? 📩 Message me now – I reply promptly!

PostgreSQL Administration

Reverse Engineering

PostgreSQL

CI/CD

Cloud Development

Selenium

Automation

Web Scraping

OAuth

GraphQL

RESTful API

API Development

Flask

FastAPI

Django

Python

5.0/5
(12 jobs)

Hello! I'm Muhammad Shaheer, a seasoned Full-Stack Web Developer with over 4.5 years of in-depth experience. I specialize in creating robust, high-quality web solutions using technologies like React, JavaScript, Redux.js, HTML5, CSS3, and Node.js. My technical proficiency extends to Python, Django, and Ruby on Rails, ensuring versatile backend solutions. Throughout my career, I've delivered exceptional results for renowned clients, including impactful projects at JP Morgan Chase and a revolutionary web application for Unilever's safety audits. My expertise in developing front-end interfaces and back-end systems has consistently led to improved business outcomes, user engagement, and customer satisfaction. At Nitrobot.io, a company I founded, I spearheaded the development of NitroBot, an AI-powered chatbot that enhances customer service and streamlines appointment bookings. This innovation has driven significant increases in customer interaction and lead generation, showcasing my ability to leverage technology to solve practical business challenges. I am also passionate about mentoring and have guided junior developers at Microverse, enhancing their skills and significantly reducing coding errors through effective coding practices and reviews. Seeking to bring my expertise to your projects, I am ready to engage within one week and can align with PST or EST for four hours daily, ensuring smooth collaboration. Let's connect to discuss how I can bring your web development needs to life with cutting-edge solutions tailored to your requirements. Key Skills: React | JavaScript | Redux.js | HTML5 | CSS3 | Node.js | Python | Django | Ruby on Rails | AI Chatbots | Web Application Development | Data Integration Certifications: Meta Frontend Development, Full Stack Web Development (Microverse) Join me in transforming your digital landscape into innovative web solutions that deliver results ✨ Let's Chat! ✨ Ready to take your business to the next level? Let's have a conversation about your automation dreams and how I can turn them into a reality. 🌟 Contact me today, and together, we'll create a future where automation sets you apart from the competition! 💼🌐

PostgreSQL Administration

JavaScript

Tailwind UI

Chatbot

Node.js

Stripe

Next.js

React

Front-End Development

TypeScript

MongoDB

Flask

OpenAI API

PostgreSQL

Back-End Development

Django

5.0/5
(16 jobs)

🚀 I'm a full stack developer with over 7 years in web development, I specialize in building high-quality, scalable solutions across backend and frontend technologies. Skilled in Django, FastAPI, React.js, and Vue.js, I bring expertise in creating robust applications, engaging interfaces, and cross-platform mobile apps. Let’s make your project a success! 🌟 🔧 Backend Development: Proficient in Python, Django, Django Rest Framework, FastAPI, Flask, AsyncIO, Pydantic, Celery, Node.js, and Express.js, I have a proven track record of building robust server-side applications. My deep understanding of backend development ensures optimal performance and security for your projects. 🎨 Frontend Development: Experienced in React.js, Vue.js, Angular, Next.js, Nuxt.js, and Gatsby.js, I create engaging and responsive user interfaces. Utilizing CSS frameworks like Bootstrap, Tailwind CSS, Material-UI, Ant Design, and Vuetify, I enhance the visual appeal and user experience of web applications. 📱 Mobile App Development: Skilled in React Native and Flutter, I develop cross-platform mobile applications that provide a seamless experience across different devices. 💡 Low Code Development: With expertise in Bubble.io and the New Responsive Engine, I can rapidly build MVPs, dashboards, CRMs, and full-stack websites, making use of low-code platforms for quicker delivery and cost-effectiveness. 🗄️ Database Management: Experienced with PostgreSQL, MongoDB, MySQL, SQLite, Redis, Firebase, and Supabase, I design and optimize databases for reliability and performance. I am also proficient in ORMs such as SQLAlchemy, DjangoORM, Mongoose, and Prisma. ☁️ Deployment and DevOps: Proficient in AWS, Google Cloud, Digital Ocean, Heroku, and Vercel, I ensure smooth deployment and scaling of applications. My skills in Linux, Nginx, Docker, Kubernetes, GitLab CI/CD Pipeline, and GitHub Actions streamline development workflows and enhance productivity. 📋 Project Management: Using tools like Jira, Trello, GitLab, and GitHub, I manage projects efficiently, ensuring timely delivery and adherence to project requirements. 🧪 Testing: Experienced in Pytest, Unittest, Jest, React Testing Library, and Cypress, I implement comprehensive testing strategies to ensure the reliability and robustness of applications. ✨ Additional Skills: I am also adept at automation, code/database optimization, Shopify app development, API integration, web scraping, data analysis, machine learning, and AI, providing a broad range of services to meet your diverse needs. 🤝 I am committed to delivering top-quality work and am always eager to take on new challenges. Let's work together to bring your vision to life and achieve your business goals. Keywords: python, django, python developer, django developer, celery, backend developer, javascript, chatgpt, full stack developer, restful api developer, bubble, automation, python scripting, web scraping, database management, web application developer, mobile app development, react js developer, react native developer, next.js, vue.js, flutter, flutter developer, data scraping, fastapi, python web applications, postgresql, mongodb, javascript developer, react developer, bubble developer

PostgreSQL Administration

Back-End Development

Docker

TypeScript

ChatGPT

PostgreSQL

JavaScript

Web Development

Vue.js

React Native

Next.js

FastAPI

Python

Bubble.io

Celery

Django

5.0/5
(2 jobs)

I am a determined and result-oriented Senior Software Engineer with over 4 years of hands-on experience in full-stack development, problem-solving, and deep learning. My expertise spans a wide array of technologies and methodologies, making me a versatile asset for any project. I specialize in both front-end and back-end development, using modern frameworks and tools such as React JS, Next JS, Redux, Angular, Node JS, Strapi, Sequelize ORM, Express, and REST APIs. My experience with databases like PostgreSQL, MySQL, MongoDB, and Firebase ensures robust and scalable data management solutions. Frontend Skills: React JS & Next JS: Building dynamic and responsive user interfaces. Redux & Angular: State management and efficient front-end architecture. HTML/CSS, Tailwind, MUI: Crafting aesthetically pleasing and user-friendly designs. Backend Skills: Node JS & Express: Developing efficient server-side logic and APIs. Strapi & Sequelize ORM: Creating customizable and maintainable backend services. REST & GraphQL: Implementing robust data fetching solutions. Languages: JavaScript & TypeScript: Writing clean, maintainable, and efficient code. Python: Developing machine learning models using frameworks like PyTorch. C++ & PL/SQL: Implementing high-performance algorithms and database procedures. Soft Skills: Effective communication: Bridging the gap between technical and non-technical stakeholders. Team collaboration: Leading and mentoring teams to drive project success. Proactivity: Identifying and addressing potential issues before they escalate. Problem-solving: Tackling complex challenges with innovative solutions. I have a proven track record of delivering high-quality solutions that exceed client expectations. For instance, I have led the development of complex web applications, resulting in a 25% reduction in bug reports and a 40% improvement in load times. My contributions have significantly enhanced user engagement and client retention rates, showcasing my ability to drive measurable results. In addition to my technical skills, I bring a passion for continuous learning and staying updated with the latest industry trends. This eagerness to adapt and grow has consistently empowered me to deliver innovative and efficient solutions. My experience includes optimizing application performance, ensuring security compliance, and implementing CI/CD pipelines to streamline deployments. As a freelancer, I am committed to helping clients achieve their goals by delivering tailored solutions that meet their unique needs. Whether you need a new application built from scratch, an existing system enhanced, or complex data analyzed, I am here to help. Let's collaborate to turn your ideas into reality and drive your projects to success.

PostgreSQL Administration

Deep Learning

Angular

Firebase

MongoDB

MySQL

PostgreSQL

Tailwind CSS

Sequelize

RESTful API

Node.js

JavaScript

Strapi

Redux

Next.js

React

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