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Clients rate PostgreSQL developers & DBAs
Rating is 4.6 out of 5.
4.6/5
based on 1,961 client reviews
  • $50 hourly
    • 5.0/5
    • (2 jobs)
    I am a full stack engineer with over 5 years of experience in Typescript and JavaScript. My expertise lies in frontend development, where I have worked extensively with React, Next.js, and React Native. On the backend, I am proficient in technologies such as Node.js and Nest.js. I also have experience working with databases like PostgreSQL and MongoDB. Throughout my career, I have worked on SAAS projects in various business domains. I have a strong understanding of the software development life cycle and Agile methodology. I offer a wide range of web and app development services and have successfully delivered projects using Typescript. My skills and Tech stack: ✏ Programming:- TypeScript, JavaScript, Node.js, Python, SQL ✏ AI/ML Development:- LangChain, LangGraph, Vector Databases, Knowledge Graphs, Neo4j, Claude API, OpenAI API, AWS Bedrock, Google Document AI ✏ Databases & Infrastructure:- PostgreSQL, MongoDB, DynamoDB, ElasticSearch ✏ Framework & Libraries:- React, React Native, Next.js, TailwindCSS, TipTap, Prosemirror ✏ Cloud & Analytics:- AWS, Google Looker, Docker ✏ Integration & Tools:- Prismatic, GraphQL, Git, Jest, Vitest, Cucumber, Playwright ✏ Professional Skills:- Technical Leadership, System Architecture, Agile Management I am adaptable to project demands and shifting priorities. I thrive on challenging tasks that allow me to learn and gain exposure to new ideas and experiences. I am always open and eager to learn new technologies. Thank you, and I look forward to the opportunity to work with you.
    Featured Skill PostgreSQL Administration
    Adobe Photoshop
    Websockets
    Firebase
    NestJS
    Material UI
    Tailwind CSS
    Node.js
    Next.js
    React
    React Native
    MongoDB
    PostgreSQL
    TypeScript
    HTML5
    JavaScript
    CSS 3
  • $36 hourly
    • 5.0/5
    • (4 jobs)
    I'm Gopal, an 𝐄𝐱𝐩𝐞𝐫𝐭-𝐕𝐞𝐭𝐭𝐞𝐝 Java, Spring Specialist deeply passionate about creating production-ready backend systems. My expertise extends to developing intricate web applications with Java, Spring Boot, cloud technologies, PostgreSQL, CI/CD pipelines, and other advanced tools. Over my 7+ years in the field, I’ve consistently delivered high-performance solutions for top-tier companies and innovative startups.🚀🌟 👜 𝐏𝐫𝐨𝐟𝐞𝐬𝐬𝐢𝐨𝐧𝐚𝐥 𝐒𝐮𝐦𝐦𝐚𝐫𝐲: 📖 Drawing from my involvement in over 20 projects, I offer specialized skills in designing, building, and deploying resilient full-stack solutions. ⚙️My expertise extends beyond technical proficiency—I excel in navigating various Software Development Lifecycles (including Agile, Spiral, and Waterfall), implementing design patterns, conducting thorough code reviews, and 🤝 promoting collaborative teamwork 🚀 𝐊𝐞𝐲 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬/𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬: ✔ Microservices Architecture ✔ Java 8, 17, 21 ✔ Spring Boot, Spring Cloud, Spring Webflux, Spring Security ✔ JPA, Hibernate ✔ Kubernates ✔ PostgreSQL, MySQL, MongoDB ✔ React, Node, Express ✔ Elasticsearch ✔ Maven, Gradle ✔ WebSocket ✔ Docker ✔ Git, Jira, Bitbucket ✔ Sentry ✔ JUnit, Mockito, Wiremock ✔ JWT, OAuth2 ✔ CI/CD: Github Actions, GitLab CI ✔ Swagger ✔ AWS, GCP, Azure, Digitalocean ✔ Github CoPilot ✔ Expert in Data structures and Algorithms ✔ AWS, Azure, Google Cloud & DigitalOcean cloud services 🚀 𝐎𝐭𝐡𝐞𝐫 𝐞𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 ✔ RPA (Robotic Processing Automation) ✔ Selenium ✔ Process analysis and feasibility check ✔ Chrome Debugger tool ✔ Website reverse engineering ✔ Workflow automation using RPA 👨‍💻 𝐖𝐡𝐲 𝐜𝐡𝐨𝐨𝐬𝐞 𝐦𝐞? I prioritize delivering high-quality work, ensuring customer satisfaction, and meeting deadlines without compromising on the quality of work. My strong analytical and problem-solving skills enable me to maintain effective communication with clients, providing regular updates and fostering a collaborative and transparent work environment. My prime goal is to work on long term opportunities so that I can bring maximum values to my clients.
    Featured Skill PostgreSQL Administration
    Node.js
    React
    Kubernetes
    Amazon Web Services
    Spring Framework
    RESTful API
    Docker
    MySQL
    MongoDB
    NGINX
    Java
    Hibernate
    PostgreSQL
    Apache Kafka
    Spring Boot
  • $40 hourly
    • 5.0/5
    • (53 jobs)
    I am an experienced IT Engineer specializing in Python and Odoo ERP development, with over 8 years of hands-on expertise. My journey with Odoo began with version 7, and I have worked extensively on every version up to the latest. My deep knowledge and practical skills enable me to customize and optimize Odoo ERPs to meet the unique needs of each client. Services I Offer: 1. Odoo ERP Customization: Expertise in customizing Odoo modules for sales, purchase, inventory, accounting, and manufacturing. 2. API Integrations: Developing and integrating APIs based on specific client requirements. 3. Process Optimization: Enhancing the performance and speed of your Odoo processes. For example, optimizing PDF reports to be generated twice as fast. 4. Python Flask API Development: Creating robust and scalable APIs using Python Flask. 5. PostgreSQL Database Management: Ensuring efficient and reliable database solutions. 6. Mobile Application Development: Leading provider of integrated Odoo mobile app development, with our flagship product OCM showcased at OCM (Odoo Community Mobile App) Special Skills: 1. Ubuntu Server Management and Security: Ensuring robust and secure server environments for optimal performance. 2. Odoo Backend Speed Optimization: Specializing in accelerating Odoo's backend, particularly for report generation in PDF and Excel formats. 3. Integrated Mobile App Development: Pioneering the development of mobile applications that seamlessly integrate with Odoo ERP systems. Discover Our Work: Explore our innovative Odoo mobile apps at OCM (Odoo Community Mobile App). Check out our cutting-edge Odoo apps at Odoo Apps.
    Featured Skill PostgreSQL Administration
    PostgreSQL
    API Integration
    Enterprise Resource Planning
    Python
    Odoo
    Odoo Development
  • $35 hourly
    • 4.8/5
    • (69 jobs)
    My name is Ronak, and I am the founder of Retoolers.io, a hub of 15 unapologetically enthusiastic, passionated Retool Engineers. We pride ourself in being experts in Business Understanding, and building Business Softwares. We make dashboards, admin panels, analytical tools and portals. We have made 1500+ apps/workflows which fulfill demands of 100+ companies in last 4 years, helping them scale from thousand to million dollar companies. If you are looking for simplifying your business operations just reach us out. As someone deeply invested in the intersection of technology and business, I understand the critical importance of optimizing operations in a fast-paced, ever-changing market. It’s this mindset that has driven my career and led me to build Retoolers.io. At Retoolers.io, we are a dedicated team of enthusiastic software developers, passionate about using technology to solve real-world business problems. We specialize in leveraging LowCode platforms like Retool.com to help businesses automate, simplify, and scale their internal processes. By building customized, intuitive solutions, we enable businesses to make better decisions, increase efficiency, and unlock new growth opportunities. Since 2024, our team has worked with a range of clients, from Online Sellers and Traders to Venture Capitalist firms and E-commerce platforms. We’re particularly skilled at collaborating with Entrepreneurs, CEOs, Directors, and Founders, providing tailored software solutions that directly align with their operational needs. Whether it’s improving workflow management, enhancing data visualization, or automating reporting, we focus on delivering high-value results with quick turnaround times. Our approach isn’t just about providing tools, it’s about partnership. We dive deep into your business, understanding your specific challenges, and then develop a solution that fits seamlessly into your existing operations. The result? More streamlined, data-driven operations that free up your time to focus on strategy, growth, and innovation. If you’re ready to take your operations to the next level, reach out to me via the link in my profile or through our website. Let’s transform your business with the power of LowCode and unlock your full potential.
    Featured Skill PostgreSQL Administration
    API Integration
    Data Analytics
    Low-Code Development
    Business Operations
    Operations Analytics
    Supabase
    MongoDB
    Firebase
    Snowflake
    PostgreSQL
    ERP Software
    CRM Development
    Analytics Dashboard
    Dashboard
    Business Applications Development
  • $34 hourly
    • 5.0/5
    • (25 jobs)
    👋 Hello! I am a highly experienced Ruby on Rails / JS full-stack developer with a strong focus on writing clean and efficient code. With over 10 years of experience, I bring a wealth of expertise to the table. If you are searching for an expert who perfectly matches my skill set, look no further. I am here to provide comprehensive solutions tailored to your specific workflow needs and help you integrate them with the latest technologies to boost your business productivity. I am a full stack developer with skills in Ruby, Ruby on Rails, JavaScript, ReactJS, VueJS, and NodeJS; I build web features and relevant products for businesses. In the past 7 years, I have acquired teamwork, problem-solving, and exceptional communication skills from coding with full-stack development colleagues around the world. I primarily work with the following languages and applications: ✅ HTML, CSS ✅ Ruby, Ruby on Rails, NodeJS ✅ JavaScript, ReactJS, VueJS, Jest Testing ✅ TDD with Rspec, Deployment using Heroku and Netlify ✅ Github and Gitlab with Gitflow ✅ REST and APIs As a creative developer, I am motivated by the rigorous, logical, thought processes combining software development with imagination and expression. Additionally, I have extensive experience in upgrading RoR in an existing application; testing and ensuring all existing functions work after the upgrade. My ability to review and understand existing code, and propose refactoring and CI/CD, enables me to accept any challenge; and I thrive on contributing to strong team chemistry. In my free time, I enjoy reading and creative writing, particularly short fiction. I also greatly enjoy video games, game design, and development. I am eager to explore exciting full-stack development opportunities in startups as well as established companies that think I am a good match for current roles. Please reach out to me if you are seeking a passionate and capable web dev team member. Thank you! You can find my GitHub profile at github.com/ronakabhattrz. I am currently available on Upwork, offering my expertise in full-stack web development to clients seeking reliable and high-quality solutions. ✅ Ruby/ Ruby on Rails v4 - v7.1 ✅ HTML, CSS, SASS, JS, jQuery, React JS ✅ DB: PostgreSQL, MySQL, MongoDB ✅ DevOps: AWS, Heroku, GCP - Web server, ✅ Payment Gateway: Stripe, Paypal, ✅ Tools: Slack, Jira, Github, Bitbucket, Monday.com, Trello, Sentry, Honeybadger, New Relic, Rollbar ✅ APIs: Gmail, Google Maps, YouTube, Cloudflare, IG, FB, Stripe, Shopify ✅ Others: Redis, email service integration, Linux/MacOS, Bootstrap, Event Store, Websocket, Elasticsearch, Sidekiq, Spree, email-warmup
    Featured Skill PostgreSQL Administration
    GraphQL
    Material UI
    Ruby on Rails
    Amazon Web Services
    TypeScript
    JavaScript
    Next.js
    Docker
    Ruby
    WordPress
    Web Application
    MySQL Programming
    Heroku
    PostgreSQL
    React
  • $40 hourly
    • 5.0/5
    • (81 jobs)
    ✅ TOP RATED PLUS | 2000++ Billing Hours ✅ Certified Full Stack Developer| MERN and MEAN Stack Expert ✅ Open Source Contributor in Repositories like Kubernetes, Meshery.io etc ✅ 7+ years of experience in Web Design And Development. ✅ Among Top 3% of Best Full Stack Developers on Upwork. Capable of handling complex and large Enterprise Level Projects 🔥Expertise - Full Stack Web Development and Design using FIGMA, Reactjs and React Native, Nodejs and Django🔥 I specialise in Software Development with skills that are needed in the Back-end as well as in the Front-end. Recommendation from client- 🔥🔥🔥🔥🔥Quality of work is top of the line and he is really great to work with :) Recommend to all A++ My Specialities:- ✅Web Technologies : HTML5, Java Script, Bootstrap, JQuery, Ajax, Json, CSS ✅Programming Languages - PHP, Java, PYTHON, Spring, Hibernate, Maven, JDBC,SQL, Servlet, JSP, JSTL,JSF,JDBC, C. ✅Frameworks - Angular, Spring, Django, ReactJs, ReactNative, Nodejs ✅RDBMS/NoSQL: Mongo DB, MySql, PostgreSql ✅Graph Database- Neo4J ✅Caching - Redis , JVM Cache, ✅API's - REST ✅Web Servers - Apache Tomcat, NGINX ✅OS Environment - Unix/Linux/Windows ✅Devops - Git/Jenkins ✅IDEs - IntelliJ, Eclipse ✅Web Scraping - Jsoup, BeautifulSoup, Scrapy Currently working as a Full Stack Developer and related technologies for building applications like Web Applications, Search Engine, Marketing Automation, Payment portals, and messaging applications for both P2P and server based communication. I always try my best to meet the client's requirement and to attain their satisfaction by providing deliverables to them adhering to the timelines, keeping up the quality and I do believe in long term relationship with my clients. I am seeking opportunities to build platforms from the ground up for you or your business I look forward towards making strong business connection with my clients on Upwork.
    Featured Skill PostgreSQL Administration
    MEAN Stack
    React
    Bubble.io
    Front-End Development
    iOS
    Angular
    LAMP Stack
    Odoo
    MERN Stack
    PostgreSQL
    NodeJS Framework
    Django
    MySQL
    Ecommerce Development Consultation
    Web Development
  • $37 hourly
    • 5.0/5
    • (4 jobs)
    💼 Upwork Top Rated Developer | 100% Job Success Score 🎯 Microsoft Certified | Angular & .NET Expert | Scalable Web & Mobile Solutions 👉 Building Scalable Web & Mobile Applications 👈 I’m a Top Rated Full-Stack Developer on Upwork with a 100% Job Success Score, a Microsoft Certified Professional & Specialist Developer, and 7+ years of proven experience delivering high-performance, scalable, and intuitive web and mobile applications. Specializing in Angular, .NET Core, Ionic, and modern UI/UX design, I’ve helped businesses transform their digital presence — from lean startups to enterprise-grade systems. 💡 What I Bring to the Table ✔ Angular (5-19+) for dynamic, responsive, and modular front-end applications. ✔ Expertise in Angular version upgrades — seamless migration of legacy Angular projects (v2+) to the latest stable versions with minimal downtime and modern best practices. ✔ Figma Mockup designs to Exact HTML Responsive Conversion. ✔ .NET Core (2-9+) for scalable, secure back-end systems. ✔ SQL Server and PostgreSQL with advanced database optimization for high-performance applications. ✔ Entity Framework & ORMs for efficient database handling. ✔ SignalR for real-time data communication. ✔ Firebase for backend services and seamless integrations. ✔ Angular Material for modern, responsive UI components. ✔ Ionic Framework for hybrid mobile applications. ✔ Flutter and native app development for Android and iOS platforms. ✔ Advanced app deployment and optimization for Google Play and Apple Store. ✔ Creating user-centric UI/UX designs using Figma for responsive, interactive interfaces. ✔ SEO expertise for enhanced search visibility. ✔ ASO (App Store Optimization) to boost app visibility, rankings, and downloads. ✔ Microservices-based and MVVM architectures for scalable web and mobile solutions. ✔ Third-party API integrations (Stripe, PayPal, SMS/payment gateways). ✔ HL7 FHIR API integrations for sharing and exchanging electronic health records (EHR) between healthcare systems. 🙌 Why Clients Choose Me ✔ End-to-End Solutions: From project architecture to deployment, I handle every phase with precision. ✔ Tailored Approach: Projects are customized to meet your unique vision and objectives. ✔ Top-Quality Standards: I deliver optimized, secure, and scalable solutions built for long-term success. 🏆 Certifications & Achievements ✔ Upwork Top Rated Developer | 100% Job Success Score. ✔ Microsoft Certified Specialist & Professional. ✔ Google Play Academy Store Listing Certified. ✔ Google Cloud Certified in Flutter Development. ✔ Google Analytics Certified. 🚀 Let’s Build Something Great Together! Whether you need a robust web platform, a hybrid mobile app, or a complete redesign of your digital presence, I bring the skills and experience to make your project a success. 👉 Reach out today to discuss your vision! 👈
    Featured Skill PostgreSQL Administration
    Kendo UI
    PostgreSQL
    Bootstrap
    Angular Material
    Web Application
    CSS
    SCSS
    JavaScript
    HTML5
    Web API
    REST API
    Ionic Framework
    Microsoft SQL Server
    .NET Core
    Angular
  • $50 hourly
    • 5.0/5
    • (9 jobs)
    "She is very good in coding. She is the best and to go person for any hadoop or nifi requirements." "Abha is a star; have successfully handed the project in a very professional manner. I will definitely be working with Abha again; I am very happy with the quality of the work. 🙏" "Abha Kabra is one of the most talented programmers I have ever meet in Upwork. Her communication was top-notch, she met all deadlines, a skilled developer and super fast on any task was given to her. Perfect work is done. Would re-hire and highly recommended!!" Highly skilled and experienced Bigdata engineer with over 6 years of experience in the field. With a strong background in Analysis, Data Migration, Design, and Development of Big Data and Hadoop based Projects using technologies like following: ✅ Apache spark with Scala & python ✅ Apache NiFi ✅ Apache Kafka ✅ Apache Airflow ✅ ElasticSearch ✅ Logstash ✅ Kibana ✅ Mongodb ✅ Grafana ✅ Azure data factory ✅ Azure pipelines ✅ Azure databricks ✅ AWS EMR ✅ AWS S3 ✅ AWS Glue ✅ AWS Lambda ✅ GCP ✅ cloud functions ✅ PostgreSql ✅ MySql ✅ Oracle ✅ MongoDB ✅ Ansible ✅ Terraform ✅ Logo/Book Cover Design ✅ Technical Blog writing A proven track record of delivering high-quality work that meets or exceeds client expectations. Deep understanding of Energy-Related data, IoT devices, Hospitality industry, Retail Market, Ad-tech, Data encryptions-related projects, and has worked with a wide range of clients, from Marriott, P&G, Vodafone UK, eXate UK etc. Able to quickly understand client requirements and develop tailored solutions that address their unique needs. Very communicative and responsive, ensuring that clients are kept informed every step of the way. A quick learner and is always eager to explore new technologies and techniques to better serve clients. Familiar with Agile Methodology, Active participation in Daily Scrum meetings, Sprint meetings, and retrospective meetings, know about working in all the phases of the project life cycle. A strong team player and a leader with good interpersonal and communication skills and ready to take independent challenges.
    Featured Skill PostgreSQL Administration
    Apache NiFi
    PySpark
    Databricks Platform
    ETL Pipeline
    Big Data
    Grafana
    Kibana
    Apache Kafka
    Apache Spark
    PostgreSQL
    Microsoft Azure
    MongoDB
    Scala
    Python
    Elasticsearch
    Google Cloud Platform
    Amazon Web Services
  • $44 hourly
    • 5.0/5
    • (18 jobs)
    ✅ 𝟒+ 𝗬𝗘𝗔𝗥𝗦 𝗘𝗫𝗣𝗘𝗥𝗜𝗘𝗡𝗖𝗘 ✅ 𝟓+ 𝗛𝗔𝗣𝗣𝗬 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 ⭐"𝐏𝐫𝐢𝐲𝐚𝐭𝐡𝐚𝐦 𝐝𝐢𝐝 𝐚 𝐠𝐫𝐞𝐚𝐭 𝐣𝐨𝐛 𝐨𝐧 𝐚 𝐋𝐀𝐌𝐏 𝐑𝐄𝐒𝐓 𝐀𝐏𝐈 𝐝𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭 𝐭𝐨 𝐀𝐦𝐚𝐳𝐨𝐧 𝐖𝐞𝐛 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬. 𝐖𝐞'𝐝 𝐛𝐞 𝐡𝐚𝐩𝐩𝐲 𝐭𝐨 𝐰𝐨𝐫𝐤 𝐰𝐢𝐭𝐡 𝐭𝐡𝐢𝐬 𝐟𝐫𝐞𝐞𝐥𝐚𝐧𝐜𝐞𝐫 𝐚𝐠𝐚𝐢𝐧." - 𝐀𝐖𝐒 𝐓𝐞𝐚𝐦 ⭐ ⭐"𝐀𝐥𝐰𝐚𝐲𝐬 𝐚 𝐩𝐥𝐞𝐚𝐬𝐮𝐫𝐞 𝐰𝐨𝐫𝐤𝐢𝐧𝐠 𝐰𝐢𝐭𝐡 𝐏𝐫𝐢𝐲𝐚𝐭𝐡𝐚𝐦. 𝐇𝐞'𝐬 𝐭𝐫𝐮𝐥𝐲 𝐚 𝐰𝐢𝐳𝐚𝐫𝐝. 𝐇𝐢𝐬 𝐞𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 𝐰𝐢𝐭𝐡 𝐏𝐲𝐭𝐡𝐨𝐧(𝐃𝐣𝐚𝐧𝐠𝐨) 𝐢𝐬 𝐭𝐫𝐮𝐥𝐲 𝐞𝐱𝐜𝐞𝐩𝐭𝐢𝐨𝐧𝐚𝐥. - 𝐑𝐲𝐚𝐧 𝐂𝐡𝐞𝐧, 𝐋𝐨𝐚𝐧𝐜𝐚𝐭𝐞𝐫" ⭐ 🚀🚧 𝗧𝗘𝗖𝗛 𝗦𝗧𝗔𝗖𝗞 🚧🚀 Languages: Python, Delphi, JavaScript, HTML, CSS Frameworks: Django, Django-Rest Framework (DRF), Flask, FastAPI etc. Databases: PostgreSQL, MongoDB, Amazon Dynamo DB etc. Cloud Infrastructure: AWS, GCP, Azure, Heroku, DigitalOcean, Render etc Payment: Stripe, Paypal, LemonSqueezy, Razorpay etc. CI/CD: GitHub Workflows, Bitbucket Pipelines, GitLab Pipelines etc Server: Gunicorn, NGNIX, uWSGI, ASGI, Starlette etc. Testing: Unit tests, Integration tests, end-2-end (E2E) tests, Pytest Miscellaneous: Docker, Third-party APIs, OpenAI, Microservices and Monolithic architectures etc. 🚀🚧 𝗢𝗨𝗥 𝗦𝗘𝗥𝗩𝗜𝗖𝗘𝗦 🚧🚀 Web Development: Full-stack application development using Python (Django, Flask) API Services Development: Backend API services development using Django Rest Framework, FastAPI, Delphi (DMVC, Horse) Data Science / Machine Learning: Develop Vision, Speech, NLP, Recommendation Systems Open-source Development: Ready to collaborate in your open-source project initiatives. 🚀🚧 𝗖𝗔𝗟𝗟 𝗧𝗢 𝗔𝗖𝗧𝗜𝗢𝗡 🚧🚀 If you need any of the above services and if you find us interesting, please give us the chance to develop your services or applications. -- Priyatham ⭐"𝐀𝐰𝐞𝐬𝐨𝐦𝐞 𝐟𝐫𝐞𝐞𝐥𝐚𝐧𝐜𝐞𝐫 - 𝐯𝐚𝐥𝐮𝐞-𝐨𝐫𝐢𝐞𝐧𝐭𝐞𝐝, 𝐬𝐤𝐢𝐥𝐥𝐞𝐝, 𝐚𝐧𝐝 𝐡𝐢𝐠𝐡𝐥𝐲 𝐦𝐨𝐭𝐢𝐯𝐚𝐭𝐞𝐝!" - 𝐂𝐡𝐫𝐢𝐬𝐭𝐢𝐚𝐧 𝐌𝐚𝐲𝐞𝐫, 𝐂𝐄𝐎 𝐨𝐟 𝐅𝐢𝐧𝐱𝐭𝐞𝐫.𝐜𝐨𝐦" ⭐
    Featured Skill PostgreSQL Administration
    Microsoft Azure
    Google Cloud Platform
    AWS Development
    MongoDB
    Web Application
    REST API
    Full-Stack Development
    Web Development
    JavaScript
    PostgreSQL
    FastAPI
    Flask
    Django
    Python
    SaaS
  • $40 hourly
    • 4.9/5
    • (21 jobs)
    🚀 Experienced Full Stack Software Engineer | SaaS expertise | Upwork Certified JS Developer 🚀 Are you seeking a seasoned software engineer with a knack for creative problem-solving and a track record of delivering exceptional results? Look no further! With over 7 years of hands-on experience in the field, I bring a wealth of expertise to the table. 🔧 My Approach: I thrive on tackling challenges and fostering innovation. I actively engage with my team and clients, offering my ideas and suggestions to drive projects forward. I am equally receptive to feedback from clients and fellow engineers, as I believe it's a crucial part of delivering the best possible outcomes. ✅ My Achievements: 🏆 Upwork Certified JS Developer 💯 100% Job Success Score (JSS) 💰 $90,000+ Earned ⏰ 1900+ Work Hours ⭐ All 5-star Ratings 🛠️ Technical Expertise: 💻 Front-end: Proficient in various JavaScript frameworks and libraries, including Angular, React, and more. 🚀 JavaScript: I excel in JavaScript development, handling ES6 features, creating Chrome extensions, crafting Vanilla JS and TypeScript applications, and custom web app and SaaS development. ⚙️ Backend Development: Skilled in REST and RPC. 📊 Database Management: Experienced in stored procedures, triggers, and functions. ☁️ Cloud Mastery: Knowledgeable in AWS and Azure services, including serverless architecture. 🌐 Web Development: Adept at WordPress, custom theme development, and designing with Webflow. 🛢️ DevOps: Experienced in CI/CD, auto-deployment, Kubernetes, Docker, Jenkins, and GitLab pipelines. 📱 Mobile Development: Cross-platform mobile app development and deployment. 🚀 Agile: Practiced in agile methodologies and project maintenance. 🌐 Socket Programming: Proficient in this networking technology. 🔧 Skills: ✅ Angular: Expertise in architecture with TypeScript, NgRx, RxJs, and more. ✅ React & Next: Proficient in JS/TS, Redux, function-based architecture and more. ✅ C#: Mastery in .NET Core, MSSQL, REST API, SignalR, and more. ✅ Node.js: Skilled in REST API with Express/Nest, TypeORM, Prisma, and more. ✅ Databases: Knowledge of MSSQL, PostgreSQL, MySQL, and various NoSQL databases. ✅ AWS: Expertise in serverless architecture, Lambda, and a range of AWS services. ✅ Azure: Proficient in Active Directory, Logic Apps, Function Apps, and more. ✅ Python: Proficient in AWS Lambda, Django REST Framework, Azure Functions, FastAPI. ✅ React Native: Cross-platform mobile application development. ✅ Ionic: Cross-platform mobile application development. ✅ Project Management: Proficient in JIRA, Zoho, Trello, Asana, and Azure DevOps. ✅ Version Control: Skilled in Git with various platforms. ✅ Development Tools: Adept with VS Code, Visual Studio, and more. 🤝 Ready for Long-term Engagement: I'm open to starting with small tasks, so clients can assess my skills and make informed decisions about the best fit for their projects. Let's collaborate and turn your ideas into reality. Feel free to reach out for a chat or project discussions. I'm excited to explore new opportunities with you!
    Featured Skill PostgreSQL Administration
    Microsoft SQL Server Programming
    TypeScript
    Angular
    PostgreSQL
    Python
    Django
    Node.js
    HTML5
    AWS Cloud9
    Ionic Framework
    CSS 3
    React
    AWS Lambda
    Serverless Computing
    C#
  • $35 hourly
    • 4.9/5
    • (38 jobs)
    🔹 Designed and developed the backend systems, content generation agents and RAG-based conversational chatbots through Langchain and OpenAI at a content generation start-up, pockla.io 🔹 Engineered the no-code Computer Vision Platform to build, monitor and maintain Computer Vision based AI models at sixsense.ai.(Django, React and PostgreSQL) 🔹 Constructed backtests, quant trading algorithms, trading bots, rule-based portfolios and pine scripts for at least 20 clients on Upwork and for Morningstar 🔹 Created custom AI models by training on images and fine-tuning models for a computer vision start-up. sixsense.ai 🔹 Designed and executed the universe construction, portfolio construction and backtesting framework at Morningstar Indexes. 🔹 Developed full-stack AWS/GCP/Azure applications at Sustainergy, Pockla, Sixsense and WriteScore. 🔹 Setup algorithmic trading systems for stocks/crypto/options/futures in Zerodha | TradingView | IBKR | Binance | CCXT) 🔹 Set up big data pipelines, ETL and data warehouses. (S3, Glue, Spark, Postgres, Kafka) 🔹 Build UI designs, React/Angular website, Flutter Android and iOS Apps 🔹 Set up the CI\CD pipeline in Jenkins/Github actions through Docker and Terraform and deploy them to AWS/GCP/Azure through Terraform 🔹 Collaborated on the event-based architecture setup through Kafka, AWS DynamoDB and AWS ECS. 🔹 Have worked and integrated with different workflow systems like Stepfunction, Airflow and JBPM. 🔹 I have a master's in Physics and a bachelor's in Mechanical Engineering 🔹 I love tinkering with new technologies and learning new stuff. ★ Below are my skills. ★ 🔹 Programming Languages 🔹 ✤ Python ✤ Java ✤ Dart ✤ Javascript ✤ C ✤ C++ ✤ Dart 🔹 AI 🔹 ✤ Open AI APIs ✤ LLM ✤ DALL-E ✤ ChatGPT ✤ Vicuna ✤ GPT4All 🔹 Frameworks 🔹 ✤ Django ✤ Spring Boot 🔹 Quant 🔹 ✤ Backtesting ✤ Pine Script ✤ Trading View ✤ Portfolio Construction ✤ Portfolio Calculation ✤ Trading algorithm - Algo trading ✤ Trading bot ✤ Data extraction of Stocks / Crypto / Mutual Funds / Forex ✤ Yahoo Finance 🔹 Cloud services 🔹 ✤ AWS - Amazon Web Services ✤ GCP - Google Cloud Platform ✤ Azure - Microsoft ✤ Linode 🔹 Database 🔹 ✤ SQL ✤ Stored procedures ✤ PostgreSQL - PostGIS ✤ Mongo DB ✤ Sql Server ✤ Dynamo DB ✤ Mysql ✤ Redshift ✤ SQLite ✤ Clickhouse 🔹 Technology 🔹 ✤ Apache Kafka ✤ Apache Flink ✤ Apache Spark (pyspark) ✤ Drools ✤ API / Rest ✤ Hadoop 🔹 Front-end / UI 🔹 ✤ React ✤ Flutter ✤ React Native ✤ HTML ✤ CSS 🔹 Message queues 🔹 ✤ Redis ✤ Celery ✤ RabbitMQ 🔹 Workflow 🔹 ✤ Stepfunction ✤ Airflow ✤ JBPM 🔹 AWS Services 🔹 ✤ Lambda ✤ S3 - Simple Storage Service ✤ ECS - Fargate ✤ EC2 ✤ ECR ✤ Cloudwatch Logs ✤ Cloudwatch Events ✤ EventBridge ✤ SNS - Simple Notification Service ✤ SQS - Simple Queue Service ✤ Sagemaker ✤ AWS Glue ✤ Athena ✤ Stepfunction ✤ AWS DMS ✤ Application Load Balancer ✤ AWS RDS (Postgres, MySql) 🔹 Data Science 🔹 ✤ Data Mining ✤ Data Engineering ✤ Data Scraping ✤ Data visualization ✤ Statistics ✤ Machine Learning ✤ Computer Vision 🔹 DevOps 🔹 ✤ Jenkins ✤ Docker ✤ Terraform ✤ Github Actions ✤ Gitlab ✤ Splunk ✤ GIT ✤ Unit testing ✤ Integration testing 🔹 Project Management 🔹 ✤ AGILE ✤ JIRA ✤ Wiki ✤ Confluence ✤ Airtable 🔹 Operating Systems(OS) 🔹 ✤ Windows ✤ Linux ✤ MacOS \ Mac ✤ Ubuntu ✤ Unix 🔹 Domain 🔹 ✤ FinTech ✤ SaaS ✤ Manufacturing ✤ Semiconductor 🔹 Thank you for reading till the end :) 🔹 Let's build something great together and have fun on the journey!
    Featured Skill PostgreSQL Administration
    AI Bot
    Retrieval Augmented Generation
    API
    SQL
    Django
    PostgreSQL
    AWS Glue
    DevOps
    Generative AI
    Amazon Web Services
    ChatGPT
    Data Engineering
    Python
    Machine Learning
    Artificial Intelligence
  • $45 hourly
    • 4.7/5
    • (64 jobs)
    🟢 A dedicated backend API/ integrations /Webhooks developer with a strong focus on scalable, enterprise-level SaaS solutions using Python, Django, FastAPI, REST APIs, Docker and AWS. 🟢 My goal, whether working with large corporate teams or independently for smaller firms, is to thoroughly understand my customers' needs and deliver impeccable quality and service on time and within budget. 🟢 I have Strong Experience in ✅ API ,API Integrations, Webhooks, integrating 3rd party API ✅ AI, RAG , OpenAI and Vector Databases ✅ Python FastAPI, Flask ✅ Django, Django Rest Framework, DRF, Django-channels ✅ MySQL, PostgreSQL, NoSQL, MongoDB, Graph Database ✅ Scalable Deployment and Management ✅ Postman, Docker, API Management ✅ Testing 🟢 My development process is highly collaborative and transparent. 🎯 I work closely with my clients to understand their vision, identify their pain points, and develop a strategy that solves their problems and fulfils their dreams. 🎯 I use the latest web technologies and best practices to create fast, responsive, and user-friendly websites that engage and delight their audiences. 🎯 I'm dedicated to providing high-quality work and exceptional customer service, and I'm confident that I can help you achieve your goals. Feel free to contact me with questions or to introduce a prospective project. Thank you, Abhishek Gawade Backend Developer !
    Featured Skill PostgreSQL Administration
    Scripting
    AI App Development
    Web Application
    Microservice
    API Integration
    REST API
    Software Development
    Full-Stack Development
    Web Development
    FastAPI
    API Development
    PostgreSQL
    Django
    API
    Python
  • $35 hourly
    • 5.0/5
    • (5 jobs)
    This is Bhavika and I am a senior Python developer with 6+ 𝐲𝐞𝐚𝐫𝐬 of experience in Python. • Used 𝐃𝐣𝐚𝐧𝐠𝐨 𝐟𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤 and Python to build dynamic webpages. • Good experience in developing web applications implementing Model View Control architecture using Django. • Expertise in using new tools and technical developments: libraries used: 𝐍𝐮𝐦𝐏𝐲, 𝐩𝐚𝐧𝐝𝐚𝐬, 𝐦𝐚𝐭𝐩𝐥𝐨𝐭𝐥𝐢𝐛, 𝐬𝐜𝐢-𝐤𝐢𝐭-𝐥𝐞𝐚𝐫𝐧, 𝐓𝐞𝐧𝐬𝐨𝐫𝐅𝐥𝐨𝐰, 𝐛𝐞𝐚𝐮𝐭𝐢𝐟𝐮𝐥 𝐬𝐨𝐮𝐩. • Good experience in working with data analytics and Excel data extracts in Python-based environments. • Proficient in writing SQL queries, Stored Procedures, Functions, and Triggers using relational databases like Oracle, MYSQL, and PostgreSQL. • Knowledge about setting up Python REST API framework using Django. • Thorough knowledge of various front-end technologies like JavaScript, CSS3, • HTML, DHTML. • Good expertise in creating predictive models. • Developed full backend in Django. • Checking with clients for requirements or queries related to daily. • Developing, debugging, testing, and versioning code daily. • Worked as a leader in a team of three people. • Hands-on experience with BASH shell scripting on Ubuntu Linux environment with Amazon AWS CLI. • Hands-on experience with Amazon web services including EC2. • Hands-on experience with GCP. • Used Python Flask Framework to build a modular and maintainable application. •Hands-on experience with operating systems like Ubuntu Linux, Unix, Windows Responsible for setting cron jobs on the servers.
    Featured Skill PostgreSQL Administration
    FastAPI
    Flask
    Machine Learning
    Web Scraping
    Automation
    Chatbot
    ChatGPT
    Web Development
    Web Hosting
    RESTful API
    Django
    Stripe
    React
    Python
    PostgreSQL
  • $40 hourly
    • 5.0/5
    • (24 jobs)
    Database Development : ****************************************** Oracle Sql, Plsql, Data Export from Oracle DB to excel MSSQL PostgreSQL AWS Redshift, Glue, S3 GCP BigQuery Snowflake Oracle Forms(D2k) Expertise in Entities like : ------------------------------- Tables, Views, Sql Queries, All Types of JOINS, Cursor, Procedure, Function, Packages, Triggers, Collection, Bulk Collect, Analytical/Window Function, Dynamic Sqls, Pipelined Functions, Sql Loader, External Table, Hints, Bug Fixing , Debugging, Impact Analysis etc. DBA ************** * Having 10+years of experience as an Oracle, MICROSOFT SQL server and Golden Gate administrations in Banking, finance, Healthcare, Multimedia and currently working in Telecom domain. Working in 24x7 environments and providing support. * 6 +Month experience on AWS RDS and EC2 instances. Experience in RAC Implementation, maintenance of Clustered Databases, CRS upgrade, ASM implementation and maintenance. * Hands on knowledge of Golden gate replication and online Migrations tool. * Migration from 11g and 2c to 19c using DBUA Experience in installation & configuration oracle 10g, 11g, 12c and 19c RAC. * Implementation MICROSOFT SQL server 2008, 2012, 2014 and 2016 in development, test, and production environment. Always on replication. * Monitoring MSSLQL Server clustering, Log shipping, mirroring * Having dept knowledge about Oracle and MICROSOFT SQL server patching. * Tested and Implemented different physical and logical backup and recovery methods like point in time, Media recovery, RMAN and EXPDP and IMPDP utility. * Experience in designing Data guard solution and implementation and in managing physical standby. * Experience in monitoring and optimizing the Database performances through tuning using stats pack, AWR, ADDM, explain plan, Backup timings of databases. Having hands-on knowledge Oracle Table Partitions and Materialized Views. * Upgraded/ Migrated MICROSOFT SQL server Instances/Databases from older version MICROSOFT SQL server to new version of SQL Server. Apply SP (Service Pack)/ hot fixes on MSSQL server Instances to address security and upgraded related issues. * Performance Tuning and schedule jobs to automate different database related activities including backup, monitoring database health, disk space, and backup verification. * Extensive knowledge of oracle architecture SGA, PGA, Listener, tns names. * Developed Different Maintenance Plans for database monitoring. Setup Jobs, Maintenance plans for backups. Rebuilding indexes, check server health, alert, notifications Manual, on demand and setup jobs for Database Backup, and design backup strategy. * Experience in Mirroring and Log shipping and managing Standby Databases. * Creating File groups & managing File groups. Creating users and providing proper privileges for Database access. * Memory monitoring and optimizing the Database Performances through Tuning Explain Plan. Experience in Oracle RMAN backup (Full, incremental and cumulative) and recovery, Incomplete recovery and disaster recovery. * Experience in, Maintenance plans for backups, Rebuilding indexes, check server health, alert, notifications Manual, on Demand and setup jobs for Database Backup, and design backup strategy. * Hands-on experience in configuring MSSQL server and Windows system event log entries for warnings. Language : ********************* Python (Pandas, Numpy, Matplotlib, AI/ML, PySpark) Java (Java, Spring MVC, Spring boot, Microservices, Rest-api, React, Angular old version Javascript) ETL: Informatica **************** 1. Proficient in data integration and ETL processes using Informatica PowerCenter. 2. Extensive experience in designing, developing, and implementing ETL solutions with a focus on Informatica PowerCenter. 3. Demonstrated expertise in creating complex mappings, workflows, and transformations in Informatica PowerCenter to optimize data flow. 4.Proven track record of troubleshooting Informatica PowerCenter workflows. 5. In-depth knowledge of working with various databases and sources like oracle , terafata, flat files to extract, transform, and load data using Informatica PowerCenter. 6. Implemented and maintained data warehouses utilizing Informatica PowerCenter as a key component of the ETL architecture. 7. Proficient in utilizing Informatica PowerCenter for handling large volumes of data. Excel : ************* Advanced Excel Formula, Macro Data Visualization : ************************** Power BI As a Trainer to Train in SQL Help Students in their SQL Assignments ####################################### Having over 14 Years of experience mainly as a Database Development Expert. Also having hands on experience in above mentioned skill set. Just give a faith for your development activities, I assure you will not be disappointed. Note : Pay after only the satisfaction of work only. Thanks DK Raju
    Featured Skill PostgreSQL Administration
    Visual Basic
    Excel Macros
    Informatica
    AWS Glue
    MySQL Programming
    MySQL
    Microsoft SQL Server
    TIBCO Spotfire
    PostgreSQL
    Training
    Oracle PLSQL
    Oracle Forms
    Microsoft Power BI
    Python
    SQL
  • $45 hourly
    • 4.7/5
    • (12 jobs)
    Next-Gen Developer Building Intelligent Systems I architect and deploy AI-powered solutions that transform business operations. With expertise in Large Language Models (LLMs), generative AI, and cloud-native architectures, I bridge the gap between cutting-edge research and production-ready applications. Core Expertise: • Generative AI Development: RAG systems, fine-tuning LLMs (GPT-4, Gemini, Llama2), and AI agent workflows • ML Engineering: Productionizing models with MLOps, vector databases, and semantic search • Cloud AI Services: AWS Bedrock, Azure AI, GCP Vertex AI implementations, VPC, IAM, EC2, Lambda etc. • Full-Stack AI: API development (FastAPI, Flask) with React/Next.js frontends Recent Impact: ✓ Built industrial AI assistant using LangGraph + Pinecone that reduced equipment downtime by 35% ✓ Automated insurance claim processing achieving 90% accuracy with document AI pipelines ✓ Developed investor analytics platform leveraging RAG architecture with namespace isolation Technical Arsenal: AI/ML Stack: LLMs: OpenAI, Anthropic, Mistral, Gemini Frameworks: LangGraph, LlamaIndex, HuggingFace Vector DBs: Pinecone, Weaviate, FAISS MLOps: MLflow, Weights & Biases Cloud & DevOps: AWS (SageMaker, Bedrock), GCP (Vertex AI), Azure AI Kubernetes, Terraform, ArgoCD CI/CD for ML pipelines Full-Stack Development: Python (FastAPI, Django), Node.js React/Next.js, TypeScript PostgreSQL, MongoDB Key points where I can help you: → Production-Ready AI: From PoC to scalable deployment → Full-Cycle Ownership: Architecture → Development → Optimization → Domain Experience: Fintech, Insurance, Industrial IoT → Cost-Efficient Solutions: Right-size models for business needs
    Featured Skill PostgreSQL Administration
    PostgreSQL
    MongoDB
    RabbitMQ
    Google Cloud Platform
    Microservice
    Domain-Driven Design
    Django
    Docker
    Celery
    Python
    NGINX
    Amazon Web Services
    DevOps
    Git
    Flask
    Test-Driven Development
  • $40 hourly
    • 5.0/5
    • (12 jobs)
    I am Sr. Ruby on Rails developer. I have more than 9 years of experience as a full stack developer, a tech enthusiast, and expertise in Finance, E-commerce, Education, Food and AI. We have started working with AI as well and would like to assist client with our knowledge and experience. I help clients to build a web application from scratch to deployment and maintenance. I closely work with clients to understand their requirements and developed application that meets their expectations within time limits.
    Featured Skill PostgreSQL Administration
    Heroku
    DigitalOcean
    Payment Gateway Integration
    JavaScript
    PostgreSQL
    HTML
    Ruby on Rails
    Amazon Web Services
    Ruby
    Git
    MySQL
    React
  • $40 hourly
    • 5.0/5
    • (13 jobs)
    I am a full-stack developer with over 8 years of experience creating web applications. I am a programmer with solid front-end and back-end skills. In addition to having outstanding design and development abilities, I can turn customer specifications into engaging web applications. I enjoy taking the effort to optimize web programs and address minor issues. I operate with integrity and honesty. My goal is to offer my clients high-quality, reasonably priced services. React, Redux, Next.js, Node.js, MUI, Typescript, Javascript, MongoDB, PostgreSQL, and MERN Applications are just a few of the technologies I am proficient in. Depending on the situation, I can work either full-time or part-time. Reasons to hire me: - Robust technical solutions - I have a variety of skill sets as a developer. - Excellent responsiveness and communication. - I've worked on outsourced projects for more than 8 years, with a success rate of 100%. - Excellent work; daily status update
    Featured Skill PostgreSQL Administration
    PostgreSQL
    ExpressJS
    Redux
    CodeIgniter
    MongoDB
    Back-End Development
    TypeScript
    React
    Next.js
    Full-Stack Development
    Front-End Development
    Material UI
    Node.js
    Web Design
    JavaScript
  • $40 hourly
    • 5.0/5
    • (7 jobs)
    🚀 Scaled Discord Bot from Development to 320k Users! 👨‍💻 I'm a Full Stack Python Developer. I expertise in building powerful backend systems, discord bots, visually appealing frontend, custom softwares, Custom API Development, Data/Web Scrapping & a lot more! 💻 Things that I do (but not limited to): ✅ Full-stack Development ✅ Back-end Development ✅ Front-end Development ✅ Discord Bot Development ✅ Custom API Development ✅ Custom Software Development ✅ Hosting/Deployment of Application 🌐 More about me: eitozx.com Looking forward to working together!
    Featured Skill PostgreSQL Administration
    Front-End Development
    Full-Stack Development
    Next.js
    Data Scraping
    Back-End Development
    Web Scraping
    REST API
    API
    Discord Bot Development
    PostgreSQL
    Flask
    Python
    HTML
    Tailwind CSS
    Django
  • $34 hourly
    • 5.0/5
    • (2 jobs)
    From Concept to Deployment, I've Got It Covered. As a Freelance Full Stack Developer at Windermind Private Limited, I'm not just a Developer—But also the Founder. This dual expertise empowers me to craft digital solutions that aren't just technically sound, but also align perfectly with business objectives. Specialising in both front-end and back-end technologies, I offer comprehensive, end-to-end solutions for startups to established companies. Whether you're looking to build an MVP or optimise your existing digital footprint, my entrepreneurial mindset ensures you'll get tangible results that drive business growth. Moreover, on behalf of Windermind Private Limited, I'm open to collaborating on innovative ideas that need expert development. If your project requires a team to bring it from concept to a full-fledged product, we've got that covered too. My entrepreneurial mindset, coupled with Windermind's resources, ensures you'll achieve tangible results that drive business growth
    Featured Skill PostgreSQL Administration
    Microservice
    Docker
    Tailwind CSS
    API Development
    Web Development
    PostgreSQL
    MongoDB
    Git
    Next.js
    React
    Node.js
    JavaScript
    TypeScript
    NestJS
    Amazon Web Services
  • $100 hourly
    • 5.0/5
    • (1 job)
    More than 10 Years of IT experience in development using various technologies like Java, Spring Boot, Microservices, Node and Grails. Hands-on experience in Spring(IOC, MVC, Data-JPA) and Hibernate. Good Knowledge in Service-oriented architecture(SOA), design patterns, design principles, and software lifecycle methodologies. • Worked on AWS services (EC2, S3, RDS, Lambda, SQS ), Netflix-OSS (Hystrix, Zuul, andFeignClient), and Docker. • Ability to adapt quickly to new environments, learn new technologies and deliver the best quality of work. • Working experience in Continuous integration tools like Jenkins. • firm believer and practitioner of Agile methodologies. • Working Experience in Kubernetes, Kafka SQS, and RabbitMQ. • Strong focus on technology and obsessed with keeping things simple.
    Featured Skill PostgreSQL Administration
    AWS Application
    Java
    PostgreSQL
    Grails
    jQuery
    Apache Groovy
    MySQL
    Angular
    React
  • $45 hourly
    • 5.0/5
    • (9 jobs)
    I'm a games and graphics developer with around 15 years of experience in C++; 13 of which was in Microsoft as a senior dev. I've implemented 2D and 3D game engines, rendering engines (OpenGL/WebGL/ThreeJS/GLSL, Direct3D/HLSL, SDL, SFML, Allegro, Direct2D), authored parts of middleware libraries in C++ with libraries like Boost, Abseil, etc. I've deep 3D mathematics knowledge including linear algebra, quaternions and affine transforms to help you with your game/rendering engine tasks. I've experience authoring and using spatial partitioning structures, intersection testing, collision detection and physics engines (Box2D, Jolt, Bullet). I've also authored CLI/GUI tools in C, Rust and Python. I've used an array of build tools like CMake, Bazel, Premake, GNU Make. I've written graphics prototype in WebGL2/ThreeJS. I also work in projects demanding concurrency, multi-threading and low-level synchronization in addition to task-based parallelism. With over 15 years of professional systems engineering and being a mentor to a bunch of folks, I am an efficient engineer who can complete your tasks on schedule.
    Featured Skill PostgreSQL Administration
    CMake
    Technology Tutoring
    DirectX
    Game Development
    3D Rendering
    WebGL
    WebAssembly
    OpenGL
    Game Engine
    Rust
    PostgreSQL
    SQLite
    C
    C++
    Qt Framework
  • $60 hourly
    • 4.9/5
    • (4 jobs)
    | 𝘼𝙫𝙖𝙞𝙡𝙖𝙗𝙡𝙚 𝙛𝙤𝙧 𝙞𝙢𝙢𝙚𝙙𝙞𝙖𝙩𝙚 𝙨𝙩𝙖𝙧𝙩 | 𝙏𝙤𝙥-𝙧𝙖𝙩𝙚𝙙 𝙚𝙣𝙜𝙞𝙣𝙚𝙚𝙧 | I'm a 𝙛𝙪𝙡𝙡-𝙨𝙩𝙖𝙘𝙠 𝙨𝙤𝙛𝙩𝙬𝙖𝙧𝙚 𝙚𝙣𝙜𝙞𝙣𝙚𝙚𝙧 having +4 years of experience who transforms complex requirements into 𝙚𝙡𝙚𝙜𝙖𝙣𝙩, 𝙚𝙛𝙛𝙞𝙘𝙞𝙚𝙣𝙩 𝙬𝙚𝙗 𝙖𝙥𝙥𝙡𝙞𝙘𝙖𝙩𝙞𝙤𝙣𝙨. With expertise in both front-end and back-end development, I create solutions that 𝙙𝙧𝙞𝙫𝙚 𝙗𝙪𝙨𝙞𝙣𝙚𝙨𝙨 𝙨𝙪𝙘𝙘𝙚𝙨𝙨. 𝙒𝙝𝙖𝙩 𝙄 𝙊𝙛𝙛𝙚𝙧: * 𝘽𝙪𝙞𝙡𝙙𝙞𝙣𝙜 𝙝𝙞𝙜𝙝-𝙥𝙚𝙧𝙛𝙤𝙧𝙢𝙖𝙣𝙘𝙚, 𝙨𝙘𝙖𝙡𝙖𝙗𝙡𝙚 𝙬𝙚𝙗 𝙖𝙥𝙥𝙡𝙞𝙘𝙖𝙩𝙞𝙤𝙣𝙨 * 𝘾𝙧𝙖𝙛𝙩𝙞𝙣𝙜 𝙞𝙣𝙩𝙪𝙞𝙩𝙞𝙫𝙚 𝙪𝙨𝙚𝙧 𝙞𝙣𝙩𝙚𝙧𝙛𝙖𝙘𝙚𝙨 𝙬𝙞𝙩𝙝 𝙢𝙤𝙙𝙚𝙧𝙣 𝙛𝙧𝙖𝙢𝙚𝙬𝙤𝙧𝙠𝙨 * 𝘿𝙚𝙫𝙚𝙡𝙤𝙥𝙞𝙣𝙜 𝙧𝙤𝙗𝙪𝙨𝙩, 𝙨𝙚𝙘𝙪𝙧𝙚 𝙨𝙚𝙧𝙫𝙚𝙧-𝙨𝙞𝙙𝙚 𝙨𝙤𝙡𝙪𝙩𝙞𝙤𝙣𝙨 * 𝘿𝙚𝙨𝙞𝙜𝙣𝙞𝙣𝙜 𝙚𝙛𝙛𝙞𝙘𝙞𝙚𝙣𝙩, 𝙬𝙚𝙡𝙡-𝙙𝙤𝙘𝙪𝙢𝙚𝙣𝙩𝙚𝙙 𝘼𝙋𝙄𝙨 * 𝙒𝙧𝙞𝙩𝙞𝙣𝙜 𝙘𝙡𝙚𝙖𝙣, 𝙢𝙖𝙞𝙣𝙩𝙖𝙞𝙣𝙖𝙗𝙡𝙚 𝙘𝙤𝙙𝙚 𝙒𝙝𝙖𝙩 𝙄 𝘿𝙚𝙡𝙞𝙫𝙚𝙧: My approach combines 𝙩𝙚𝙘𝙝𝙣𝙞𝙘𝙖𝙡 𝙚𝙭𝙘𝙚𝙡𝙡𝙚𝙣𝙘𝙚 with 𝙘𝙡𝙚𝙖𝙧 𝙘𝙤𝙢𝙢𝙪𝙣𝙞𝙘𝙖𝙩𝙞𝙤𝙣, ensuring your project is delivered on time and exceeds expectations. Whether you need a complete web application, API integration, or performance optimization, I provide 𝙩𝙖𝙞𝙡𝙤𝙧𝙚𝙙 𝙨𝙤𝙡𝙪𝙩𝙞𝙤𝙣𝙨 that align with your 𝙗𝙪𝙨𝙞𝙣𝙚𝙨𝙨 𝙜𝙤𝙖𝙡𝙨. 𝙍𝙚𝙖𝙙𝙮 𝙩𝙤 𝙗𝙧𝙞𝙣𝙜 𝙮𝙤𝙪𝙧 𝙥𝙧𝙤𝙟𝙚𝙘𝙩 𝙩𝙤 𝙡𝙞𝙛𝙚? Let's discuss how I can help you achieve your objectives with 𝙥𝙧𝙤𝙛𝙚𝙨𝙨𝙞𝙤𝙣𝙖𝙡, 𝙛𝙪𝙩𝙪𝙧𝙚-𝙥𝙧𝙤𝙤𝙛 𝙙𝙚𝙫𝙚𝙡𝙤𝙥𝙢𝙚𝙣𝙩.
    Featured Skill PostgreSQL Administration
    Tailwind CSS
    Ethereum
    Smart Contract Development
    Solidity
    Blockchain Development
    Python
    NestJS
    Amazon Web Services
    Next.js
    React
    MongoDB
    PostgreSQL
    ExpressJS
    Node.js
    JavaScript
  • $35 hourly
    • 4.9/5
    • (17 jobs)
    Work Experience : 10+ years of work experience in IT industry. Skill Set: 1. Postgres/MySQL/Oracle/MongoDB/InfluxDB Database administration and Performance optimization 2. RHEL/CentOS/Ubuntu/Debian Administration 3. AWS/AZURE/GCP cloud administration 4. DevOps 5. WebServer Administration: Apache Tomcat/Nginx 6. Open Source Ticketing system: Zammad/FreeDesk 7. ActiveMQ and ElasticSearch administration 8. NextCloud , DropBox. 9. OpenStack. 10. Automation: Automation of repetitive tasks using Bash, Shell, Python and Ansible script.
    Featured Skill PostgreSQL Administration
    Odoo Administration
    DevOps
    Backup Administration
    Backup & Migration
    Apache Tomcat
    Red Hat Enterprise Linux
    PostgreSQL
    Database Administration
    Ansible
    Script
    Linux System Administration
    CentOS
    Ubuntu
    System Administration
  • $35 hourly
    • 5.0/5
    • (2 jobs)
    I'm a developer and architect with 11+ years experience in end-to-end full stack web development & architecture, data analytics, machine learning, and statistical modelling. I also have experience working in GenAI projects - LLMs, RAG, Vector Search, Knowledge graphs + RAG, Agentic workflows. - Experienced in Python, Flask, Angular, Javascript, HTML, CSS, NodeJS, JQuery, Neo4j, PostgreSQL, NoSQL, ArangoDB, Apache Kafka, automation, scripting, data analytics, visualizations with PowerBI, data analytics with pandas, clustering, statistical modelling, forecasting, predictive analytics, supervised/unsupervised learning, descriptive analytics - I'll fully project manage your brief from start to finish
    Featured Skill PostgreSQL Administration
    Statistical Analysis
    Unsupervised Learning
    Supervised Learning
    Generative AI
    Bash Programming
    Web Development
    Angular 10
    NodeJS Framework
    Microsoft Azure
    Redis
    Flask
    PostgreSQL
    Python
    pandas
    Neo4j
  • $35 hourly
    • 5.0/5
    • (23 jobs)
    Hello, I'm Ratnakar, a committed and independent full-time Ruby on Rails Developer on Upwork (Top Rated Plus). I am currently seeking long-term collaborations with clients. My experience includes working full-time with multiple global companies through Upwork from 2014. As a dedicated and Senior Ruby on Rails developer, my expertise encompasses a broad range of web development areas. This includes proficiency in front-end JavaScript and back-end Ruby, along with the development of comprehensive web platforms and APIs for mobile applications & front end applications, all utilizing the latest technologies. With more than 8 years in software development, I have successfully delivered a wide range of projects across various industries, consistently achieving client satisfaction and project objectives. Here are some key strengths that characterize my work: ✦ Ruby on Rails: MVC architecture, RESTful APIs, ActiveRecord, testing frameworks (RSpec) ✦ Database: PostgreSQL, MySQL, MongoDB ✦ Javascript, Jquery, React ✦ Hotwire Turbo, Stimulus ✦ Deployment: Heroku, AWS, Digital Ocean ✦ Docker, Portainer ✦ Sidekiq, Redis ✦ Shopify apps & extension development, Liquid Templates ✦ Third-party and RestFul API integration ✦ HTML, CSS ✦ Github, Bitbucket ✦ Jira, Trello, Pivotal, Clickup ✦ Sharetribe Marketplace Please feel free to reach out to me, and I would be delighted to discuss your requirements in detail.
    Featured Skill PostgreSQL Administration
    Heroku
    Sharetribe
    Elasticsearch
    GitHub
    Database Architecture
    Twilio API
    Redis
    Web Application
    JavaScript
    API Integration
    MySQL
    PostgreSQL
    React
    Ruby on Rails
    Ruby
  • $50 hourly
    • 4.9/5
    • (111 jobs)
    I am an accomplished Odoo certified professional implementer with over 9 years of extensive experience in Odoo and various in-demand technologies. With a strong passion for development and a customer-centric approach, I excel in providing reliable support and interacting with clients effectively. Throughout my career, I have successfully executed numerous Odoo projects and have honed my skills in developing custom modules. Additionally, I possess valuable expertise in E-Commerce platforms, including Amazon, eBay, Magento, and PrestaShop. My key strengths lie in: * Specialize in requirement gathering, business analysis, and delivering optimal solutions to clients. * Customizing Odoo modules to meet specific business requirements. * Developing new modules to enhance system functionalities. * Seamlessly integrating Odoo with popular E-Commerce marketplaces like Amazon, eBay, Magento, and PrestaShop and third-party warehouses for efficient inventory management. * Expertise in smoothly migrating modules from older versions to newer ones. * Proficiency in importing/exporting data between databases, ensuring seamless data management. * Creating customized reports for various business documents like sales, purchase, and invoice. With my comprehensive skill set and extensive experience, I am dedicated to delivering exceptional solutions that optimize business processes and drive success for clients.
    Featured Skill PostgreSQL Administration
    XML
    Business Analysis
    Web Service
    XML-RPC
    Android App Development
    Odoo Development
    Odoo
    NGINX
    Node.js
    Amazon EC2
    Odoo Administration
    Enterprise Resource Planning
    Python
    PostgreSQL
    JavaScript
  • $90 hourly
    • 4.8/5
    • (303 jobs)
    ✅ ♛ TOP-RATED ✅ 100% Job Success With over 15 years of experience in IT, I have a strong background in database programming, ETL, Data Migration, Data Analysis, VBA, software design, and development. I have extensive experience in the field of software and database design, spanning projects of various sizes. With my years of expertise, I can assist clients in enhancing and implementing software and DB features across all levels. I am a collaborative team member who delivers top-notch quality results. Database Expertise ------------------------- Offering professional solutions to complex database design, database maintenance, data analysis, and optimization techniques both On-Premise and cloud. • Database architect • Expert MS SQL Server, PostgreSQL, MySQL, SQLite, and SQL Azure. • Expert T-SQL Programmer - Stored Procedures, Views, and Complex queries. • Query performance tuning and database performance tuning. • SQL Server Integration Services (SSIS) • Data modeling, performance tuning, optimization, DB maintenance plan, etc… • Data Mining, Data Analysis, Machine Learning • Power BI, Crystal Reports, MS-Chart, and MS-Report Viewer. • Log shipping, clustering, and replication for High Availability of SQL Server • Expert in Data Extraction, Transforming, and Loading (ETL) using various tools such as SQL Server Integration Services (SSIS). Application/ Website Design, Branding/ Reporting Expertise ---------------------------------------------------------------------------- We have extensive experience in functional, technical end-to-end design, development, and maintenance of enterprise, Retail applications, and online websites. • ASP.NET, C#, VB.NET, Classic ASP. • VBA Macros/ VB 6.0/ MS Access/ VBA Macro/ MS Excel/ MS Outlook Programming. • HTML/HTML 5/ XHTML/ CSS, JavaScript/ VB Script, PHP. • WCF, WPF, Web services (Amazon, REST/ SOAP), LINQ etc. • Entity Framework, .Net framework. • JSON/ XML. Automation ---------------- - SmartSheets to MS SQL Server - XML to SQL Server SSIS - Box Cloud Storage Integration - C# MS Office Add-in Data Mining --------------- - Web scraping and data mining - De-Duping and Merging data using fuzzy matching and DB scripts, Excel functions, and Macros
    Featured Skill PostgreSQL Administration
    Microsoft Excel
    Stripe
    Excel Macros
    PostgreSQL
    MySQL
    Query Tuning
    Data Cleaning
    Database Architecture
    Lead Generation
    Microsoft SQL Server Programming
    ETL
    SQL Server Integration Services
    Database Programming
    SQL
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