Name: REST API developers
Brand: Upwork
Rating: 4.8 (671 reviews)

Check out REST API Developers in Pakistan with the skills you need for your next job.

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Clients rate REST API developers

4.8/5

based on 671 client reviews

$35 hourly
- 4.9/5
- (63 jobs)
Are you looking for a highly skilled developer with a track record of delivering top-notch mobile and web solutions? 🚀 Look no further! With over 5 years of expertise in mobile application development and 3 years in website development, I hold a Bachelor's degree in Computer Science from FAST-NUCES, Lahore. I specialize in creating intuitive, high-performance apps and websites that not only meet but exceed client expectations. 🌟 Client satisfaction has always been my top priority, and my experience working with diverse industries, including robotics 🤖, medical, and retail, ensures that I bring a broad and deep understanding of development to every project. I’m proud to say that all my clients have consistently been impressed with the solutions I deliver, from full-scale apps to MVPs and prototypes. Whether it’s building a solution from scratch or fixing ill-written code, I’m dedicated to delivering excellence. 💯 Here’s a quick look at my technical expertise: ✔️ Mobile Development: Flutter, Swift, Kotlin 📱 ✔️ Web Development: Vue.js, Node.js 💻 ✔️ Cloud Platforms: Google Cloud, AWS, Firebase ☁️ ✔️ Third-Party API Integrations: Stripe, Google Sign-In, Calendly, Maps, and more 🔗 ✔️ Development Tools: Android Studio, Xcode, VS Code, Git, GitHub 🔧 ✔️ CI/CD Automation: Configure and streamline deployments ⚙️ ✔️ App Store Management: Google Play & App Store publishing 📈 ✔️ Prototyping: Efficient MVP development and optimization 🛠️ What I can do for you: Build cross-platform mobile apps (iOS and Android) from scratch and publish them 📲 Create optimized websites with engaging interfaces 🌐 Develop new features or optimize your existing applications and websites 🔄 Fix and debug apps or websites with performance issues 🐞 Set up continuous integration/continuous deployment (CI/CD) for seamless releases 🚦 Let’s collaborate to bring your vision to life with cutting-edge solutions that leave a lasting impact. I'm excited to help you take your project to the next level! 💡

REST
API
Payment Functionality
Android App Development
Android
RESTful Architecture
Google Analytics
Firebase
Firebase Cloud Firestore
Firebase Realtime Database
Flutter
Node.js
Java
Python
Vue.js
$50 hourly
- 5.0/5
- (17 jobs)
Certified ServiceNow professional specializing in consultation and implementation of ITSM, HRSD, CSM, Service Catalog, Service Portal, Discovery, Service Mapping, Event Management, and both Scoped and Custom Applications. I hold certifications including CSA, CIS HR, CIS CSM, CIS ITSM, CAD, and Architecture Excellence (ArchX). In my role as a Senior ServiceNow Developer, I have a proven track record of transforming business needs into scalable, tailored ServiceNow solutions. With expertise in documenting technical solutions and guiding complex implementations, I deliver results that address key business challenges and improve organisational efficiency.

REST
RESTful Architecture
Laravel
Software Architecture & Design
Object-Oriented Programming
Project Workflows
ITIL
IT Service Management
ServiceNow
Business with 10-99 Employees
XML
JavaScript
HTML
jQuery
AngularJS
Bootstrap
$50 hourly
- 5.0/5
- (11 jobs)
"Certified Cloud Expert | x-Team Lead, Infrastructure @ DigitalOcean" Certifications: ✅ GCP Certified Professional Cloud Architect ✅ GCP Certified Professional Cloud Security Engineer ✅ GCP Certified Professional Data Engineer Summary: As a Certified Cloud Security Expert, I am committed to delivering comprehensive solutions and ensuring the utmost security for cloud infrastructure across GCP, AWS, and Azure platforms. With a focus on scalability and protection, I have successfully supported 8-figure SaaS startups and enterprise applications. My expertise spans: - Cloud Platforms: GCP, AWS, Azure - Managed-Compute Services: Compute Engine, App Engine, Cloud Run, EC2, Azure VMs - Application Development: ReactJs, NextJS, GatsbyJs, NodeJs, ExpressJs, NestJs, Python Django, Flask - Managed SQL/NoSQL/Storage: Cloud SQL, BigTable, BigQuery, Firestore, Cloud Storage, RDS, Azure SQL Database, Azure Blob Storage - Networking: IP subnetting, routing, firewall rules, VPC, LoadBalancer, Cloud DNS, Cloud CDN, Azure Virtual Network, Azure Load Balancer - Monitoring: Google Cloud Operations suite, ELK, Prometheus, Grafana, Azure Monitor, Azure Log Analytics, AWS CloudWatch - Big Data: BigQuery, Pub/Sub, Dataproc, Dataflow, Dataprep, DataStudio, Azure HDInsight, Azure Data Lake, AWS Glue - Containerization: Docker, Docker Compose, Docker Swarm, Kubernetes, Azure Kubernetes Service, AWS Elastic Container Service - CI/CD: Jenkins, Cloud Build, Github Actions, Azure DevOps, AWS CodePipeline - IaC: Terraform, Cloud Formation, Cloud Deployment Manager, Azure Resource Manager, AWS CloudFormation - GitOps: Argo, ArgoCD, FluxCD With a proven track record of success and a commitment to excellence, I am ready to collaborate with you to secure and optimize your cloud infrastructure across multiple platforms. Let's work together to achieve your goals and drive innovation in the cloud space!

REST
Flux
RESTful Architecture
Solution Architecture Consultation
Software Architecture & Design
Web Development
Google Cloud Platform
Python
Kubernetes
Amazon Web Services
Docker
Terraform
$40 hourly
- 5.0/5
- (5 jobs)
I'm a passionate DevOps engineer with 5 years of experience in building, automating, and optimizing software development lifecycles. I can create steadfast pipelines that automate build, test, and deployment processes, accelerating your time to market. I can configure monitoring tools to identify and troubleshoot issues proactively. I'm also skilled in performance optimization techniques. I'm proficient in: Programming languages: Python, Bash Cloud platforms: AWS, Azure, GCP CI/CD tools: AWS Code Pipeline, Jenkins, GitLab CI/CD, GitHub Actions IaC: AWS CloudFormation, Terraform Configuration Management tools: Ansible Containerization technologies: Docker, Kubernetes Monitoring & Alerting: Prometheus, Grafana What I Can Do for You: 1- Architect and manage scalable, high-availability cloud solutions tailored to your needs. 2- Develop and optimize continuous integration and continuous delivery pipelines to accelerate your development lifecycle. 3- Containerize applications, Automate repetitive tasks, Set up comprehensive monitoring and alerting systems and Implement robust security measures. Keywords: DevOps, Infrastructure as Code (IaC), CI/CD, GitHub Actions Cloud, Automation, Monitoring, AWS, Azure, GCP, Jenkins, Gitlab, Terraform, Ansible Ready to take your software development process to the next level? Let's discuss your project! P.S., I'm a strong communicator and collaborator, working effectively with developers, operations teams, and stakeholders.

REST
NGINX
RESTful Architecture
Django Stack
Amazon Cognito
AWS CloudFront
AWS Lambda
AWS CodeDeploy
DevOps
AWS CloudFormation
AWS Fargate
Amazon EC2
Docker
Terraform
Amazon ECS
Amazon Web Services
$55 hourly
- 5.0/5
- (39 jobs)
I'm professional Full Stack Developer, working in this sphere more than 13 years. During my career I was concentrated on web projects, and mostly these projects were driven by ASP.NET, MVC, PHP, MS SQL and MySQL on server, and JavaScript on client. By years I was knowledgeable not only in these technologies, but also with different frameworks, which allow to make development faster. But right now I'm concentrating not only on the technologies, but I'm focusing on problems of my clients, and my goal is talk with client, understand their problems and solve it successfully, using all my big experience and finally make client happy. And I think I'm successful in this, please just check feedback from my previous clients in the profile. I'm always open for new opportunities, so if you need any assistance, please just contact me. I can work in any time zone required. As well I'm also in touch with small group of developers, who can help me with your project, in case you need any boost in development I am proficient in the following technologies, concepts, programming languages and development tools: - C# - ASP.NET - MVC5 - .Net Core - Azure DevOps - SQL Server - MySQL - Google Maps API (and other Google APIs), - Joomla, - PHP, - Wordpress - Android - iOS - CSS - Javascript - jQuery

REST
API
MVC Framework
Jira
.NET Core
GitHub
RESTful Architecture
API Integration
SQL
WordPress
JavaScript
Azure DevOps
jQuery
C#
ASP.NET
ASP.NET MVC
Microservice
$80 hourly
- 5.0/5
- (16 jobs)
We build - Windows Applications (C# .net)(Desktop, Mobile, Handheld) - MS Office Add-ins (Outlook, Excel, Word etc) - Android Apps using Xamarin we handle: - MySQL, MS-SQL, SSIS - Windows Services - REST APIs (Twitter, Facebook, MailChimp, SurveyMonkey etc) - Ecommerce Integration/Automation (Shopify, Magento, MercadoLibre) - Payment Card Terminals Integration with POS (Android, Windows) - Thermal/POS/Label/Barcode Printers (Intermec, Zebra, Epson etc) - Virtual Printer Solutions - MetaTrader4 using NJ4X API - TCP/IP, WCF Server-Client Apps - Integrate: ZKTeco biometric devices, Smart Cards, RFID, GSM, GPS, RS232 devices - Hardware like Weighing Scales, Modbus devices etc. - Raspberry Pi using Mono and Windows IoT and more

REST
Android
Arduino
Microsoft Excel
C#
Zebra Programming Language
MySQL
MetaTrader 4
Microsoft Outlook Development
Microsoft Windows
Raspberry Pi
TCP/IP
RS-232
RESTful Architecture
SQL
$45 hourly
- 5.0/5
- (6 jobs)
🏆 Top Rated Upwork Freelancer 🎯 100% Job Success ✅ Multiple Mobile App success stories ⭐ 5-star reviews from satisfied clients Hello, I am Sherry I architect, design, and develop Enterprise mobile apps in Xamarin and .NET MAUI. Highly proficient in the following: ✔ .NET / C# ✔ Xamarin / .NET MAUI (iOS, Android, Windows, macOS) ✔ MVVM ✔ WinUI / UWP ✔ Azure / AWS / Google Cloud ✔ ASP.NET Core (Microservices) ✔ REST API Integration ✔ Data Analytics (Firebase Google Analytics, AppCenter) ✔ Payment Gateway Systems (Stripe, Paypal) ✔ UI Libraries (Syncfusion, Grial, DevExpress) ✔ QRCode and Barcode scan Integration Furthermore, I use DevOps to frequently deliver apps by setting up a CI/CD pipeline and automating the deployment and release process. The following tools I use for this approach: ✔ Azure DevOps ✔ GitHub Actions ✔ Jenkins ✔ Gitlab CI From startups to the enterprise world, I've worked on various SaaS products targeting multiple Industries like Finance, Marketplace, E-commerce, and Insurance, Water management systems. In 8 years of working mostly with Australian, European, and USA clients/companies in multiple time zones, I've always been assured of delivering quality work. Voluntarily love to create, work, and contribute to open source sustainable products (Environment and Climate-friendly 🌏 + 🌱 = ❤️) which make a great impact in making our planet cleaner and Green mostly by reducing CO2 emissions. Best Regards Sheharyar Shahid

REST
Azure DevOps
Microsoft Azure
CI/CD
iOS Development
Xamarin
C#
.NET Core
Model View ViewModel
RESTful Architecture
ASP.NET Web API
Universal Windows Platform
Android
Mobile App Development
iOS
SQL
$35 hourly
- 5.0/5
- (19 jobs)
I would summarize myself as a hardworking ambitious enthusiast for learning and enhancing my skill, prioritizes client support, critical thinking, and communication to achieve technology and computer science goals. Accomplished Software Engineer with years of successfully developing software and systems for high-traffic social networking services. Excellent verbal and written communication skills and ability to interact effectively. My skills include but not limited to: Python Django Node Express AWS Heruko

REST
Amazon ECS
AWS Lambda
RESTful API
API
Amazon Web Services
RESTful Architecture
PostgreSQL
Django
Flask
JavaScript
Node.js
MongoDB
Python
ExpressJS
$20 hourly
- 5.0/5
- (15 jobs)
Hello, I am an experienced developer who is passionate about delivering quality work for you. I have experience in developing web applications using PHP, MySQL, HTML, CSS with standard MVC frameworks like CodeIgniter, Laravel, Yii, and CakePHP. I like to learn and implement new technologies and welcome the challenges. Quick implementation of your idea and design to CodeIgniter, Yii, or Laravel framework in back-end/ Reactjs, jQuery or vue.js in the front-end is my core expertise. I gained expertise in the following fields: Back-end skills: - Custom PHP - Object-Oriented PHP - PHP Frameworks: (Laravel, CodeIgniter, CakePHP, Yii) - MySQL - REST API's - GIT( Github, BitBucket) Front-end skills: - JavaScript - ReactJS - JQuery, AJAX - Vue.js - HTML5 - CSS3 - Bootstrap If you have any work related to Laravel, CodeIgniter, Yii, or Custom Web Development, then you are at the right place. Thank you for taking your time to review my profile. I'll be happy if get the opportunity to work for you. Thank you!

REST
MySQL Programming
Yii2
Stripe
CSS
MySQL
Twilio API
API Integration
jQuery
RESTful Architecture
HTML
Bootstrap
CodeIgniter
PHP
AJAX
Laravel
React
Custom PHP
$15 hourly
- 5.0/5
- (3 jobs)
I'm a full-stack developer with extensive experience in MERN stack, Magento, Shopify development, Microservices, and serverless AWS technologies such as Docker, ECS, Amazon Lambda, API gateway, Amazon S3, DynamoDB, and many more. I strive to make sure that every client I work with is extremely happy with both the end result and the journey along the way. Beating deadlines, and coming under budget are a few key ways I help clients. My Core expertise includes: - Node.js (Express.js/JWT Auth/GraphQL/Socket.io/Redis/Sequelize/Mongoose), Javascript, ES6/ES5 - ReactJS, NextJS, GatsbyJS & Redux - Angular, VueJS - MVC /C# - Python, Django, Flask - Rabbit MQ, Azure Service Bus - React Native Database / Storage: - S3, BlobStorage - EBS - NoSQL: DynamoDB & CosmosDB & MongoDB & Elastic - RDS: PostgreSQL & MySQL & SQL Server - Basic ETL & Redshift - Redis API Gateways: - Node.js and Python Lambda functions - Custom authorizers - Traditional APIs Infrastructure: - Infrastructure as code with AWS CloudFormation - VPC configuration and networking - ELB and ALB loader balancers - Route53 DNS, SSL Certifications & Domain transfers - CloudFront CDN Notifications: - SNS - SMS and SES Email - Mobile push notifications - Pusher Let's connect so we can turn your dreams into reality.

REST
Ecommerce
AWS OpsWorks
AWS Application
Web Application
Node.js
NestJS
React
Next.js
MongoDB
MySQL
API
PostgreSQL
RESTful Architecture
RESTful API
$20 hourly
- 5.0/5
- (24 jobs)
Oracle Certified Professional Java Developer, Spring Boot developer, Full stack developer & solutions provider. Are you looking for all-inclusive, reliable microservices and responsive web app development? Or a full-stack developer who fully understands and fulfills your unique requirements with custom solutions? Do you have time or other constraints that prevent you from hiring full-time, in-house specialists for your project? Don’t worry! You’ve found the right person. I am Salman, a Full-Stack Microservices and Responsive Web developer with over 12 years of developing, implementing, and maintaining high-quality & customized backend and web-based software solutions across various industry sectors. I’m always willing to go above and beyond and make myself available, to answer queries, provide quick fixes or status updates, and meet tight deadlines. I have experience with: ✅ Java, Java Core, Java EE ✅ Spring Boot, Spring MVC ✅ Spring Boot Data, Spring JPA Data ✅ Spring Security ✅ Apache Struts ✅ Microservices ✅ RestAPI / Restful API Development ✅ OpenAPI/Swagger, Postman ✅ API Integration ✅ JPA, Hibernate ORM ✅ Java Concurrency ✅ Relational Database (RDBMS): MySQL, MSSQL Server, PostgreSQL, IBM DB2 ✅NoSQL Databases: MongoDB, AWS Dynamo DB ✅ Container Orchestration: Kubernetes, Helm Chart ✅ DevOps Skills: CI/CD, Kubernetes, Helm charts, Docker, Github Actions, GitHub, Ansible ✅Cloud Experience: GCP, AWS, AWS SDK ✅ JSP / Java Server Pages ✅ JSF / Java Server Faces / Jakarta Server Faces ✅ Thymleaf ✅ React JS, Bootstrap, Material CSS, HTML, CSS, Javascript, JQuery 🌟 WHY CHOOSE ME OVER OTHER FREELANCERS? 🌟 ✅ Quality-Oriented: I focus on providing VALUE to all of my Clients and Earning their TRUST. Delivering with quality is the key to gaining trust, and that's where I put my core focus. ✅ Over-Delivering: This is core to my work as a Freelancer. My focus is on GIVING more than what I expect to RECEIVE. I take pride in leaving all of my Clients saying "WOW." ✅ Adaptive to changes: During Software Development Lifecycle, it is highly likely some changes might be needed. I understand this and open to any changes. The end goal is to make my client achieve his target, and the objective is to make his/her business more profitable. ✅ Responsiveness: Being extremely responsive and keeping all lines of communication readily open with my Clients. ✅ Respect: Self-respect is everyone's right. I belong and thrive in a work culture where everyone's self-respect is of utmost importance. Maintaining relations with my clients to boost their self-respect is one of the core offerings that I can offer here. Have any questions? Want to discuss your project? Or do you want to get advice? Drop me a message, and we will have a quick call to understand your requirements so that to help you 100% according to your desires :)

REST
Core Java
Spring Security
RESTful API
Java
Spring Data JDBC Extensions
Web Development
Kubernetes
Spring Data
Spring Boot
React
Spring Framework
Microservice
RESTful Architecture
Hibernate
Spring MVC
$25 hourly
- 5.0/5
- (27 jobs)
Experienced Software Developer with over 6 years of expertise in architecting and developing innovative mobile and web applications across various industries, including e-commerce, social networking, public transportation, entertainment, productivity, healthcare, and identity verification systems. 📱 Android Development: From e-commerce to health care, I have architected and developed Android apps that empower users. My strengths include: UI/UX Design: Crafting intuitive interfaces using material design components. App Architecture: Implementing MVVM, MVC, MVP, and MVI patterns. Dependency Injection: Utilizing Dagger-Hilt for efficient code management. Concurrency: Expertise in Kotlin coroutines for smooth multitasking. Smart TV & Media Apps: Proficiency in Leanback libraries, Exoplayer, and more. Security & Compliance: Ensuring secure TLS, CCPA/GDPR compliance. Google APIs/SDKs: Harnessing Geofencing, Admob, Map SDK, and more. 🌐 Web Development: I excel in creating web solutions that align with business goals: Frontend: SwiftUI, Reacts for seamless user experiences. Backend: ktor, Nextjs, Typescript Databases: Handling MySQL, SQL, SQLite, Firestore, Postgres SQL, and Faunadb. CI/CD: Expertise in GitHub actions for continuous integration. Version Control & Deployment: Git, Subversion, Gitlab, and platforms like Heroku, Netlify. Vercel UI/UX & Languages: Adhering to Material Design principles, using Java, Kotlin, HTML/CSS, JavaScript. Cross-Platform: Skills extend to React Native for versatile solutions. AWS: Cloudfront, S3, Route 53, EC2, RDS, SES. Other: OpenAI, ClaudAi Integrations, SocketIO, Netty, Webrtc 🔑 Key Strengths: Collaborative Approach: Believing in the power of teamwork and effective communication. Quality First: Never compromising on delivering high-quality solutions. Enhanced UX: Paying keen attention to user experience and accessibility. 🏆 Achievements: Meta Android developer: Credential - Q9Z4PR7Q38HS AWS Certified Cloud Practitioner: Credential - LGSHXDK1Z1RQQMWT Certified Cloud Native Computing: Credential - PIAIC90157 I'm committed to excellence and eager to contribute my technical prowess to your projects. Let's connect and discuss how I can elevate your web and mobile ventures.

REST
Android
Amazon Web Services
Mobile App Development
JetPack
Dependency Injection Framework
RESTful Architecture
Java
Push Notifications
Payment Gateway Integration
Web Application
Version Control
Google APIs
User Authentication
Kotlin
Firebase
$25 hourly
- 5.0/5
- (10 jobs)
I’m a seasoned Software Engineer specializing in Rails and Angular, with a robust track record of engineering innovative web solutions for businesses ranging from startups to large enterprises. My deep expertise in web development is complemented by years of experience where I've consistently delivered projects that meet and exceed client expectations. As a Development Manager, I excel in leading diverse teams through the complexities of software projects, ensuring we stay on track with timelines and budgets. My leadership is defined by clear communication, collaboration, and an unwavering commitment to fostering an environment ripe for innovation. This approach has consistently resulted in high-performing teams and stellar project outcomes. I pride myself on being at the forefront of web development, constantly integrating the latest technologies and trends to ensure every solution is scalable, secure, and maintainable. My meticulous attention to detail means that I deliver solutions that are not only robust and functional but also visually appealing. Beyond technical prowess, my interpersonal skills stand out. I build and maintain strong relationships with clients and team members alike, which helps in crafting tailored solutions that truly resonate with user needs. I am committed to continuous learning and staying ahead in a fast-evolving industry, reflecting my passion and dedication to the field. I am here to bring your vision to life with cutting-edge solutions that are meticulously crafted and executed. Let's collaborate to create something extraordinary!

REST
Front-End Development
Ionic Framework
Payment Gateway Integration
GitHub
HTML
jQuery
CSS
PostgreSQL
JavaScript
RESTful Architecture
TypeScript
React
Angular
Ruby
Ruby on Rails
$30 hourly
- 5.0/5
- (65 jobs)
I am a skilled Backend Expert with extensive experience in API development, integration, and building intelligent, AI-powered solutions. I deliver complex backend systems and innovative conversational AI capabilities tailored to diverse business needs. My expertise includes: API Development & Integration: Creating and integrating RESTful, Chat, and Streaming APIs for seamless communication and enhanced functionality. Conversational AI Solutions: Leveraging Flowise and LangChain to build intelligent chatbots that integrate with backend systems and third-party APIs. GIS Data Expertise: Extracting, manipulating, and analyzing geospatial data, including OpenStreetMap integrations. Backend Architecture: Designing scalable, secure backend systems optimized for performance and growth. Technologies: Proficient in PHP and Python, using modern frameworks and libraries for robust backend development. I combine technical expertise with a collaborative approach to deliver high-quality, efficient, and reliable solutions. Whether you need custom backend development, AI-powered conversational interfaces, or advanced geospatial solutions, I’m here to help bring your vision to life. Let’s collaborate to create scalable, future-ready solutions that drive success.

REST
Deployment Automation
SaaS Development
Payment Gateway
System Automation
CRM Automation
WooCommerce
OAuth
WordPress Development
Database Architecture
API Development
RESTful API
RESTful Architecture
API Integration
PHP
Laravel
$30 hourly
- 5.0/5
- (41 jobs)
I'm web developer, my area's are PHP/Rails, I love to work with ruby. Interested in working new technologies like Server Side javascript (NodeJS), Redis (key value hash store). I love open source tools that's why I also program in Android.

REST
API
Heroku
Database Architecture
RESTful Architecture
Docker
React
AJAX
Ruby
PostgreSQL
Ruby on Rails
jQuery
MySQL
MongoDB
Node.js
JavaScript
$25 hourly
- 5.0/5
- (55 jobs)
✨ Hi, Welcome to my profile! ✅ I'm Atif, a full stack developer with over six years of experience working with clients in SaaS, Fintech, Healthtech, Martech, Retail, Real Estate, and among other areas. I help my clients with the entire software development process from scratch to delivery. Here’s what my clients say about me: ⭐️⭐️⭐️⭐️⭐️ "Atif and his team is very knowledgeable and good to work with. I have hired them in the past and will hire them again. Recommended!" ⭐️⭐️⭐️⭐️⭐️ "This was a great experience, Atif is super to work with. He and his team supported us very well and delivered above and beyond on every task. We will certainly use him again I would strongly recommend his services." ⭐️⭐️⭐️⭐️⭐️ "Atif is a great asset, is punctual, hard-working, and dedicated. His work shows his experience and knowledge!" Not convinced yet? Here’s why you should hire me: ✨ I take the lifetime ownership of my code. Even if you come after 10 years pointing me to a problem in my code, I will fix it and will fix it for FREE. This is how much I am confident about my code. ✨ Honest, ambitious, confident self-starter with a professional attitude and excellent troubleshooting, presentation, planning and execution skills. ✨ Prompt and effective English communication (chat, voice, and video) skills is what I adhere to and consider one of my strengths. ✨ Extremely hard-working and will always strive to deliver an excellent product. ✨ You can expect an ability to work 10-12 hrs/day, less than 24 hours response time, clean code, optimal solutions, and regular updates. Back-end skills: ✅ PHP (prefer to use OOP and MVC pattern) ✅ PHP Frameworks (Laravel Framework) ✅ MySQL, MongoDB, Firebase (database design, complex queries, data optimizations), Others (AJAX, REST, JSON, XML) ✅ Payment Gateways Integration (PayPal, Braintree, Stripe, etc) ✅ Version Control (GIT, BitBucket) ✅ Project Tracking (Basecamp, Bitbucket, Trello, etc.) ✅ Third Party APIs Integration (Google, Facebook, Twitter, Amazon, Instagram etc) ✅ CRM Integrations (Salesforce, Zoho, Marketo, ConverKit) ✅ RestFul API, Microservices Development ✅ Node.js ✅ Node Frameworks (Express.js, Sails.js) Front-end skills: ✅ React.js ✅ Angular.js ✅ HTML/XHTML ✅ JavaScript (jQuery, jQuery Mobile) ✅ Visual data representation (Google, HighCharts, Amcharts) ✅ Testing (Cross-Browser, Cross-Device) ✅ Web Optimization (Google Page Speed, YSlow, Mobile Web Performance) Ready to get started on your projects? Connect with me now to discuss your requirements and get started :)

REST
Web Development
React
Sails.js
Mobile App Development
Salesforce CRM
Node.js
Database Management
API Development
RESTful Architecture
PHP
Laravel
SaaS
$20 hourly
- 4.8/5
- (72 jobs)
⭐️ Top Rated - Top 10% of talent on Upwork ✅ .NET Development (Desktop & Web) ✅ Mobile Development (Flutter, Xamarin, MAUI) ✅ Blazor Web Assembly & Server ✅ ABP Framework ✅ NopCommerce Customization ✅ Theme, Plugin, Widget, and Payment Development ✅ Font End -- HTML, CSS, Javascript, JQuery, Angular, React ✅ MS SQL, MySQL, PostgreSQL, MS Access, SQLite Hi, I'm a highly skilled full-stack developer with over 9 years of experience in developing robust and scalable web applications. I have a strong foundation in various programming languages such as C#, JavaScript, VB, and ASP.net and have hands-on experience in frameworks such as Blazor, Angular, an d React. My expertise includes the full software development lifecycle, from requirement gathering and analysis to deployment and maintenance. I have a proven track record of delivering projects on time, within budget and to a high level of quality. I possess excellent problem-solving skills, enabling me to tackle complex technical challenges with ease. I have experience working with different databases such as MS Sql, MySQL, MongoDB, and PostgreSQL, and have a deep understanding of RESTful API design and implementation. I am also familiar with cloud computing platforms such as Azure, AWS and Google Cloud, which allows me to build and deploy scalable applications that can handle high traffic and demand. I have excellent communication skills and can communicate effectively with technical and non-technical stakeholders.

REST
JavaScript
ASP.NET Web API
nopCommerce
Ecommerce SEO
.NET Core
Windows App Development
Ecommerce
Web Design
API Integration
API Development
ASP.NET MVC
SQL
C#
ASP.NET Core
RESTful Architecture
$30 hourly
- 4.9/5
- (100 jobs)
A machine learning enthusiast interested in turning your meaningless data into actionable information. I have 6 years of experience in machine learning with a total experience of 9 years in software development and I like to solve real-life problems. I have a master's degree in machine learning. I manage a team of 25 engineers and we deliver end-to-end ML products. We have delivered some exciting products including AffectCX [A live bot to help pharma sales officers], Conversational AI platform and a card grading app. Technology Stack: Python (Complete scientific stack), PyTorch, TensorFlow, Keras, OpenCV, Caffe2, MxNet, Fastai Machine learning Stack: ChatGPT, OpenAI, GPT-3, GPT-4, Dall-E, Llama-2, alpaca, Whisper, RandomForests, KNN, KMeans, SVM, Logistic Regression, Neural Networks (ANN), CNNs, GANs, RNNs, BERT, Transformers, LLMs Problems I have worked on: Image Classification, Object Detection, Face Recognition, Neural Style transfer, Sentiment Analysis, Time-Series Forecasting, Text Classification, Information Retrieval, OCR, Agronomy Chatbot, and Reinforcement Learning for a Game Agent. Interesting projects: Agronomy Chatbot, AffectCX [A live bot to help pharma sales officers], Conversational AI platform, Pokemon Card grading app, Image Steganography, Image Super-resolution, URDU OCR, and Conversation detection, Above all, I am a quick learner and like to face challenges head-on! Clients who have worked with me like the commitment and the quality of work I do. Feel free to contact me.

REST
HTML
jQuery
Data Visualization
RESTful Architecture
Data Mining
API
Deep Neural Network
Flask
Machine Learning
Python
OpenCV
Semi-Supervised Learning
Deep Learning
Recommendation System
TensorFlow
$25 hourly
- 5.0/5
- (80 jobs)
9+ years experience including 2 projects with Department of Motor Vehicles, District of Columbia, USA. My strongest skills are PHP, MySQL, Ms SQL server, Node.js, Ajax, jQuery, Javascript, Bootstrap, HTML5, CSS3, Sass, Gulp, Grunt. • PHP Frameworks : Codeigniter • PHP-CMS : WordPress(Plugin Development, Child themes) • Version Control: SVN, Git • WEB Server: LAMP, WAMP • Payment Gateways: PayPal Checkout, Braintree • Web services: REST-compliant Web services(XML, JSON), SOAP

REST
RESTful Architecture
AJAX
Node.js
JavaScript
PHP
Yii
HTML5
MySQL
CodeIgniter
jQuery
$30 hourly
- 5.0/5
- (16 jobs)
A graduate Software Engineer and having overall 10+ years of extensive hands on experience in developing Desktop and Web applications. Core expertise in Windows Applications (WPF/Winforms), Web/Windows Services, Web Applications development (ASP.NET MVC), testing, implementation and maintenance. A Software Engineer having great experience with all stages of Software Development Life Cycle including designing, developing, testing and rolling out complex scenarios. Result oriented, self-driven, highly motivated smart and hungry to learn new technologies, methodologies, strategies and processes. - C# - Vb.Net - Asp.Net - MVC - WPF - WinForm - SignalR - Restful api - Web Api - Soap Api - WCF - Bootstrap - jQuery - Javascript - CSS

REST
.NET Core
API
Windows Forms
SQL
ASP.NET MVC
JavaScript
Visual Basic
Microsoft SQL Server
jQuery
ASP.NET
RESTful Architecture
C#
ASP.NET Web API
Desktop Application
Windows Presentation Foundation
$30 hourly
- 4.9/5
- (30 jobs)
🏆 Top-Notch Freelancer on Upwork 🌟 Worked with Fortune 500 companies 🚀 1,000+ hours of work 🎯 30+ projects delivered 🧑‍💻 Web & Generative AI Applications expert with 8+ years of experience Hi, I am a highly motivated and skilled Software Developer passionate about creating impactful web applications and leveraging Generative AI to deliver innovative solutions. With extensive experience in web development and advanced AI capabilities, I specialize in building applications that integrate OpenAI and ChatGPT for intelligent content generation, AI-driven chatbots, and automated workflows via seamless API integration. I thrive as both an independent developer and a collaborative team member, consistently delivering solutions that address real-world challenges and exceed client expectations. 🛠️ **KEY SKILLS** 🌟 Full-stack development for end-to-end application creation 🌟 Generative AI expertise, including ChatGPT integration, for conversational AI and content automation 🌟 AI chatbot development for enhanced customer engagement and intelligent support 🌟 OpenAI API integration to enable innovative, AI-driven features and workflows 🌟 Agile methodology for efficient, collaborative project delivery 🌟 UI/UX design principles to create engaging and user-friendly interfaces 🌟 Performance optimization and responsive design for a seamless cross-device experience Whether you need a versatile full-stack developer or an AI specialist to elevate your project, I am dedicated to delivering top-quality, innovative solutions that drive user satisfaction. Feel free to connect with me to discuss how I can contribute to your next development endeavor!

REST
Artificial Intelligence
Generative AI
Web Design
MERN Stack
PostgreSQL
GraphQL
RESTful Architecture
Amazon Web Services
Web Development
TypeScript
JavaScript
Web Application
Node.js
Next.js
React
$30 hourly
- 4.9/5
- (8 jobs)
C#, dotnet core, ASP.NET, MVC, WebForms, WinForm, Web API, Java Script, JQuery, AJAX, Json, HTML5, CSS3, AWS, Azure Devexpress, Devextreme, Jquery datatables LINQ, Entity Framework, ADO.NET, Dapper.Net, XML, SQL Server SSRS, RDLC Reports, Crystal Reports OOP, Tiers and Layers Architecture, Database Design and Programming, AWS GitHub, TFS, Paypal Express Checkout, Authorized.net Payment Gateway, Python, SQL Power BI, Pandas, NumPy, Matplotlib, Seaborn, Excel TensorFlow, Keras, YOLO, scikit-learn, NLTK, SpaCy, Hugging Face Transformers, OpenAI API, OpenCV VS Code, Jupyter Notebook, Docker, Linux I am a professional, passionate, results-driven, customer-focused, articulate and analytical Software Developer with 9+ years experience. I always think “out of the box”. My top most priority is to deliver results on time. My objectives are happy client, learning, earning, growth, 5 star rating and excellent feedback.

REST
Microsoft Azure
React
Machine Learning
Microsoft Power BI
Python
RESTful Architecture
ASP.NET Core
Angular
Database Architecture
HTML5
JavaScript
API Integration
DevExpress
ASP.NET MVC
Microsoft SQL Server Programming
C#
.NET Framework
$20 hourly
- 5.0/5
- (22 jobs)
⏳𝟕+ 𝐘𝐞𝐚𝐫𝐬 𝐨𝐟 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 𝐢𝐧 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 ✅𝟐𝟎+ 𝐒𝐮𝐜𝐜𝐞𝐬𝐬𝐟𝐮𝐥 𝐏𝐫𝐨𝐣𝐞𝐜𝐭𝐬 | 𝐖𝐨𝐫𝐤 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 𝐰𝐢𝐭𝐡 𝐋𝐞𝐚𝐝𝐢𝐧𝐠 𝐂𝐨𝐦𝐩𝐚𝐧𝐢𝐞𝐬 𝐚𝐧𝐝 𝐒𝐭𝐚𝐫𝐭𝐮𝐩𝐬 🔰 𝐓𝐨𝐩-𝐑𝐚𝐭𝐞𝐝 𝐅𝐫𝐞𝐞𝐥𝐚𝐧𝐜𝐞𝐫 | 𝐏𝐫𝐨𝐯𝐞𝐧 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 𝐢𝐧 𝐖𝐞𝐛, 𝐁𝐥𝐨𝐜𝐤𝐜𝐡𝐚𝐢𝐧 & 𝐀𝐏𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 With my Excellent Experience as a Full Stack Developer, delivering high-performance Web apps and driving excellence across front-end and back-end development. Whether you’re a startup or an established company, my expertise ensures scalable, efficient, and user-friendly digital solutions. 𝐊𝐞𝐲 𝐒𝐤𝐢𝐥𝐥𝐬 & 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 Front-End Excellence: 💡 React, Angular, Vue.js, JavaScript, HTML5, CSS3 Back-End Expertise: 🚀 Node.js, Express, Django, Laravel, Flask, .NET, PHP Database Management: 💾 MySQL, MongoDB, PostgreSQL Payment Integrations: 💳 Stripe, PayPal, Square, RazorPay, Klarna, Authorize.net 𝐒𝐭𝐚𝐧𝐝𝐨𝐮𝐭 𝐏𝐫𝐨𝐣𝐞𝐜𝐭𝐬 ⭐ Real-Time Chat Application: Built with React, Node.js, Socket.IO to enhance user interaction. ⭐ Scalable E-Commerce Platform: Developed using Vue.js, Laravel, MySQL, supporting high-traffic environments. ⭐ Remittance Web App: Created a secure, scalable platform for money transfer, airtime top-ups, and bill payments. ⭐ Crypto Wallet App: Developed a decentralized app using React.js, enabling seamless crypto transactions. 𝐖𝐡𝐚𝐭 𝐌𝐚𝐤𝐞𝐬 𝐌𝐞 𝐃𝐢𝐟𝐟𝐞𝐫𝐞𝐧𝐭? ✔️ Proactive Problem Solver: I tackle complex challenges, delivering results efficiently and reliably. ✔️ Tech-Savvy: I stay updated on the latest trends, ensuring modern, cutting-edge solutions for every project. ✔️ Strong Communication: I value clear, consistent communication and client feedback, ensuring the project aligns with your vision. ✔️ Collaborative Approach: I easily integrate into teams or lead projects independently, driving success in any environment. 𝐋𝐞𝐭’𝐬 𝐁𝐮𝐢𝐥𝐝 𝐒𝐨𝐦𝐞𝐭𝐡𝐢𝐧𝐠 𝐆𝐫𝐞𝐚𝐭 𝐓𝐨𝐠𝐞𝐭𝐡𝐞𝐫 If you need a skilled Full Stack Developer to bring your ideas to life, I’m here to help. Let’s discuss your project and craft a solution that exceeds your expectations.

REST
AI Chatbot
Blockchain
API
Web Development
Web Application
Next.js
Nuxt.js
Vue.js
API Integration
Node.js
MySQL
RESTful Architecture
PHP
React
Laravel
$14 hourly
- 5.0/5
- (8 jobs)
I am a Full Stack Mobile Developer with 5+ years of experience in Mobile Application Development, launched 𝟱𝟬+ 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 for my clients. I specializing in developing custom UI with responsive animations. Proficient in iOS and Android app development, I have expertise in 𝗙𝗹𝘂𝘁𝘁𝗲𝗿, 𝗥𝗲𝗮𝗰𝘁 𝗡𝗮𝘁𝗶𝘃𝗲, 𝗝𝗮𝘃𝗮, 𝗞𝗼𝘁𝗹𝗶𝗻, 𝗦𝘄𝗶𝗳𝘁, 𝗗𝗮𝗿𝘁 𝗮𝗻𝗱 𝗙𝗶𝗿𝗲𝗯𝗮𝘀𝗲. I'm committed to creating elegant and user-friendly apps with a focus on clean code and full functionality. 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: ✅React Native | Flutter | Dart | JavaScript ✅Swift | Objective C | Kotlin | Java | iOS | Android ✅Provider | Bloc | Getx | RiverPod | Restful APIs ✅Firebase | SQLite | Firebase Storage ✅XML/JSON | REST/SOAP ✅XD to Flutter | Figma to Flutter ✅ Git | Github | Gitlab | Bit bucket 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀: ✔️Frontend Development ✔️Backend Development ✔️Best Flutter app ✔️Material UI ✔️Firebase ✔️Google maps ✔️My SQL ✔️API Integration ✔️Animation ✔️Publish App on the Play Store ✔️Upgrades and Enhancements I'm here to assist you. Shoot me a message today, and let's get started on making your app/web dreams come true. It's time to shine with your very own awesome app/web! Warm Regards, Zeeshan

REST
Business with 1-9 Employees
Mobile App Development
Firebase
Swift
iOS
Android
iOS Development
Flutter
App Development
Flutter Stack
In-App Purchases
Dart
RESTful Architecture
Payment Gateway Integration
$50 hourly
- 4.9/5
- (40 jobs)
Passionate Software Engineer with 8+ years of experience in developing web and desktop apps. Skilled at writing clear, concise code that is easy to maintain and troubleshoot. Experienced in working with both small and large teams across multiple projects, companies and time zones. Able to work independently and remotely while maintaining effective communication. My technical expertise and experience include working with: - ASP.NET MVC, .NET Core, up to .NET 8.0 - C#, HTML, CSS, JavaScript, jQuery, Entity Framework, LINQ - SQL Database (MSSQL, MySQL, PostgreSQL) - No SQL (Cosmos DB, Mongo DB) - SOLID Principals, IoC, DI and more - Razor pages, Blazor (Server + Static Web App) - Unit and Integration Testing (NUnit, xUnit, MoQ) - SOAP and REST APIs, System Integration, Workflow Automation - Azure Functions / Durable Functions - Azure DevOps, VSTS, CI/CD, Azure Deployments and more...

REST
JavaScript
REST API
ASP.NET
Azure DevOps
Entity Framework
.NET Framework
Blazor
API Development
Microsoft Azure
Web Development
RESTful Architecture
C#
Web Application
ASP.NET Core
Microsoft SQL Server
$50 hourly
- 5.0/5
- (8 jobs)
I am a computer science graduate (2003) and an MBA (2012). I have also achieved a few local and international certifications that include AWS Certified Developer - Associate (2021), AWS Certified Solution Architect - Associate (2021), React Nanodegree from Udacity (2019), and Certified Kubernetes Application Developer (CKAD) (2018) from CNCF – Linux Foundation. Along with my certification, I am a highly motivated, focused and experienced Full Stack Web and Mobile Software Engineer (MERN Stack) with an extra edge of Cloud Native Computing experience especially using different AWS services. I have a good grip on making infrastructure as code using AWS CDK for different AWS services. My business administration knowledge gives me good level of comfort explaining, understanding the need of business application requirements and delivering these projects timely and in the most professional manner. My expertise includes: ✔ Front-end responsive web application using HTML, CSS, JavaScript (PWA), Material-UI, Bootstrap ✔ React, Redux and Angular for web applications ✔ Back-End using NodeJS ✔ REST APIs using Express ✔ Typescript ✔ GraphQL ✔ Microservices based Applications ✔ SQL and NoSQL databases ✔ Docker for containerized applications ✔ Kubernetes as an orchestration tool for highest scalable application which can be run on any cloud service provide including (Amazon AWS, Azure, Google, Digital Ocean, Heroku etc) ✔ Mobile Application using React Native framework ✔ Various AWS services I am also an experienced trainer and have conducted various web, mobile and cloud computing program that includes regular and fast track web and mobile boot-camps. I also had been assigned responsibility to Lead and Train in the mass scale Cloud Native Computing program which is a part of National Program “Presidential Initiative of Artificial Intelligence & Computing (PIAIC)” in Pakistan. Let's connect!

REST
Redux
RESTful API
TypeScript
RESTful Architecture
Node.js
GraphQL
Firebase
Angular
AWS Lambda
Docker
MongoDB
MySQL
React
Training
React Native
$45 hourly
- 5.0/5
- (12 jobs)
With over a decade of experience as a Principal Software Engineer, I specialize in building robust microservices, full-stack applications, and blockchain solutions. My technical expertise spans across Node.js, MongoDB, Express, Typescript, Kafka, and RabbitMQ, with extensive DevOps proficiency in AWS, GCP, and Docker-based deployments. I have integrated multiple payment gateways such as Stripe, Checkout, and Mollie into scalable systems. In the blockchain domain, I’ve deployed smart contracts, created NFT marketplaces, and collaborated with platforms like Opensea and Moralis. My full-stack development skills extend to MERN Stack, ensuring seamless client-server interactions. Looking forward to collaborating on innovative solutions!

REST
OAuth
OpenSea
NodeJS Framework
Shopify Apps
Amazon Web Services
Next.js
React
Node.js
JavaScript
NGINX
TypeScript
Web Development
Microservice
RESTful Architecture
MongoDB
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