Hire the Best REST API Developers
Surat, India
๐ Top Rated Plus | 9+ Years Experience | 7700+ Hours | 100% Job Success Hi, I'm Gopal, a Senior Full-Stack Web Developer & AI Application Specialist with over 9 years of experience delivering secure, scalable, and high-performance applications. I specialize in end-to-end development, from clean and responsive user interfaces to powerful backend systems. I also built and productionised AI platforms similar to Lovable, ChatGPT, and Base44, including private deployments, API integrations, and automation workflows. Whether you need a SaaS platform, an AI chatbot, a business automation system, an eCommerce solution, or a Base44 app rebuilt outside the platform, I deliver solutions that are reliable, maintainable, and built to scale. ๐ง AI & Automation โ Lovable-style AI apps โ ChatGPT-like conversational systems โ Base44 app duplication & migration โ AI agents & workflow automation โ API-driven AI integrations ๐งฑ Backend & Frameworks โ Laravel / Filament โ CodeIgniter โ WordPress (Custom Themes & Plugins) โ CakePHP ๐จ Frontend & Realtime โ ReactJS โ VueJS โ JavaScript (ES6+) โ jQuery / AJAX โ WebSockets ๐๏ธ Databases & APIs โ REST API development & integration โ MySQL โ MongoDB ๐ Web & Design โ HTML / HTML5 โ CSS / Bootstrap โ Social media integrations โ Photoshop I communicate clearly in spoken and written English and am known for being proactive, reliable, and deadline-driven. Client satisfaction comes from clean code, transparency, and consistent delivery.
- REST API
- MySQL
- Laravel
- CodeIgniter
- CakePHP
- React
- jQuery
- API Integration
- Payment Gateway Integration
- Vue.js
- Angular
- Ecommerce Website Development
- React Native
- ERP Software
- Medical Billing
Debre Tabor, Ethiopia
Iโm a Back-End Developer specializing in Django, Django REST Framework, PostgreSQL, and MySQL, with strong experience building secure, scalable, and well-structured APIs for real-world applications. I focus on writing clean, maintainable code, designing efficient database systems, and delivering reliable backend logic that supports smooth, high-performance user experiences. Alongside backend development, I bring solid skills in Machine Learning and Data Analytics, using tools like Pandas, NumPy, scikit-learn, TensorFlow, and Power BI to build predictive models, automate workflows, and create data-driven dashboards. This allows me to support clients who need both robust backend systems and intelligent, analytics-powered features. I have successfully completed projects with 100% Job Success, demonstrating strong communication, consistent delivery, and high-quality results. I always ensure clear documentation, proper API testing, and smooth integrations for frontend developers. #. What I Can Do for You Build and document REST APIs (JWT Authentication, CRUD, filtering, pagination) Design and optimize relational databases (PostgreSQL, MySQL) Deploy backend systems using Docker, Linux, GitHub, and cloud services Integrate Celery + Redis for background jobs and async tasks Develop ML models for prediction, classification, and automation Create interactive dashboards and data visualizations Troubleshoot, refactor, and scale existing backend systems
- RESTful API
- Python
- React
- JavaScript
- Microsoft Excel
- TensorFlow
- Docker Compose
- Kubernetes
- TypeScript
- Django
- MySQL
- PostgreSQL
- Unit Testing
- Firebase
- Microsoft Power BI
Peshawar, Pakistan
๐๐จ๐ฉ-๐๐๐ญ๐๐ ๐ ๐ฎ๐ฅ๐ฅ-๐๐ญ๐๐๐ค ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐๐ซ | ๐๐๐ ๐๐ฅ๐ฎ๐ฌ ๐ฌ๐ฎ๐๐๐๐ฌ๐ฌ๐๐ฎ๐ฅ ๐ฉ๐ซ๐จ๐ฃ๐๐๐ญ๐ฌ | ๐๐+ ๐๐๐๐ซ๐ฌ ๐จ๐ ๐๐ฑ๐ฉ๐๐ซ๐ข๐๐ง๐๐ ๐ข๐ง ๐ฐ๐๐ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐ฆ๐๐ง๐ญ | ๐๐๐, ๐๐จ๐๐๐๐ ๐ง๐ข๐ญ๐๐ซ, ๐๐๐ซ๐๐ฏ๐๐ฅ, ๐๐จ๐๐, ๐๐ฑ๐ฉ๐ซ๐๐ฌ๐ฌ, ๐๐๐ฏ๐๐ฌ๐๐ข๐ซ๐ฉ๐ญ, ๐๐ฒ๐๐ช๐ฅ, ๐๐จ๐ง๐ ๐จ๐๐ | ๐-๐๐จ๐ฆ๐ฆ๐๐ซ๐๐ ๐ฐ๐๐๐ฌ๐ข๐ญ๐ ๐ฌ๐ฉ๐๐๐ข๐๐ฅ๐ข๐ฌ๐ญ | ๐-๐๐๐๐ซ๐ง๐ข๐ง๐ ๐๐ฅ๐๐ญ๐๐จ๐ซ๐ฆ๐ฌ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐๐ซ | ๐๐๐๐ฅ๐ญ๐ก๐๐๐ซ๐ ๐๐ฉ๐ฉ๐ฅ๐ข๐๐๐ญ๐ข๐จ๐ง ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐ฆ๐๐ง๐ญ ๐๐ฑ๐ฉ๐๐ซ๐ญ | ๐๐๐๐ฅ ๐๐ฌ๐ญ๐๐ญ๐ ๐๐๐๐ฌ๐ข๐ญ๐๐ฌ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐๐ซ | ๐๐๐๐ฎ๐ข๐ฅ๐๐ข๐ง๐ ๐๐ง๐ ๐ซ๐๐ง๐จ๐ฏ๐๐ญ๐ข๐ง๐ ๐๐ฑ๐ฉ๐๐ซ๐ญ | ๐๐๐ง ๐๐๐ซ๐ญ ๐๐ฉ๐๐๐ข๐๐ฅ๐ข๐ฌ๐ญ |๐๐๐๐ค-๐๐ง๐ ๐๐ฉ๐๐๐ข๐๐ฅ๐ข๐ฌ๐ญ | ๐๐๐๐ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐ฆ๐๐ง๐ญ ๐๐ฑ๐ฉ๐๐ซ๐ญ I ๐๐ก๐ข๐ซ๐ ๐๐๐ซ๐ญ๐ฒ ๐๐๐๐ ๐๐ง๐ญ๐๐ซ๐ ๐ซ๐๐ญ๐ข๐จ๐ง ๐๐ฉ๐๐๐ข๐๐ฅ๐ข๐ฌ๐ญ | ๐๐๐ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐ฆ๐๐ง๐ญ ๐๐จ๐ง๐ฌ๐ฎ๐ฅ๐ญ๐๐ง๐ญ ๐๐ง๐ ๐๐ซ๐๐ข๐ง๐๐ซ | ๐๐๐ญ๐๐๐๐ฌ๐ ๐ฌ๐ญ๐ซ๐ฎ๐๐ญ๐ฎ๐ซ๐ ๐๐ง๐ ๐๐๐ฅ๐๐ญ๐ข๐จ๐ง๐๐ฅ ๐๐๐ญ๐๐๐๐ฌ๐ ๐๐๐ฌ๐ญ๐๐ซ | ๐ ๐ข๐ฏ๐ ๐ฌ๐ญ๐๐ซ ๐๐๐ฏ๐ข๐๐ฐ๐ฌ ๐จ๐ง ๐๐๐ ๐ฉ๐ฅ๐ฎ๐ฌ ๐ฉ๐ซ๐จ๐ฃ๐๐๐ญ๐ฌ | ๐๐ซ๐จ๐ฃ๐๐๐ญ ๐ฆ๐๐ง๐๐ ๐๐ฆ๐๐ง๐ญ ๐๐๐๐ฆ ๐๐ฎ๐ฅ๐ข๐๐ข๐ง๐ ๐๐ฑ๐ฉ๐๐ซ๐ญ | ๐๐๐ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐๐ซ ๐๐ง๐ ๐ฐ๐๐ ๐๐๐ฌ๐ข๐ ๐ง๐๐ซ | ๐๐ก๐๐ญ๐๐๐ ๐๐ฑ๐ฉ๐๐ซ๐ญ | ๐๐ซ๐จ๐ฆ๐ฉ๐ญ ๐๐ง๐ ๐ข๐๐๐ซ | ๐๐ ๐๐ก๐๐ญ๐๐จ๐ญ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐๐ซ With over 10 years of experience in web development, I specialize in building high-quality, scalable web applications for startups and established businesses. My expertise spans PHP (Laravel, CodeIgniter), JavaScript (Node.js, Express, Vue.js, React.js, and Nest.js), enabling me to deliver complete end-to-end solutions with robust backend systems and engaging front-end experiences. Key Skills and Strengths - PHP Development & Frameworks: Extensive experience with Laravel (v5โ11) and CodeIgniter to build secure, efficient, and maintainable applications. - JavaScript Mastery: Proficient in Node.js, Express, and Nest.js for backend services; Vue.js and - - React.js for dynamic, interactive front-end development. - Database Design & Management: Skilled in MySQL and MongoDB for optimized, scalable database solutions. - API Development & Integration: Proven experience in creating and integrating RESTful APIs and third-party services. - DevOps and Deployment: Knowledgeable in deploying AWS and Digital Ocean applications, setting up CI/CD pipelines, and using Git for version control. Highlighted Projects E-Commerce Platform for a Retail Startup: Built a full-scale e-commerce platform using Laravel and Vue.js with complex business logic, payment integrations (Stripe, PayPal), and third-party API integration. Scalable Backend for a FinTech Application: Designed and implemented a backend using Node.js and Nest.js, Laravel, and Codelgniter, ensuring high performance and scalability for real-time financial data processing. Interactive Learning Platform: Developed a fully responsive e-learning platform using React.js and Laravel, featuring user authentication, role-based access control, and content management. Custom CRM System for a Medium-Sized Enterprise: Built a CRM using PHP, Laravel, and MySQL, optimizing business workflows with automated processes and real-time analytics. Why Work with Me? Proven Track Record: Delivered over $70k in projects on Upwork with a Top-Rated status. Clear Communication & Reliability: I prioritize transparency and maintain consistent communication throughout the project. Quality Assurance: I follow best practices for clean, maintainable code and conduct thorough testing to ensure robust, secure applications. If youโre looking for a committed developer to bring your vision to life with expertise, reliability, and attention to detail, letโs connect!
- REST API
- API Development
- ExpressJS
- Node.js
- Web Development
- CodeIgniter
- Custom PHP
- Laravel
- Back-End Development
- MongoDB
- PHP
- MySQL
- ChatGPT API Integration
- JavaScript
- Chatbot Development
Lynchburg, Virginia
I build production-ready applications for startups and SaaS companies, with deep expertise in Supabase, Stripe, and modern full-stack architecture. My recent work includes AI voice agents, multi-tenant marketplaces, and workflow automation systems handling real users and real payments at scale. I help founders launch MVPs that are built to grow, not just built to work. I deploy custom builds in 3-6 weeks, ready to onboard users. Tailored to your market, whether SaaS, marketplace, or startup. Key Achievements: TikTok Creator Marketplace Built a production marketplace that generated 100M TikTok views and distributed $15,000 to 200+ creators: - Dual payment processing (Stripe Connect for brands, PayPal for creators) - TikTok API integration with Apify web scraping for campaign data - Trigger.dev automation scaling email campaigns to 1000+ creators - Multi-tenant architecture with proper data isolation AI Voice Agent System Production voice agent conducting structured assessments (9 sections, 22 subsections): - Eleven Labs voice integration with real-time database sync - Hybrid validation where AI verifies manual input and asks follow-up questions - Transcript processing extracting structured insights from conversations - Deployed to production handling automated data collection at scale Mental Health RAG Chatbot - Built multi-tenant SaaS with RLS policies protecting customer data - Auth flows with MFA enforcement and session management - Vector DB + RAG for AI-powered features, with chat context and transcribed therapy sessions By leveraging AI tools like Claude Code, modern frameworks, integrations like Supabase and Stripe, and a collaborative approach, Iโve consistently delivered high-quality solutions faster and more efficiently. I take app ideas in any niche from clients, and spec and build out an infrastructure and user experience from scratch. My experience includes teaching two web development boot camps, and providing ongoing guidance to developers seeking consistent support and measurable progress. I enjoy communicating to non-coders about my implementations in ways they can understand them. I excel at: - Collaborative problem-solving: Working closely with designers, developers, and stakeholders to deliver features that balance technical precision and user experience. - Building dynamic marketplaces with real-time data tracking and automated payments. - Full-stack development with a focus on Supabase, React, Node.js, and API integrations. - Impact-driven solutions: Leveraging my skills and tools to meet deadlines, exceed expectations, and contribute measurable value to your projects. Core Stack: - Frontend: React, Next.js, React Native, Tailwind CSS - Backend: Supabase (Postgres, RLS, Edge Functions, Auth, Storage, Vector DB, RAG) - Payments: Stripe (Connect, Subscriptions), PayPal API - AI: OpenAI, Claude, Eleven Labs, vector databases, RAG - Automation: Trigger.dev, n8n, Zapier workflow orchestration - Infrastructure: Vercel, AWS, Railway AI-Assisted Development: Claude Code, Cursor (delivering 2-3x faster without sacrificing quality) What Makes Me Different? - Efficiency with AI: I use modern tools like Cursor AI to deliver faster, more cost-effective solutions, allowing you to focus on what matters most. - Attention to detail: I ensure designs are perfect across all devices, creating engaging, accessible experiences for your users. - Results-oriented mindset: My goal is to help you achieve measurable business outcomes through technical excellence. Ready to launch? Whether itโs a mobile app, a marketplace, or just hooking up Supabase and Stripe, Iโll help you ship faster and with confidence.
- REST API
- React
- TypeScript
- HTML
- CSS
- Jest
- JavaScript
- Redux
- GraphQL
- Front-End Development
- AWS Amplify
- Next.js
- Material UI
Lahore, Pakistan
๐๐ MVP / SAAS Specialist Expertise in | AI Developer | RAG | LLM | AI Integration | Python | OpenAI API Integration | Artificial intelligence | Machine Learning | Langchain | Django React JavaScript | FastAPI | AI agent | AI App Development | AI bot | AI chatbot | AI Agent | Restful API | PostgresSQL | Botpress | PostHog | MCP Server | Multi-Agents/Multiple Agents | Voice AI ๐ ๐ ๐๐ฎ๐ข๐ฅ๐ ๐๐ง๐ ๐๐๐ฉ๐ฅ๐จ๐ฒ ๐๐ฎ๐ฌ๐ญ๐จ๐ฆ ๐ฐ๐๐ ๐๐ฉ๐ฉ๐ฅ๐ข๐๐๐ญ๐ข๐จ๐ง๐ฌ, AI-Powered MVP, AI Healthcare Tools, AI Writing Tool, GPT Clone, Full Stack Application, Multi-Tenant ๐๐ง๐ ๐ข๐ง๐ง๐จ๐ฏ๐๐ญ๐ข๐ฏ๐ ๐๐ ๐ฌ๐ฒ๐ฌ๐ญ๐๐ฆ๐ฌ ๐ญ๐ก๐๐ญ ๐ฌ๐จ๐ฅ๐ฏ๐ ๐๐จ๐ฆ๐ฉ๐ฅ๐๐ฑ ๐ฉ๐ซ๐จ๐๐ฅ๐๐ฆ๐ฌ, ๐๐ซ๐๐๐ญ๐ ๐ง๐๐ฐ ๐ฏ๐๐ฅ๐ฎ๐, ๐๐ง๐ ๐ข๐ฆ๐ฉ๐ซ๐จ๐ฏ๐ ๐ฎ๐ฌ๐๐ซ ๐๐ฑ๐ฉ๐๐ซ๐ข๐๐ง๐๐๐ฌ. ๐ A 100% refund, if I'm unable to meet our agreed commitments. No questions asked! ๐๐๐ฒ ๐ ๐๐๐ญ๐ฌ: ๐งโ๐ป 8+ years of experience as a Full Stack Developer and Artificial Intelligence Specialist ๐ 50+ market-winning projects launched โ Around 600 hours on Upwork ๐ฏ Top-Rated on Upwork ๐๐'๐ฏ๐ ๐ฌ๐จ๐ฅ๐ฏ๐๐ ๐๐ง๐ ๐ข๐ง๐๐๐ซ๐ข๐ง๐ ๐ฉ๐ซ๐จ๐๐ฅ๐๐ฆ๐ฌ ๐๐จ๐ซ ๐ญ๐จ๐ฉ ๐๐จ๐ฆ๐ฉ๐๐ง๐ข๐๐ฌ ๐๐ง๐ ๐ฌ๐ญ๐๐ซ๐ญ๐ฎ๐ฉ๐ฌ ๐๐ซ๐จ๐ฎ๐ง๐ ๐ญ๐ก๐ ๐ ๐ฅ๐จ๐๐ โ๏ธ Under Armour โ๏ธ Snowflake โ๏ธ Estateza โ๏ธ SearchLook โ๏ธ Sparrowcharts ๐ก ๐๐ก๐๐ญ ๐๐๐ง ๐ ๐๐ซ๐ข๐ง๐ ๐ญ๐จ ๐ฒ๐จ๐ฎ๐ซ ๐ญ๐๐๐ฅ๐? โ๏ธ Full Stack Development for robust and scalable web applications, including both front-end and back-end technologies โ๏ธ Custom Web and Application Development utilizing frameworks like Python, React, Django, React.js / Angular / Next.js / Nest / Nust / Golang and Node.js โ๏ธ Expertise in LLMs and ChatGPT integration to enhance application functionalities โ๏ธ Proficiency in RESTful APIs, GraphQL, and database management โ๏ธ Experience with cloud services like AWS, Azure, and Google Cloud for deployment and scaling โ๏ธ Strong problem-solving skills and ability to optimize user experiences and application performance ๐๐๐๐ซ๐'๐ฌ ๐ฐ๐ก๐๐ญ ๐๐ฅ๐ข๐๐ง๐ญ๐ฌ ๐ก๐๐ฏ๐ ๐ญ๐จ ๐ฌ๐๐ฒ ๐๐๐จ๐ฎ๐ญ ๐ฆ๐: ๐ Ali Hamza is in the top tier of software developers and data engineers. He is far more than an implementer; he is a strong architect. During this project set, Usama worked on data from major US corporations ๐ One of the best developers I have ever worked with. He is always on time and does exactly what he says he will do. I could not recommend him enough. ๐ฏ ๐ ๐ฉ๐จ๐ฌ๐ฌ๐๐ฌ ๐๐ฑ๐ฉ๐๐ซ๐ญ๐ข๐ฌ๐ ๐ข๐ง ๐ญ๐ก๐ ๐๐จ๐ฅ๐ฅ๐จ๐ฐ๐ข๐ง๐ ๐๐จ๐ฆ๐๐ข๐ง๐ฌ โ๏ธ Full Stack Development: โ๏ธ Backend: โ๏ธ Python โ๏ธ Django โ๏ธ Flask โ๏ธ NodeJs, Express.js โ๏ธ Rest API, SOAP โ๏ธ Websocket โ๏ธ Third party integration โ๏ธ Frontend: โ๏ธ Html5, Css3, Bootstrap โ๏ธ Javascript โ๏ธ ReactJs, Angular โ๏ธ VueJs โ๏ธ NextJs, NuxtJs โ๏ธ Ajax, JSON, XML, XHTML, SVG, Canvas โ๏ธ API integration, OpenAI API โ๏ธ DevOps: โ๏ธ CI/CD Pipelines โ๏ธ IaC โ๏ธ Docker โ๏ธ Kubernetes / Terraform โ๏ธ Elasticsearch โ๏ธ Cloud Computing (Azure, AWS, Google Cloud) โ๏ธ Version Control (Git, GitHub) โ๏ธ Containerization + Orchestration (Docker, Kubernetes) โ๏ธ Spring Boot / Java, Microservices Architecture โ๏ธ Real-time / Streaming / Event-driven architectures โ๏ธ Session Recordings / Session Replays โ๏ธ GraphQL / gRPC โ๏ธ Kafka / Redpanda (real-time streaming) โ๏ธ Generative Artificial Intelligence (GenAI) โ๏ธ Large Language Models (LLMs) โ๏ธ Natural Language Processing (NLP) โ๏ธ ChatBots and Virtual Assistants โ๏ธ Text to Image Modelling โ๏ธ Vector Databases โ๏ธ Retrieval-Augmented Generation (RAG) โ๏ธ ChatGPT โ๏ธ OpenAI โ๏ธ AI/ML (Artificial Intelligence + Machine Learning) โ๏ธ Multimodal AI / NLP โ๏ธ Agentic AI / Autonomous Agents โ๏ธ โVibe Codingโ / AI-first / prompt-driven dev workflows โ๏ธ Explainable AI / Ethical, Sustainable AI โ๏ธ Edge AI / On-device / Federated Learning โ๏ธ Web Scraping โ๏ธ Data Extraction โ๏ธ Data Scraping โ๏ธ Scrapy โ๏ธ Selenium โ๏ธ Beautiful Soup โ๏ธ Requests โ๏ธ Deployment and scheduling the scraping scripts on server โ๏ธ PostHog / Mixpanel / Amplitude / Segment (Twilio Segment) โ๏ธ OpenTelemetry (Datadog / Grafana / Sentry โ๏ธ LaunchDarkly / GrowthBook / VWO / Optimizely / Klaviyo โ๏ธ Airbyte / Fivetran / DBT โ๏ธ Auth0 / Clerk / SuperTokens / Google Auth โ๏ธ Stripe / Paddle โ๏ธ Plaid AI + Analytics Integrations โ๏ธ LangSmith / LangFuse โ Observability and evaluation layer for LLM apps. โ๏ธ Weaviate / Pinecone / Qdrant โ Vector DBs for AI features with analytics hooks. โ๏ธ Whylabs / Arize AI โ ML observability & monitoring (similar to PostHog but for models). I am a Fullstack AI Developer - Python Django, React, Flask, API Integration I can help you to build: โก Fast MVP Development (AI-Powered) โ โก AI Powered SAAS Applications โ โก AI Agent RAG Systems | AI Chatbots โ โก Open AI API Integrations / LLM โ โก Full stack Development (AI/ML, Django, React) โ โก AI Workflows Automation โก Voice AI tools Thank you for visiting my profile. Looking forward to working with you! I will ๐ฒREFUND ๐ฒ, if your expectation wont meet. For reference, you can see my work and testimonials below. Lets Chat!
- API
- Artificial Intelligence
- Machine Learning
- AI Agent Development
- OpenAI API
- AI Development
- Django
- Python
- Retrieval Augmented Generation
- API Integration
- JavaScript
- React
- PostgreSQL
- Large Language Model
- Chatbot Development
- LangChain
- LLM Prompt Engineering
- Web Application
- AI App Development
- FastAPI
Queens County, New York
Need a backend that scales, a frontend thatโs blazing fast, responsive, and production-ready, APIs that work seamlessly, and workflows on autopilot? Thatโs what I deliver. As a Senior Full Stack Developer (6+ years), I help businesses scale faster, cut inefficiencies, and launch reliable products by building robust APIs, secure databases, and automation-ready systems. Recent Project: Mavericks Motors (SaaS MVP) When Mavericks Motors was at risk of missing a critical launch due to delays and poor execution from previous developers, we stepped in and turned things around. In just 1.5 months, I delivered a polished, scalable MVP that allowed the founder to launch on time, restore investor confidence, and avoid reputational loss. Beyond meeting the deadline, the solution gave the business: a. Investor-ready scalability with a solid backend and AWS deployment b. Enhanced customer engagement through four intelligent chatbots (Buy, Finance, Sell, Generic c.Assistant) that delivered real-time, semantic searchโdriven support d. Future-proof AI capabilities, positioning Mavericks Motors as an innovative, tech-forward company in its space The real outcome: instead of a missed opportunity, Mavericks Motors launched successfully, impressed investors, and gained a foundation to scale confidently. Tech Stack & Skills: a. Languages: JavaScript (ES6+), TypeScript, Python, Dart, SQL, NoSQL Backend Frameworks & Libraries Node.js, Nest.js, Express.js, Django, Flask, FastAPI, GraphQL (Apollo, Hasura) b. Databases: PostgreSQL, MySQL, AWS RDS, Supabase MongoDB, Firebase, Redis Vector DBs: Pinecone, Weaviate, pgvector c. APIs & Integrations: REST, GraphQL, WebSockets Stripe, PayPal, Google Maps, Twilio, Slack, HubSpot, Telegram, WhatsApp, Zapier OpenAI, ElevenLabs d. AI, Automation & ML n8n (workflow automation), LangChain (RAG pipelines, LLM apps) Chatbots (custom assistants for Buy/Finance/Sell/Support) Semantic Search: TypeSense, Pinecone, Weaviate, pgvector ML/AI: Pandas, NumPy, TensorFlow, Scikit-learn, PyTorch Dialogflow, Rasa, Voiceflow e. Cloud & DevOps AWS (EC2, S3, Lambda, CloudFront, RDS, DynamoDB, Amplify) GCP, Firebase, Supabase Docker, Kubernetes (basics), CI/CD (GitHub Actions, GitLab CI) Railway, Vercel, Serverless & Microservices Frontend (Supporting Skills) React.js, Next.js, Vue.js, Flutter, React Native, Tailwind CSS With 6+ years of backend expertise, Iโve delivered SaaS platforms, MVPs, real-time applications, and migration projects for clients worldwide. I specialize in helping businesses in B2B, FinTech, eCommerce, AI, and SaaS scale with reliable backend systems. Letโs connect and discuss how I can bring the same value to your project, delivering not just code, but real business impact.
- REST API
- Automation
- AI Bot
- AI Agent Development
- AI Implementation
- AI Product Management
- ChatGPT
- ElevenLabs
- Node.js
- Next.js
- Python
- FastAPI
- GraphQL
- JavaScript
- SQL
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REST API Developers Hiring FAQs
If youโre new to APIs (application programming interfaces), it wonโt be long until you come across REST. Short for REpresentational State Transfer, REST is an architectural style for facilitating communication between computer systems across a network.
What is REST?
REST is an architectural style that describes how distributed applications should interact with one another. But to truly understand what REST is, you first need to understand two concepts:
- Resources, which are like the nouns of the webโthey describe the โthingsโ a client might want to pull from a server (e.g., the documents and files that make up a web page).
- HTTP verbs, which are the verbs of the webโthey describe the โactionsโ you can take on a resource, such as GET, POST, PUT, and DELETE.
REST provides a set of architectural constraints that, when applied as a whole, emphasizes scalability of component interactions, generality of interfaces, independent deployment of components, and intermediary components to reduce interaction latency, enforce security, and encapsulate legacy systems.
REST API developers use the REST architectural style to develop APIs that facilitate communication between computer systems across a network. REST stands for REpresentational State Transfer.
How do you hire a REST API developer?
You can source REST API developers talent on Upwork by following these three steps:
- Write a project description. Youโll want to determine your scope of work and the skills and requirements you are looking for in a REST API developers.
- Post it on Upwork. Once youโve written a project description, post it to Upwork. Simply follow the prompts to help you input the information you collected to scope out your project.
- Shortlist and interview REST API Developers. Once the proposals start coming in, create a shortlist of the professionals you want to interview.
Of these three steps, your project description is where you will determine your scope of work and the specific type of REST API developers you need to complete your project.
How much does it cost to hire a REST API developer?
Rates can vary due to many factors, including expertise and experience, location, and market conditions.
- An experienced REST API developers may command higher fees but also work faster, have more-specialized areas of expertise, and deliver higher-quality work.
- A contractor who is still in the process of building a client base may price their REST API developers services more competitively.
Which one is right for you will depend on the specifics of your project.
How do you write a REST API developer job post?
Your job post is your chance to describe your project scope, budget, and talent needs. Although you donโt need a full job description as you would when hiring an employee, aim to provide enough detail for a contractor to know if theyโre the right fit for the project.
Job post title
Create a simple title that describes exactly what youโre looking for. The idea is to target the keywords that your ideal candidate is likely to type into a job search bar to find your project. Here are some sample REST API developers job post titles:
- Need a software engineer experienced in developing RESTful APIs
- Seeking REST API developer for WordPress website
- REST API developers needed to develop API software integrations
Project description
An effective REST API developer job post should include:
- Scope of work: From programming to cloud computing, list all the deliverables youโll need.
- Project length: Your job post should indicate whether this is a smaller or larger project.
- Background: If you prefer experience with certain industries, software, or coding languages, mention this here.
- Budget: Set a budget and note your preference for hourly rates vs. fixed-price contracts.
REST API developer job responsibilities
Here are some examples of REST API developers job responsibilities:
- Develop RESTful, stateless, and layered applications that make client and server interoperable
- Manage repetitive data transfers with caching
- Create a uniform interface between components
REST API developer job requirements and qualifications
Be sure to include any requirements and qualifications youโre looking for in a REST API developers. Here are some examples:
- Proficiency in PHP, NodeJS, Python, Java, cURL, and/or C#
- Knowledge of data and servery security best practices
- Understanding of overall orchestration paradigms
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