Abdul Raheel

Lead Full Stack AI Engineer

Upwork • Freelance

Jun 2025 - Present • 1 yr 4 mos

• Build AI SaaS platforms, MVPs and custom web apps for startup founders, from idea to launch. • Develop AI agents and agentic workflows using Claude, OpenAI, LangChain and MCP servers. • Build RAG chatbots and AI knowledge bases with vector search (pgvector, Pinecone) • Create n8n and Make AI automations connected to client apps and third-party tools • Build modern frontends with Next.js, React, TypeScript and Tailwind CSS • Develop scalable backends and REST APIs with Python (FastAPI) and Node.js • Implement auth, Stripe payments, admin panels and user dashboards • Deploy production-ready apps on AWS, Vercel and Supabase with Docker and CI/CD Skills: Next.js, React, Python, FastAPI, Node.js, OpenAI, Claude, LangChain, RAG, MCP, n8n, AWS

Full Stack Engineer

Devsinc • Período integral

May 2021 - May 2023 • 2 yrs

• Led development and performance optimization of scalable, high-traffic web applications for international clients • Built and maintained backend services and REST APIs using Ruby on Rails and Python (Django) • Optimized PostgreSQL queries, indexing and Redis caching to improve speed and reliability • Developed responsive, component-based frontends with React • Integrated third-party APIs, payment gateways and secure authentication systems • Containerized applications with Docker and set up CI/CD pipelines for faster releases • Deployed and managed cloud infrastructure on AWS • Worked in Agile teams with designers, QA and product managers, and led code reviews Skills: Ruby on Rails, Python, Django, React, PostgreSQL, Redis, REST APIs, Docker, AWS, CI/CD

Software Engineer

DevNatives • Período integral

Jan 2018 - Apr 2021 • 3 yrs 3 mos

• Developed full stack web and mobile applications for international clients as a remote contractor • Built robust Ruby on Rails backends and RESTful APIs powering web and mobile apps • Created responsive, user-friendly frontends with JavaScript and React • Built cross-platform mobile apps with React Native • Integrated third-party APIs, payment systems and cloud services • Designed and optimized MySQL and PostgreSQL databases for performance • Deployed and maintained applications on Heroku and AWS • Managed projects end to end: requirements, development, testing, deployment and client communication Skills: Ruby on Rails, REST APIs, JavaScript, React, React Native, Node.js, MySQL, PostgreSQL, Heroku, AWS