Software Engineer & AI Integration Specialist

Rehman Afzal

Versatile JavaScript Developer with 3+ years of experience delivering full-stack web applications and integrating AI-powered features into production systems. Skilled in designing scalable backend architectures using Node.js, Express, NestJS, MongoDB, Firebase, and Supabase, with hands-on experience connecting OpenAI and custom ML models to power conversational AI, automated content generation, and recommendation systems. Additional exposure to Rust, Golang, and modern frontend frameworks including React, Svelte, Vue, and Next.js.

My great work

Ability or Skill

JavaScript, TypeScript, Golang, Rust

React Js, Next.js, Svelte Js, Vue Js

Node.js, Express.js, NestJS

PostgreSQL, MongoDB, MySQL, Supabase

OpenAI API, LLM Integration, Prompt Engineering

Docker, GitHub Actions, Vercel, Firebase, Cloudflare

Freelance

Services

Web App Development

Creating responsive and high-performance full-stack web applications using React, Next.js, Node.js, and NestJS tailored to your needs.

AI Integration

Integrating OpenAI and custom ML models to build intelligent chat assistants, automated content generation pipelines, and recommendation systems.

AI Chatbot

Building intelligent chatbots to streamline customer interactions, automate support workflows, and improve engagement.

Chrome Extensions

Create custom Chrome extensions to enhance browser functionality and improve user experience with production-grade quality.

Backend & APIs

Designing scalable REST APIs and backend architectures with Node.js, NestJS, PostgreSQL, MongoDB, and Firebase for robust performance.

Deployment & DevOps

Managing end-to-end deployment workflows using Docker, GitHub Actions, Vercel, Cloudflare Workers, and Firebase Functions.

Result of my Work

Testimonials

Trusted by Clients, Built for Success!

Rehman picked up our codebase really fast and shipped the Node.js API changes we needed without breaking anything. Clean PRs, good commit messages — exactly what you want in a remote collaboration.

Marcus T.

Frontend Developer, Upwork Client

I was managing the project from the client side and Rehman made my job easy. He asked the right questions upfront, kept us updated daily, and the final React dashboard looked great. Zero back-and-forth on revisions.

Priya S.

Junior Project Coordinator, Small Agency

I design stuff but can't code, so I brought Rehman in to build the Svelte site I'd designed. He matched my designs pixel-perfectly and even caught a few UX issues I hadn't thought about. Really solid work.

Tom B.

Freelance Graphic Designer (needed a dev partner)

Rehman integrated our Stripe payments and fixed the checkout bugs that were costing us sales. He explained what he was doing in plain English, not developer jargon. Got it done in two days — impressed.

Lena K.

E-commerce Store Owner

Worked alongside Rehman on a multi-tenant platform. His NestJS modules were well-structured and documented. Made it easy to pick up his work and extend it. Would definitely team up again.

Ahmed R.

Backend Developer, Collaborated on a SaaS project

Contact me

Let's get you an estimate

rehmanafzal942@gmail.com

Phone

+44 7908 717256