Available for new projects
Hi, I'm Umair Hassan
Full-Stack Developer
> _
I build fast, scalable web apps and AI-powered products for founders and growing businesses.
$ whoami
umair-hassan # Full-Stack Developer, Top Rated on Upwork
$ cat stack.json
{ "frontend": ["React", "Next.js", "TypeScript"],
"backend": ["Node.js", "Supabase", "Laravel"],
"ai": ["Claude API", "RAG", "OpenAI"] }
$ git log --oneline -3
a3f8c1 feat: ship WhatsApp AI agent (RAG)
9d23e7 feat: Stripe payments for field service app
c15a90 feat: AI content pipeline for SocialFlow
3+
Years experience
30+
Projects shipped
100%
Job Success on Upwork
// selected work
Real products, real users
A few things I've built for clients and for my own product experiments.
SocialFlow
Social media scheduling tool with Buffer API publishing, AI content generation, and image generation. Built for creators who batch their content.
The Leak Nerds
Field service management platform for a US plumbing company. Role-based dashboards for admin, dispatcher, technicians and customers, with estimates, invoices and Stripe payments.
Synapse AI
WhatsApp AI agent that answers customer queries automatically using a RAG knowledge base. Connects via QR, stores knowledge in Supabase.
ShopLedger
Multi-tenant shop management SaaS supporting multiple business types with modular, admin-controlled features.
UdhaarBook
Shop credit management PWA used by local retailers to track udhaar, payments and customer balances offline-first.
Ask Boca
Local business directory for Boca Raton, FL with 700+ curated listings, search and category browsing.
// stack
Tools I ship with
Production-grade technologies, from interactive UIs to intelligent backends.
Frontend
- React
- Next.js
- TypeScript
- Tailwind CSS
Backend
- Node.js
- Laravel
- REST APIs
- Supabase
AI / LLM
- Claude API
- OpenAI
- DeepSeek
- RAG Systems
Tools & Infra
- Vercel
- Stripe
- Git
- PostgreSQL
// writing
Latest articles
Technical deep-dives and lessons from real projects.
Coming soon · 8 min read
Building a WhatsApp AI Agent with RAG and Supabase
How I connected WhatsApp to an LLM with a retrieval pipeline so a business can answer customers automatically.
Coming soon · 10 min read
Multi-Tenant Architecture in Supabase: Lessons from ShopLedger
Schema design, row-level security and the tradeoffs I hit while building a multi-tenant SaaS.
Coming soon · 7 min read
Shipping PWAs That Small Businesses Actually Use
Offline-first patterns, install banners and push notifications from building UdhaarBook and DarziBook.
Umair Hassan
Top Rated on Upwork · 100% JSS
// about
Building things that matter
I'm a full-stack developer from Sargodha, Pakistan, working with founders and small businesses across the US, UK, Australia and Norway. My focus is shipping fast, maintainable software that solves real business problems.
I run Prime Tech Solutions, a boutique studio where I've built POS systems, field service platforms, AI chatbots and PWA SaaS products used daily by real businesses.
Outside of work you'll find me studying, writing about development, and experimenting with AI products.
Experience
2023 - Present
Top Rated Freelancer, Upwork
100% Job Success Score. Web apps, SaaS MVPs and AI integrations for clients in the US, UK, Australia and Norway.
2022 - Present
Founder, Prime Tech Solutions
Boutique dev studio shipping POS systems, field service platforms and PWA SaaS products for small businesses.
2018 - 2022
BS Information Technology
University of Sargodha.
// what clients say
Testimonials
Feedback from clients I've worked with on Upwork and beyond.
“Umair delivered our platform ahead of schedule with clean, well-documented code. Communication was excellent throughout.”
Client Name
Founder, US
“Understood our requirements quickly and suggested improvements we hadn't thought of. Will definitely hire again.”
Client Name
Agency Owner, Australia
“Professional, responsive and technically strong. The AI integration works flawlessly for our customers.”
Client Name
SaaS Founder, UK
// contact
Let's build something together
Have a project in mind? Tell me about it and I'll get back to you with next steps.
Or hire me on Upwork