Full-Stack & AI Engineer · React Native · TypeScript · Node.js
Based in Pakistan · Working with startups and product teams globally
I build production-grade web apps, cross-platform mobile apps, and AI-powered tools — from architecture to deployment, end to end.
| Area | Stack |
|---|---|
| Full-stack web | Next.js · React.js · Node.js · TypeScript · PostgreSQL |
| Mobile | React Native · Expo · iOS & Android |
| AI & automation | LangChain · OpenAI API · Agentic workflows · Python |
| Cloud & DevOps | AWS · Firebase · Vercel · Docker · VPS |
Exam360 — AI-powered ed-tech platform for exam preparation
Slim Simple AI — Health and wellness AI tool
Gasflow — LPG management and tracking SaaS
ConciseLesson — AI-driven lesson planning platform for educators
Brainvay — Learning automation and knowledge management tool
Maid Hire — Service marketplace connecting households with domestic workers (React Native + Node.js)
E-Commerce Platform — Full-stack store built for an international client in New York
Casheir — A Digitial Receipt Book for service provider and small or mid-size Businesses and shops
- Open to freelance projects and contracts — web, mobile, and AI
- Building SaaS products
- Working with clients in Pakistan and internationally
- Portfolio: umarsaleemdev.com
- LinkedIn: linkedin.com/in/umarsaleemdev
- X: @UmarSaleemDev
- Email: [email protected]

