LangChainFastAPIReact.js
FULL-STACK DEVELOPER & AI ENGINEER

Hi, I'm Usman.
— I Build AI-Powered Products.

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About Me

I'm a Full-Stack Developer and AI Engineer with 3+ years of experience building complete web applications and production-grade AI systems — from React.js and TypeScript frontends to Node.js, FastAPI, and LangChain backends. I've delivered end-to-end products for international clients across the US and Australia, and I enjoy owning features from architecture to deployment.

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0+Years Experience
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My Stack.

Frontend
React.jsNext.jsTypeScriptJavaScriptHTMLCSS
Backend
Node.jsExpress.jsFastAPIREST APIMicroservices
AI / LLM
LangChainLangGraphOpenAIDeepSeekGeminiVapiN8N
Databases
PostgreSQLMongoDBSupabasepgvectorPineconeRedis
DevOps & Tools
AWSDockerGitGitHubCI/CDLinux

Projects.

Hand-picked collection of my favorite work.

ESG AI Platform
ESG AI Platform
FastAPILangChainReact.jsPineconepgvector
FEATURED PROJECT

ESG AI Platform

Client: Sydney, Australia

A full-stack AI compliance platform automating ESG scoring across Environmental, Social, and Governance categories — delivered to production within 2 months.

FastAPILangChainReact.jsPineconepgvector
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Travel Advances AI
Travel Advances AI

Travel Advances AI

Client: Texas, USA

A full-stack AI travel assistant with real-time integrations for flights, hotels, and bookings — enabling 24/7 automated customer operations.

FastAPILangChainReact.jsFlight APIs
BuyCEX
BuyCEX

BuyCEX

Client: Remote

A crypto trading platform frontend built with React, Tailwind CSS, and Framer Motion, integrated with live APIs and state management via Redux Toolkit.

React.jsTailwind CSSFramer MotionRedux ToolkitAPI Integration

Work Experience

2025 — Present

AI Engineer

Techyst

Remote

Building end-to-end AI-powered systems spanning backend APIs, data pipelines, and frontend integrations. Architecting scalable infrastructure for real-time AI agents. Delivered 4–5 complete AI products from architecture to production for clients in the US and Australia.

2023 — 2025

Software Engineer

Cyberify

Multan, Pakistan

Designed and developed full-stack web applications using React.js, TypeScript, Node.js, FastAPI, and Express.js. Integrated LangChain and LangGraph into production apps. Led a team of 5–6 engineers, managed sprint cycles, and mentored 2–3 junior developers.

2022 — 2023

Full-Stack Developer

Pro Tech Giant (Pvt.) Ltd.

Multan, Pakistan

Developed complete MERN stack applications from design through deployment. Built RESTful APIs, user authentication systems, and integrated third-party APIs and payment gateways.

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Let's Work Together.

Available for freelance & full-time opportunities