Building intelligent systems across web, mobile, and backend.

I specialize in AI-powered applications, agentic systems, RL evaluation for frontier models, and end-to-end backend development. I turn ideas into production systems—APIs, AI agents, OCR/document intelligence pipelines, chatbots, and full-stack apps.

• 🧪 RL Researcher @ Tensium (UK) — building reinforcement learning evaluation environments for frontier AI models; designing tasks, verifiers, and sandboxed eval pipelines
• ⚙️ Software Engineer @ AfterQuery — optimizing and evaluating AI models

• RL evaluation environments for frontier models
• Agentic systems (LangChain / LangGraph, tool-calling agents)
• Scalable backend systems and production LLM pipelines
• Document intelligence, RAG, and OCR

Backend & AI
Python · FastAPI · Node.js · Express.js · LangChain · LangGraph · Azure Document Intelligence · LLM integrations (Claude, GPT, Groq) · RAG · OCR pipelines · WebSockets

Frontend & Mobile
React · Next.js · TypeScript · React Native · JavaScript · HTML/CSS

Databases & Cloud
PostgreSQL · MongoDB · MySQL · Prisma · AWS (Cognito, EC2, S3) · Docker

Integrations & Tools
Stripe · Twilio · Meta API · Git / GitHub Actions · CI/CD

• Build RL evaluation environments for frontier models
• Design tasks, verifiers, and sandboxed eval pipelines
• Tested against Claude and GPT on the HUD platform

• Enhancing and evaluating AI models to improve performance

• Built a financial document intelligence platform with Azure Document Intelligence, FastAPI, OCR, and structured extraction
• Integrated LLM chatbots, AWS Cognito authentication, and Stripe payments

• Collaborated with global AI teams including Anthropic on AI model training and evaluation
• Designed scalable backend services, database schemas, and FastAPI-based APIs for production AI infrastructure

BS Software Engineering — FAST National University of Computer and Emerging Sciences Lahore, Pakistan

• 🌐 Portfolio: https://imhassaan04.vercel.app
• 💼 LinkedIn: https://linkedin.com/in/muhammad-hassaan-4063b2247
• 🐙 GitHub: https://github.com/hassaanch23
• 📧 Email: imhassaan04@gmail.com

"Code is like humor. When you have to explain it, it's bad." — Cory House

Thanks for visiting!
Always open to collaborations in AI, backend, and full-stack development. 🚀