# Muhammad Haris Khan — Full Stack Engineer

> Full Stack Engineer building modern full-stack applications, scalable backend systems, and AI-powered products with React, Next.js, Node.js, TypeScript, Python, and PostgreSQL.

Muhammad Haris Khan is a Full Stack Engineer based in Peshawar, Pakistan, building full-stack applications, scalable backend systems, and AI-powered products. This file summarizes the site for AI agents and LLMs.

## Pages
- [Home](https://hariskhan.vercel.app/): Portfolio with projects and research overview.
- [About](https://hariskhan.vercel.app/about): Background, skills (React, Next.js, Node.js, TypeScript, Python, PostgreSQL, Docker, AWS) and education.
- [Research](https://hariskhan.vercel.app/research): Papers, posts, and experiments on AI agents, RAG, backend performance, and databases.

## Projects
- [OpportunityOS](https://hariskhan.vercel.app/#opportunityos): An AI-powered job discovery and application management platform that helps developers find relevant opportunities based on their skills, experience, and career goals. (AI & Agents; tech: Next.js, React, TypeScript, Python, FastAPI, Playwright, AI Agents).
- [PR Doctor](https://hariskhan.vercel.app/#pr-doctor): An AI-powered pull request reviewer that coordinates specialized agents to investigate code changes, identify potential issues, and deliver evidence-backed merge decisions. Built for IBM TechXchange 2026. (AI & Agents; tech: Next.js, React, TypeScript, Node.js, Express, GitHub API, Agentic AI).
- [Tarseel](https://hariskhan.vercel.app/#tarseel): A full-stack Distribution Management System for managing products, suppliers, purchasing, inventory, customer orders, sales, deliveries, payments, and reporting. (Web & Full-Stack; tech: Next.js, React, TypeScript, NestJS, Node.js, PostgreSQL, Prisma, Redis, Docker).
- [Classroom Management System](https://hariskhan.vercel.app/#classroom-management-system): A web-based application designed to organize classroom activities and simplify the management of student and academic information. (Web & Full-Stack; tech: Next.js, PostgreSQL, Prisma, Express.js, ShadcnUI).
- [EduGen](https://hariskhan.vercel.app/#edugen): An education-focused application designed to make learning and academic tasks more accessible through technology. (Web & Full-Stack; tech: Web Application).
- [Snake Game](https://hariskhan.vercel.app/#snake-game): A classic Snake game recreated as a software project, focusing on game logic, movement, collision detection, and score tracking. (Games; tech: Java, MySQL, Gradle).

## Research
- [Evaluating Multi-Agent Coordination in Automated Code Review](https://hariskhan.vercel.app/research/#multi-agent-code-review): An evaluation of specialized cooperating agents for reviewing pull requests, measuring how evidence gathering and role specialization affect the precision of merge recommendations. (Paper, 2026).
- [Retrieval-Augmented Generation for Domain-Specific Question Answering](https://hariskhan.vercel.app/research/#rag-domain-qa): A study of retrieval strategies for grounding large language models in narrow technical domains, comparing chunking and reranking approaches for factual accuracy and citation quality. (Paper, 2026).
- [Benchmarking FastAPI and Express for I/O-Bound APIs](https://hariskhan.vercel.app/research/#fastapi-vs-express-benchmark): A comparative benchmark of FastAPI and Express under concurrent I/O-bound workloads, examining throughput, latency tails, and memory footprint across load profiles. (Experiment, 2025).
- [PostgreSQL vs MongoDB for Hybrid Workloads](https://hariskhan.vercel.app/research/#postgres-vs-mongo-hybrid-workloads): An experiment comparing relational and document databases on mixed transactional and analytics workloads, with notes on schema design trade-offs and query ergonomics. (Experiment, 2025).

## Contact
- GitHub: https://github.com/developebyharis
- LinkedIn: https://www.linkedin.com/in/techbyharis
- Twitter/X: https://twitter.com/techbyharis
- Email: mailto:mhariskhan129@gmail.com

## Machine-readable
- [llms-full.txt](https://hariskhan.vercel.app/llms-full.txt): Full text of this site in Markdown.
- [projects.json](https://hariskhan.vercel.app/projects.json): All projects as JSON.
- [research.json](https://hariskhan.vercel.app/research.json): All research entries as JSON.
- [sitemap.xml](https://hariskhan.vercel.app/sitemap.xml): Canonical list of pages.