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rezaheydarii/README.md

πŸ‘‹ Hi, I'm Reza Heydari

Full-Stack Engineer building production AI/agent systems on top of React, Next.js & Node.js

I'm a full-stack engineer with 7+ years of experience shipping production software β€” from React/Next.js front-ends to Node.js/Fastify backends, and for the last two years, I've been building the AI/agent layer on top of that stack: RAG pipelines, LangChain/LangGraph agents, and MCP servers.

I led front-end and contributed to the data architecture of an AI-powered market research platform (Customer Insight Engine) at OneCliq, which was later acquired by Dig Insights. More recently, as a founding engineer at Yassi.ai, I've owned an AI product end-to-end β€” including a document classification/analysis pipeline and a custom MCP server wired into a LangGraph agent.

πŸš€ What I Do

  • 🧠 AI/Agent Engineering: Building production RAG pipelines, LangGraph agents, and MCP servers for document analysis and tool-calling workflows.
  • πŸ” Full-Stack Ownership: Taking products from database to UI, architecture, APIs, and frontend, not just one layer.
  • πŸ§‘β€πŸ’» Front-End Development: Crafting responsive, fast, and accessible UIs with React/Next.js.
  • βš™οΈ Backend: Building robust APIs with Node.js, Fastify, and NestJS.

πŸ”§ Tools & Technologies

Skills

AI & Agents: LangChain LangGraph MCP RAG

πŸ“Œ Pinned Work

  • prompt-almanac, a public collection of tested, structured prompts for real workflows (resume building, career positioning, and more)

🧠 Recent Focus

  • Building an AI document-processing product end-to-end β€” database, backend, frontend, and agent orchestration
  • Going deeper on multi-agent orchestration and MCP-based tool integration
  • Learning to lead engineering teams more effectively

πŸ“« Let's Connect


Thanks for stopping by! Feel free to explore my projects or reach out to collaborate.

Pinned Loading

  1. prompt-almanac prompt-almanac Public

    A growing almanac of practical prompts, from cleaning your Mac to fixing your resume.

  2. typescript-python-fullstack typescript-python-fullstack Public

    this monorepo contains python and typescript codes working together to have a fullstack enviroment.

    Python 2 2

  3. basic-mfe basic-mfe Public

    Java 1

  4. react-table react-table Public

    Forked from TanStack/table

    βš›οΈ Hooks for building fast and extendable tables and datagrids for React

    JavaScript 3