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armnkumar321-spec/README.md

Aman Kumar

Computer science student and full-stack developer. I build MERN web apps and retrieval-augmented (RAG) LLM tools, and I contribute to open source.

Tech: JavaScript · TypeScript · React · Node.js · Express · MongoDB · Python · LangChain · C++

📫 armnkumar321@gmail.com


Featured projects

Project Description Stack Live
doc-chat Chat with your PDF/DOCX/TXT files. Answers cite the page with a word-for-word quote. Also has study mode, quizzes, an exam simulator and document comparison. React, Express, Qdrant, Gemini demo
hr-policy-assistant RAG assistant that answers HR policy questions only from the manual and shows the cited PDF page next to each answer. Python, LangChain, ChromaDB, Streamlit, Gemini —
task-management-system TaskFlow: a team task manager with JWT auth, admin/user roles, search and filters MERN demo
shopproducts E-commerce store with cart, Stripe checkout and auth MERN, Redux Toolkit, Firebase demo
Bloodbank Blood bank management: donor registration, blood requests, admin and user dashboards MERN demo

Open source contributions

  • Backstage community plugins: migrated the Dynatrace plugin to Jest 30 (#11987, merged). In review: enabled knip reports for Tech Radar (#11986) and rewrote the Nomad workspace README (#11714).
  • Apache Iggy: unit tests for the Node.js SDK's delete-segments command (#4829, in review)
  • Hiero SDK JS: documentation fixes in SDK source comments (#4567, merged)
  • StayNest (team MERN project): booking API integration tests (Jest, Supertest), double-booking prevention, email notifications, Cloudinary image upload, a Leaflet map and a GitHub Actions CI workflow (PRs)

Pinned Loading

  1. Bloodbank Bloodbank Public

    Blood bank management system with JWT auth, donor registration, blood requests and admin/user dashboards (React, Node.js, Express, MongoDB)

    JavaScript

  2. doc-chat doc-chat Public

    RAG document chatbot: upload PDF/DOCX/TXT and get answers with page-level verbatim citations, plus study mode, quizzes and document comparison (React, Express, Qdrant, Gemini)

    JavaScript

  3. hr-policy-assistant hr-policy-assistant Public

    RAG HR policy assistant with cited answers and the source PDF page shown beside each answer (Python, LangChain, ChromaDB, Streamlit, Gemini)

    Python

  4. shopproducts shopproducts Public

    Full-stack e-commerce store with cart, Stripe checkout and auth (React, Redux Toolkit, Express, MongoDB, Firebase)

    JavaScript

  5. staynest staynest Public

    Forked from vikas0799/staynest

    JavaScript

  6. task-management-system task-management-system Public

    TaskFlow — Modern Task Management System for Assignment 4: CRUD with Client-Side Rendering

    JavaScript 2