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Backend Engineer, AI and Full-Stack Developer

Building systems that survive bad input.

Backend & full-stack engineer in Python and TypeScript. API design, LLM integration, and deployments that stay up.

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Things I shipped

Built, deployed, and running for other people.

More on GitHub

Competitions

Placed against the country, not a classroom.

  1. 2026Google for Developers x Kaggle

    3rd Place, Build with Gemma @Bangladesh

    Awarded by the Google Gemma team. Competed as Team Ascent with NoteKori.

    • Google GemmaGoogle Gemma
    • Google for DevelopersGoogle for Developers
    • Kaggle
    Verify on Kaggle
    • Kaggle results page showing NoteKori by Team Ascent awarded 3rd Prize.
      / The result, on Kaggle
    • Team Ascent working on laptops during the Build with Gemma hackathon.
      / Team Ascent, mid-build
  2. 2024Dhaka University

    Finalist, Code Samurai 2024

    Reached the final round with a full-stack waste management platform built for DNCC.

    • Three team members at the Code Samurai 2024 backdrop at Dhaka University.
      / Team Omnitrix
    • A Code Samurai 2024 desk with the Team Omnitrix name card and the printed problem statement for domestic solid waste management.
      / The brief: domestic solid waste
    • The closing ceremony of the inter-university hackathon in a full auditorium.
      / Closing ceremony
  3. 2024United International University

    Runner-up, Flutter App Contest

    Ranked 2nd for design and functionality with a Flutter to-do application.

What I reach for

The tools, and how much I actually write.

  • Python52.8%
  • TypeScript39.5%
  • CSS4.5%
  • JavaScript3.1%

Languages

Python
TypeScript
JavaScript
Java
C++

Frameworks

FastAPI
Next.js
React
Node.js
Pydantic

AI & data

Gemma Vision
MongoDB
MySQL

Platforms

Docker
Linux
nginx
Git
Vercel
Postman
Figma

Graduating June 2027.
Available now.

B.Sc. in Computer Science and Engineering at United International University. Looking for backend, AI, and full-stack roles.

Email
rafsanhossenone@gmail.com
GitHub
rafsanbasunia
LinkedIn
rafsanbasunia