I'm Tanvir Hasan Abir, a Full-Stack AI Engineer and LLM Integration Specialist with production experience building scalable, AI-powered web applications. I architect end-to-end RAG pipelines, AI chatbots, and multi-tenant SaaS platforms using modern tech stacks.
- 🔭 Currently building Replium — a multi-tenant AI chatbot SaaS with cross-modal retrieval
- 💼 Former Associate Software Engineer at Brain Station-23
- 🎓 BSSE from IIT, University of Dhaka
- 🤖 Expert in OpenAI API, LangChain, Qdrant, ChromaDB, PyTorch
- 🏆 Top 10 Finalist at BUET CSE Fest 2024 — AI & API Hackathon
- ⚡ Competitive Programmer with 450+ problems solved
Automated Bengali news scraper from 7 major newspapers with NLP-based bias detection and neutral article generation using LLMs. | RAG-based research chatbot analyzing 15,000+ political articles with source-cited retrieval and rhetoric trend tracking. |
Full-stack blogging platform with JWT auth, threaded comments, Celery + Redis async tasks, 80%+ test coverage. | Seq2Seq deep learning model generating Python code from natural language. BLEU score 0.34 with Attention-LSTM. |
| Role | Company | Duration | Highlights |
|---|---|---|---|
| Replium Architect | Client-Facing Startup | Jan 2026 – Present | Multi-tenant AI chatbot SaaS, RAG pipeline, Qdrant vector search, cross-modal retrieval |
| Associate Software Engineer | Brain Station-23 | Sep 2025 – Mar 2026 | Next.js App Router, payment gateways (bKash/SSLCommerz), 40% client JS reduction |
| Software Engineer Intern | Brain Station-23 | Mar 2025 – Aug 2025 | Blogify Hub, Django REST, PostgreSQL, Docker, Playwright E2E testing |
| 🏅 Achievement | 📅 Year |
|---|---|
| Top 10 Finalist — BUET CSE Fest 2024 (AI & API Hackathon) | 2024 |
| Winner — AI for Change Hackathon | 2024 |
| Top 507 out of 2,521 — Geeky Solutions Learnathon 3.0 | 2024 |
| Pupil at Codeforces (max rating: 1200+) | — |
| 2★ at CodeChef (max rating: 1400+) | — |
| 450+ Competitive Programming Problems Solved | — |
- Bachelor of Science in Software Engineering — IIT, University of Dhaka (Dec 2021 – Mar 2026)
- Higher Secondary Certificate (HSC) — Govt. Science College, Dhaka (2018 – 2020) | GPA: 5.00/5.00
"Building AI-powered solutions that actually make a difference."