- 💻 Full-stack developer skilled in NestJS, Node.js, React, React Native, MongoDB, PostgreSQL, Vector DBs
- 🤖 Worked on AI-driven solutions — RAG systems, GenAI chatbots, voice-to-action workflows, and CRM automation
- 🌍 Passionate about building scalable, user-centric applications with clean architecture & modern DevOps practices
- 🎓 MSc & BSc in Computer Science & Engineering from Jahangirnagar University, Bangladesh
Languages: TypeScript, JavaScript, Python, Java, C/C++, SQL, NoSQL
Frameworks & Libraries: NestJS, Node.js, React, React Native, Next.js, Django, Tailwind, Material-UI
Databases: MongoDB, PostgreSQL, Vector DBs (pgvector, Typesense)
AI/ML: RAG, Fine-tuning, Embedding, LangGraph, Hugging Face, OpenAI/Gemini APIs
Tools: Docker, Git, Playwright, Postman, Grafana, Prometheus, SonarQube
Software Engineer II — Brain Station 23 PLC (Mar 2024 – Present)
- Built SaaS apps with NestJS, React, React Native, TypeScript
- Automated lead generation from WhatsApp with Gemini Vision AI, Deepgram & OCR pipelines
- Developed customizable chatbots with vector search & JWT-secured APIs
- Improved app performance & testing with React Query and Playwright
- Quiet Lawn (NestJS + Gemini AI) → AI-powered workflow automation with semantic search & role-based access
- JS-SBU (Next.js + Payload CMS) → Website builder platform with drag-and-drop, rich text editor & SEO optimization
- Customizable Chat Widget (NestJS + GenAI) → Chatbot widget with embeddings, JWT auth & branding support
- Rehive (React + React Native) → Scalable white-label fintech app, deployed on iOS, Android & Web
- Automatic Lead Creator (NestJS + WhatsApp API) → OCR + AI-powered business card/voice-to-lead automation
- 🥇 AI Hackathon 2025 (Brain Station 23) — Built AI-driven intent-based product search with hybrid vector search & real-time monitoring
- 💡 Solved 2000+ competitive programming problems on Codeforces, LeetCode, Atcoder & more
- 🎖️ Top 30 in CodeSamurai Hackathon 2022 among 500+ teams
