Full-stack software engineer with 3 years of professional experience and 5+ years of software development across 40+ public repositories spanning web, mobile, CLI, and systems.
I specialize in high-performance backend systems (Rust, Python, TypeScript), modern React/Next.js frontends, secure architecture, payment integrations, and real-time systems.
🏆 Two-time ICPC Asia Dhaka Regional Divisional Champion (2022, 2024) · Codeforces Expert (1691)
🎯 Currently preparing for a 2027 research MSc in systems & software security — interested in fuzzing, secure authentication, and the infrastructure that runs untrusted code.
- Portfolio: mahmudul.com.bd
- GitHub: github.com/mahbd
- LinkedIn: linkedin.com/in/mah20t
- Email: mahmudula2000@gmail.com
- Phone: +8801322349539
- Built Linux automation support for enterprise environments
- Implemented secure secret injection for test infrastructure
- Improved throughput with Redis + async pipeline architecture
- Architected a production LMS across Rust backend, React SPA, Next.js SSR, and Android
- Integrated payment gateways (bKash, Nagad)
- Implemented hybrid RSA/AES DRM strategy for Android content protection
- Built WebAuthn/FIDO2-enabled tracking platform for 1000+ users
- Delivered passwordless login, QR/barcode flow, and RBAC model
- Rebuilt e-learning platform using Django/DRF + React + Kotlin Android
- Added Celery pipelines, Redis caching, payment reconciliation, and secure auth flows
- st — Git stacking CLI (Rust, Tokio, Octocrab, Gemini API)
- CMVault — Snippet manager (Rust, Actix-Web, Svelte 5, PostgreSQL)
- ZeuZ Bank — Digital banking app (Next.js 16, React 19, Prisma, Docker)
- VLS — Security learning showcase (Next.js, Prisma, SQLite)
- Disaster Relief Network — Microservices + Android stack (Spring Boot, Next.js, Kotlin)
- B12J Online Judge — Real-time verdict platform; sandboxed multi-language execution of untrusted code (Django Channels, WebSockets)
- email-bot — Multi-mailbox IMAP-IDLE monitor with OAuth2 device flow (Rust)
- Dril Backend — Messaging + marketplace API (Node.js, Socket.IO, MongoDB)
- ICPC Asia Dhaka Regional — Divisional Champion (2022 & 2024, teams BRUR_JMP & MathJuniors)
- Vice Chancellor's Award for the 2024 ICPC divisional championship
- Codeforces Expert (rating 1691)
- First Android app reached 2,810+ users on Google Play
- 40+ public engineering projects across web, mobile, CLI, ML, and systems