Code2b - Backend Engineer (Security & Infrastructure)
May 2026–Present
Production Go backends, product security, and resilient infrastructure.
- Secure, scalable Go backends and infra that keep production reliable as traffic and risk grow.
Hamidul Islam
Backend & Product Engineer
Chittagong, Bangladesh
Summary
- Backend and product engineer focused on security, infrastructure, and systems that stay fast under pressure.
- Ships production backends, AI product systems, and growth-minded product surfaces with clear ownership and measurable outcomes.
Public Work
- Built OurCampusBD school management SaaS - live for 22+ institutions with early recurring revenue over ৳1 lakh.
Experience
Bright Brain AI - Founding Engineer (Systems Architecture & AI Infrastructure)
Jan 2025–May 2026
0→1 systems architecture across app layers and AWS.
- ~40% faster delivery, sub-150ms APIs, >99.9% uptime, deploys in minutes.
Minimal Steel - Product Engineer
2024–2025
Steel products company - digital systems for sales and ops growth.
- Grew quote-to-order and catalog conversion with clearer digital product systems.
deal.ai - Senior Full-Stack Engineer (AI Systems & Product)
Mar 2022–Dec 2024
AI-native product features and LLM workflows.
- ~35% faster shipping; ~50–70% more automation; ~20–30% lower LLM cost.
Ayzenberg - Frontend Engineer (Brand & Digital Experience)
Apr 2020–Feb 2022
Brand-driven web experiences with React and Gatsby.
- Brand systems to production React/Gatsby sites with SEO and performance.
Selected Projects
- OurCampusBD - School management SaaS - attendance, fees, exams, finance. Live for 22+ institutions with early recurring revenue over ৳1 lakh.
Skills
Go / backend services · TypeScript / JavaScript · React / Next.js / Node.js · PostgreSQL / MongoDB · AWS / Linux / CI/CD · Application & product security · Observability & reliability · AI/LLM product systems · Performance & system design
Education
Bachelor of Computer Science, BGC Trust University Bangladesh (2020–2024)