Backend System Architect
I build robust, high-performance backend systems.
Hey there, I'm Shahadath Hossen Sajib — Backend Developer specializing in scalable microservices, real-time features, and secure AI-powered solutions.
👋 About Me
Designing robust RESTful APIs, managing PostgreSQL, MongoDB, Redis, and building real-time features with specialized focus on microservices architecture. I deliver large, configurable backend systems with complex workflows.
69+
Public Repositories
CI/CD
Actions Specialized
💼 Experience
Digital Pylot
Back End Developer
Feb 2026 — Present
- Contributing to a large-scale microservices backend
- Building scalable services & complex workflows
- AI/communication integrations across multiple modules
Softvence Agency
Back End Developer
Jul 2025 — Feb 2026
- Built real-time logistics and trip tracking (Uber-style)
- Engineered platform-level payment systems & payroll automation
- Developed high-volume data platforms and AI-powered automation
- Maintained AWS infrastructure and PostgreSQL schemas
Monster Studio
Web Developer
Aug 2024 — Apr 2025
- Contributed to 20+ production websites in a monorepo
- Led frontend team & built custom CMS tools
- Strengthened product reliability through unit tests
🛠️ Tech Stack
Node.js / Express
NestJS
Python / FastAPI
PostgreSQL / MongoDB
Redis / BullMQ
Docker / AWS
Socket.io
Prisma / Drizzle