Backend Developer specializing in Node.js, NestJS, and Express.js, focused on building scalable, secure, and production-ready backend systems. I enjoy designing robust APIs, working with databases, and solving real-world engineering problems.
- 🧠 Strong in backend architecture, API design, and system scalability
- 🛠️ Experienced with PostgreSQL, MongoDB, Redis
- ⚡ Built real-time systems using Socket.IO
- 🐳 Hands-on with Docker, CI/CD, and AWS (EC2 & S3)
- 🌱 Currently learning Golang, C++, and Data Structures & Algorithms
- 🤝 Open to collaboration and backend-focused opportunities
- 📝 Medium: https://medium.com/@shahadathhs
- 📰 Substack: https://substack.com/@shahadathhs
I write about backend engineering, system design, DevOps, and real-world project learnings.
- 📧 Email: shahadathhossensajib732@gmail.com
- 📄 Resume: https://drive.google.com/file/d/1E8-4vCZD0VW1QflvoRHTAJBedZRtUJ3f/view
"Clean architecture, clear intent, and systems that scale."
| Category | Tools & Technologies |
|---|---|
| Backend | |
| Databases | |
| Real-time | |
| Cloud & DevOps |
Backend Developer — Softvence Agency (July 2025–January 2026)
- Building and maintaining scalable RESTful APIs using NestJS and TypeScript.
- Built WebSocket gateways and background workers using BullMQ.
- Designing and managed relational schemas in PostgreSQL with Prisma.
- Designing and maintained subscription flows with Stripe.
- Deployed scalable architectures to AWS EC2 & S3 with Docker and CI/CD (GitHub Actions).
Web Developer — Monster Studio (Oct 2024–Apr 2025)
- Contributed to a large-scale MERN stack project with frontend and backend features.
- Built reusable components and REST APIs using React.js, Remix, Express.js, Node.js, and MongoDB.
- Managed Nx monorepo for modular, scalable development.
- Led a small frontend team, improving collaboration and productivity.
Quality Assurance Intern — Monster Studio (Aug 2024–Sep 2024)
- Wrote unit/integration tests using Jest, Vitest, MSW & Supertest; performed load testing with K6.
- Helped improve code quality and reliability in a full-stack testing setup.




