The Developer Behind
the Code
Crafting production-grade applications with a passion for clean architecture and meaningful user experiences.
Junayed Hassan
Full Stack Web Developer
My Story
I'm a Full Stack Web Developer from Dhaka, Bangladesh with a deep passion for backend architecture and scalable system design.
At Optilius, I architected Toolffy — a large-scale developer community platform — from scratch, with 20+ independent backend modules.
I offer global services in English, Bengali & Arabic, targeting clients in Bangladesh, the Middle East, and Europe.
Clean Architecture
Modular, maintainable code structures that scale with your business
Security First
JWT, RBAC, OTP, OAuth — enterprise security baked in from day one
Performance
Redis caching, optimized DB queries, Dockerized production deployments
Global Service
Available in BD, Middle East & Europe — multilingual (EN/BN/AR)
Career Journey
My Timeline
Junior MERN Stack Web Developer
Optilius, Dhaka
Architecting Toolffy — a large-scale developer community & product launch platform from scratch. 20+ backend modules with Node.js, Express 5, TypeScript, PostgreSQL. Production auth: JWT, OTP, 2FA, social OAuth (Google, GitHub, LinkedIn, Twitter, Facebook, Apple). AI integration, Docker + Nginx CI/CD deployment.
MERN Stack Web Developer (Intern)
Optilius, Dhaka
Built full-stack portfolio & CMS for company's Founder. REST APIs for blog, portfolio, timeline, certifications. Clerk + JWT + RBAC auth. Real-time admin notifications via Socket.io. Nodemailer, Jodit rich text editor with full SEO support.
→ Promoted after 6 months
Diploma in Web Development
Ahmed's IT Institute, Dhaka
Completed professional web development diploma. Won Best Developer Award at Farewell Ceremony 2025 & Exam Reward — Challenge 2024.
Master's in Islamic Studies
Jamia Rahmania Arabia, Dhaka
Master's degree with Islamic Studies Certification. Foundation for multilingual communication, discipline, and global service mindset.
Ready to build something extraordinary together?