The Developer Behind
the Code
Crafting production-grade applications with a passion for clean architecture, scalable APIs, 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.
Core Principles
Work Philosophy & Standards
Performance First
Optimized, production-ready code that scales
Security Focused
OWASP best practices, JWT, 2FA by default
Global Mindset
EN/BN/AR multilingual, RTL support
Mobile Ready
Fully responsive on all devices and screen sizes
Fast Delivery
On-time delivery with weekly progress updates
Clear Communication
Regular updates, transparent progress, quick responses
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.
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.
→ 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?