I’m Abdul Hai, a Senior Full Stack Developer with 9+ years of experience in building scalable web applications, secure authentication systems, and high-performance APIs.
Over the...Read moreI’m Abdul Hai, a Senior Full Stack Developer with 9+ years of experience in building scalable web applications, secure authentication systems, and high-performance APIs.
Over the years, I have worked on a wide range of projects including SaaS platforms, enterprise-level backends, and secure authentication systems using JWT, OTP, and OAuth.
I specialize in developing clean, efficient, and production-ready solutions using modern technologies. My focus is on writing maintainable code, ensuring strong security practices, and building systems that scale as your business grows.
If you’re looking for a reliable developer who understands both technical depth and business needs — I’m here to help.
⚙️ WHAT I DO
✔ Secure Authentication Systems (JWT, OTP, OAuth)
✔ Backend Development (Node.js, Express)
✔ REST APIs & Microservices
✔ SaaS Application Development
✔ Database Architecture & Optimization
✔ Performance Optimization
✔ Bug Fixing & System Improvements
WHY CHOOSE ME
✔ 9+ years of real industry experience
✔ Strong focus on security & scalability
✔ Clean, maintainable code
✔ Fast and clear communication
✔ Reliable delivery with attention to detail
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