Hi, I'm HMHasnain — a Full Stack Developer focused on building scalable digital products and real-world software systems. I specialize in designing and developing web and mobile applications that solve business problems, improve workflows, and deliver smooth user experiences.
My work spans fintech products, ERP systems, e-commerce platforms, and mobile-first applications — with a strong focus on performance, scalability, and clean architecture. I enjoy turning ideas into production-ready systems and continuously improving them with modern engineering practices.
Skills & Expertise
Frontend Development
Mobile Development
Backend Development
Database & DevOps
System Architecture
Engineering Practices
Professional Experience
Full Stack Developer
Monesave
Jan 2024 - Present
- Built fintech product for wearable contactless payments (smart ring system)
- Designed scalable backend architecture using NestJS + PostgreSQL
- Improved system reliability and reduced payment latency through optimization
- Led technical decisions and mentored junior developers
Mobile Developer
Technology Castle
Jan 2023 - Dec 2023
- Developed cross-platform mobile applications for client products
- Delivered production apps with strong focus on UI/UX consistency
- Improved release cycle speed through reusable architecture patterns
- Collaborated with design and backend teams for seamless integration
React Native Developer
ZAMHTECH
Jan 2021 - Dec 2022
- Built multiple production-grade mobile applications using React Native
- Optimized app performance and reduced UI rendering issues by 40%
- Collaborated with backend teams for API integration and scaling
- Conducted code reviews and maintained code quality standards
Education
Bachelor of Computer Science
The University of Lahore
2016 - 2020
Key Achievements
50+ Projects Delivered
Successfully completed over 50 projects for startups, enterprises, and individuals worldwide.
30+ Happy Clients
Built lasting relationships with clients who trust my expertise and delivery quality.
Performance Expert
Specialized in optimizing applications - reduced load times by up to 60% for multiple products.
Fintech Innovation
Built production fintech systems processing $2M+ in annual transactions with 99.9% uptime.
Mobile Specialist
Developed cross-platform mobile apps with 50K+ active users across iOS and Android.
Scalable Architecture
Designed systems that scale - from MVP to enterprise-level applications handling millions of transactions.