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$
USD
I will build secure apis with java and postgresql
Cardi H.
About this gig
Are you looking for a robust, bank-grade backend for your application?
I am a professional Software Architect and former Team Head of Mobile Banking with extensive experience building systems that handle millions of transactions. I specialize in creating scalable, high-performance backends using Java Spring Boot.
What I offer in this Gig:
- Microservices Architecture: Scalable, independent service design.
- Secure REST APIs: Industry-standard security (JWT, Spring Security).
- Database Integration: MySQL, PostgreSQL, or MongoDB with JPA/Hibernate.
- Cloud Ready: Dockerization and deployment support.
- Clean Code: Following SOLID principles for easy maintenance.
Why hire me? As a System Analyst, I don't just write code; I design systems that scale. My background in financial technology ensures your project will be secure, efficient, and professionally documented.
Get to know Cardi H.
Cardi H.
Senior Java Spring Boot Developer and System Architect
- FromBangladesh
- Member sinceMar 2026
- Avg. response time1 hour
Languages
English
Hi, I'm Cardi Hasan, a Senior Software Developer with a passion for building scalable, high-performance systems. I specialize in Java Spring Boot, Microservices architecture, and REST API development.
Beyond backend development, I have extensive experience in AI-integrated security systems and video analytics. I focus on writing clean, maintainable code that helps businesses scale efficiently. Whether you need a robust backend or a custom AI solution, I am here to turn your vision into a high-quality reality. Let’s build something great together!
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FAQ
Do you code javaEE
Yes I do
Do you optimize sql.
Yes I do
