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Rezwan
@rezwan943
Senior Software Engineer
Bangladesh
English
About me
Software Engineer with 4+ years of experience in Java 21 and Spring Boot 4, specializing in scalable microservices and high-performance backend systems. I build secure APIs with Spring Security & JWT, event-driven systems using Kafka, and optimize performance using Redis caching (up to 40% improvement) and PostgreSQL tuning. Experienced in Docker, CI/CD, and production-grade deployments. Delivered payment systems, flight operations, and enterprise solutions. Let’s build scalable backend systems together.
Skills
Rezwan
Offline •
Average response time: 7 hours
See my services
Full Stack Web Applications
I will design scalable rest, grpc and graphql, kafka systems with spring boot
Custom Websites
I will high performance full stack apps with spring boot and any frontend
2 Reviews
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Rating Breakdown
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- Quality of delivery
- Value of delivery
1-2 out of 2 Reviews
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vilimiv
Repeat Client
Croatia
Rezwan is an outstanding professional. His expertise, attention to detail, and proactive communication make every project a joy to collaborate on. The product was flawless, expertly crafted, and thoroughly explained—truly couldn't ask for better!
$100-$200
Price
7 days
Duration
Helpful?
vilimiv
Repeat Client
Croatia
Rezwan provided absolutely outstanding service. His professionalism exceeded expectations, delivering a bug-free product with proactive communication and politeness in very good english. He took the time to explain everything clearly, making the entire experience extremely pleasant and productive. Highly recommend working with Rezwan!
$100-$200
Price
10 days
Duration
Helpful?
