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Koushik
@koushiksarke
Level 1
Expert Software Engineer, Full Stack developer
Bangladesh
English, Bengali
About me
With 5+ years of experience in Java, Spring Boot, and Microservices, specializing in secure, scalable web applications. Skilled in Angular, ReactJS, and Next.js, delivering seamless frontend and backend solutions. I ensure clean code, optimized performance, and exceptional user experiences with robust authentication, efficient data management, high-performance messaging, and scalable storage. Let’s bring your project to life—contact me today!
Skills
Koushik
$10/hour
Offline •
Average response time: 4 hours
See my services
Bug Fixes
I will fix bugs in java, spring boot, maven and gradle
API & Integrations
I will be your expert java spring boot developer for rest API and microservices
Want to work on an hourly basis?
Tell Koushik what you need.
$10
/
hourPortfolio
37 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 37 Reviews
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Most relevant
angebouabre
Repeat Client
France
oushik did an outstanding job debugging my Java application. He quickly identified the root cause of the issue, explained the problem clearly, and delivered a clean, efficient solution. His technical expertise, responsiveness, and attention to detail made the entire process smooth and stress-free. The...
Helpful?
angebouabre
Repeat Client
France
Helpful?
wafaewafoua
Repeat Client
United Kingdom
The collaboration was excellent, and he demonstrated great professionalism
Helpful?
arpanvirk04
Canada
Delivered exactly what I needed — a full Spring Boot Auth + Gateway setup with JWT, MongoDB, and role-based access. Clean code, professional communication, and everything worked perfectly. Highly recommended!
Helpful?
fjed062
Poland
Great experience! The seller quickly found and fixed the issue in my Spring Boot + Thymeleaf project. Clear communication, fast delivery, and professional approach. Highly recommended!
Helpful?
