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I will fix bugs and errors in your java spring boot backend and rest api fast
Thusiyanth
About this gig
Are you facing errors, crashes, or unexpected behavior in your Java Spring Boot application?
Don't worry I can help.
I am a Senior Software Engineer with 4+ years of experience in debugging and fixing Spring Boot backend applications. I identify the root cause of issues and provide clean, reliable, and long-term solutions.
What I can fix:
- Spring Boot application errors
- REST API issues and incorrect responses
- Database errors (PostgreSQL / SQL)
- Performance and memory issues
- Authentication and authorization bugs
- Code logic issues
- Exception handling problems
- Configuration and dependency issues
- MongoDB and Spring Data issues
- Keycloak / OAuth2 / JWT security problems
- Third-party API and Feign Client integration errors
Why choose me:
- Clear root-cause analysis
- Clean and safe fixes
- No temporary hacks
- On-time delivery
- Professional communication
Please message me before placing an order so I can review the issue and suggest the best package.
Get to know Thusiyanth
Thusiyanth
Java Spring Boot Backend Developer, APIs, Microservices, AI Chatbots
- FromSri Lanka
- Member sinceSep 2022
Languages
Tamil, English
Senior Software Engineer with 4+ years building enterprise Java and Spring Boot microservices for the insurance industry.
I build REST APIs, backend systems, third-party integrations and secure apps (OAuth2, Keycloak, JWT) on PostgreSQL, MySQL and MongoDB, deployed with AWS and Docker. I also add AI features such as LLM chatbots and RAG.
I'm newer to digital marketing and SEO, and offer on-page and technical SEO for small websites at beginner-friendly rates.
Clear communication, clean code, on-time delivery. Message me before ordering.
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FAQ
What do you need to start debugging?
Error logs, issue description, source code access, and steps to reproduce the problem.
Can you fix production issues?
Yes, I can debug both development and production-level issues safely.
Do you support database-related bugs?
Yes, I fix PostgreSQL and SQL-related issues.
Will you explain the fix?
Yes, I explain what caused the issue and how it was fixed.
Can you optimize performance too?
Yes, performance optimization is included in the Standard and Premium packages.
What if the problem is bigger than my package?
I check your error logs before starting. If the fix needs more work than your package covers, I tell you first and suggest the right package or a custom offer, so you never pay for work you did not agree to.
