I will fix spring boot rest API errors, and spring security issues

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About This Gig

Are you struggling with persistent 500 Internal Server Errors, broken JWT authentication, or a database that crawls under pressure? Backend bottlenecks don't just frustrate developersthey drive users away.

I specialize in deep-level troubleshooting and performance engineering for Java Spring Boot applications. Whether you need a quick bug fix or a complete database overhaul, I provide clean, production-ready solutions.

What I Bring to Your Project:

• Security Mastery: Full configuration of Spring Security & JWT (Role-based access, token expiration, and secure filters).
• Database Optimization: Fine-tuning MongoDB aggregations and SQL queries to reduce latency and improve throughput.
• ORM Troubleshooting: Expert resolution of JPA/Hibernate mapping issues, N+1 problems, and transaction management errors.
• System Stability: Eliminating API crashes and implementing robust error-handling patterns to ensure 99.9% uptime.

The Package