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I will debug and fix java spring boot rest API errors
Mehedi Hasan
About this gig
Is your Java or Spring Boot application throwing errors, returning incorrect API responses, or failing to connect to a database? I can identify the root cause and implement a clean, maintainable fix.
What I can help with:
- Java exceptions and runtime errors
- Spring Boot startup and configuration issues
- REST API errors, validation, and incorrect responses
- Spring Security and JWT authentication
- PostgreSQL, Oracle, SQL, and database connectivity
- JPA/Hibernate mapping and query problems
- Maven/Gradle build and dependency errors
- Existing backend bugs and code improvements
Why work with me?
- 4 years of professional software development experience
- Java, Spring Boot, and reactive programming with Spring WebFlux
- Practical PostgreSQL and Oracle database experience
- Clean fixes, clear explanations, and relevant testing
I focus on finding the underlying problem instead of applying temporary workarounds.
How to get started:
Share the error message, relevant logs, expected behavior, and affected code. I will review the issue and confirm the scope before starting.
Let's make your Java backend work reliably again!
Get to know Mehedi Hasan
Mehedi Hasan
Backend Developer, JAVA, Spring Boot webflux REST API and Enterprise Application
- FromBangladesh
- Member sinceSep 2020
- Avg. response time1 hour
Languages
English, Hindi
A professional Java Backend Developer with over 4 years of experience building secure, scalable, and high-performance enterprise applications. Specialize in Java, Spring Boot, REST APIs, Microservices, PostgreSQL, Oracle Database and clean software architecture.
I'm committed to delivering high-quality solutions with clear communication, reliable support, and on-time delivery. Whether you need a new backend application, API development, database design, or improvements to an existing system, I'm ready to help turn your ideas into reliable software.
Let's build something exceptional together.
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Other Software Development Services I Offer
FAQ
Can you fix any Java or Spring Boot issue?
I can help with many common backend issues. Please share the details first so I can confirm whether the problem fits the selected package.
Do you work with PostgreSQL and Oracle?
Yes. I can troubleshoot database connectivity, SQL queries, data mapping, and related backend errors.
Can you work with an existing project?
Yes. I can investigate and fix issues in existing Java and Spring Boot projects.
Should I contact you before ordering?
Yes, especially for complex errors, multiple failing endpoints, reactive applications, or production-related problems. I will review the scope before confirming the order.
