I will fix or investigate one java spring boot API bug

J
jonnylewis3812
J
jonnylewis3812
Jonny Lewis
fix or investigate one java spring boot API bug
Full Screen
fix or investigate one java spring boot API bug

About this gig

I will investigate or fix one clearly defined Java/Spring Boot backend issue, such as a REST API bug, failing unit/integration test, JSON/XML parsing problem, Gradle build error, or Postman/API response issue.

This Gig is for focused troubleshooting, not full application development. Please provide the error message, relevant code or repo access, expected behaviour, and actual behaviour before work begins.

  • Programming language

    • Java

  • Expertise

    • Debugging
    • Testing procedures

  • Frontend framework

    • Bootstrap
    • jQuery

  • Backend framework

    • Node.js
    • Spring

Get to know Jonny Lewis

Jonny Lewis

Java and Spring Boot Backend Developer

  • FromUnited Kingdom
  • Member sinceMay 2026
  • Avg. response time1 hour

  • Languages

    English
I’m a Java/Spring Boot backend developer specialising in REST APIs, test coverage, refactoring, and practical troubleshooting. I help with small, well-defined backend issues such as Spring Boot API bugs, failing unit/integration tests, Java refactoring, Postman/API problems, JSON/XML parsing issues, and Gradle/build errors. I prefer fixed-scope work with a clear outcome, so before starting I’ll confirm what is included and what is outside scope. For best results, please send the error message, relevant code snippet or repository access, expected behaviour, and actual behaviour.

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