I will build or fix your spring boot rest API with jwt authentication

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amby_angra
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amby_angra
Ambalica Angra
build or fix your spring boot rest API with jwt authentication
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build or fix your spring boot rest API with jwt authentication

About this gig

Need a reliable Java backend for your app or platform?

I'll build or fix a secure, production-grade Spring Boot REST API clean, tested, and ready to scale.

I'm a Senior Java Developer with 12 years of backend engineering experience at Facebook, Amazon, and J.P. Morgan.

I focus on writing maintainable, high-performance APIs that follow best practices in security, logging, and error handling.


What I can do for you:

  • Build new REST endpoints (Spring Boot, JPA, Lombok, Swagger)
  • Add or fix JWT / OAuth2 authentication
  • Troubleshoot backend issues and exceptions
  • Optimize performance and database queries
  • Review and refactor existing Spring Boot projects


Tech stack expertise:


  • Spring Boot / Java 17+
  • JWT / OAuth2 Security
  • REST / GraphQL APIs
  • SQL / JPA / Hibernate
  • AWS Deployment & CI/CD


Why clients choose me:


  • Enterprise-level experience, startup-friendly delivery
  • Clean, well-documented code
  • Fast, clear communication


Let's make your backend stable, secure, and easy to extend.

  • Expertise

    • Algorithms & Data structures
    • Performance
    • Security
    • Design
    • Databases

  • Programming language

    • Java

  • Frontend framework

    • AngularJS
    • jQuery
    • React.js
    • Tailwind CSS
    • Vue.js

  • Backend framework

    • Spring

Get to know Ambalica Angra

Ambalica Angra

Senior Java Developer: Spring Boot, REST APIs, Secure Backend Design

  • FromAustralia
  • Member sinceOct 2025

  • Languages

    English, Hindi, German
Ex-Meta, Amazon & J.P. Morgan engineer with 12 years building production systems at scale. I help startups and growing teams ship clean, secure backend services — whether you need a new REST API, a tricky bug fixed, a legacy service refactored, or a full-stack feature built end-to-end. What I deliver: ✅ Spring Boot / Java 17+ ✅ REST & GraphQL APIs ✅ React frontend integration ✅ SQL / JPA / Hibernate ✅ AWS deployment & CI/CD pipelines Clean, testable code. Clear commit messages. Fast, reliable communication. Message me with your project details and I'll respond within a few hours (AEST).

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