I will develop and fix java spring boot backend apis

T
tigerm98
T
tigerm98
Tigran
develop and fix java spring boot backend apis
develop and fix java spring boot backend apis
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develop and fix java spring boot backend apisdevelop and fix java spring boot backend apis

About this gig

Professional Java Spring Boot Backend Development

I'm a backend developer with hands-on production experience building Spring Boot microservices for fintech and mobile banking applications. If you need clean, reliable backend code that works beyond localhost, I can help.

Services I offer:

REST API development Spring Boot, Spring WebFlux (reactive), Java Microservices scalable, maintainable services using hexagonal architecture and CQRS Database integration PostgreSQL, MongoDB, Redis Event-driven systems Kafka producers, consumers, and reliable message processing Authentication & security JWT, OAuth2, Keycloak integration Bug fixes & refactoring debugging existing Spring Boot codebases API documentation Swagger / OpenAPI 3 Unit & integration tests JUnit, Mockito

Why work with me:

Production experience in the fintech/mobile banking space Strong English communication I explain trade-offs, not just deliver code I ask the right questions upfront, so you get fewer revisions and faster delivery Every delivery includes clean, readable code and a working example you can run

Before ordering, please message me first with:

  • A short description of what you need
  • Your tech stack (Java version, S

  • Expertise

    • Debugging
    • Performance
    • Security
    • Design
    • Databases

  • Programming language

    • Java

  • Backend framework

    • Spring

Get to know Tigran

Tigran
  • FromArmenia
  • Member sinceDec 2023

  • Languages

    English, Armenian, Russian
Java Backend Engineer | QA Engineer | API & System Testing Java Backend Engineer & QA Engineer with experience in building and testing scalable backend systems using Java, Spring Boot, REST APIs, and PostgreSQL. I also have QA experience, ensuring software quality through API testing, debugging, and validation. I have worked on mobile banking platforms, API integrations, and complex backend systems. I focus on clean architecture, reliability, and performance. I can develop, test, and improve your backend systems to ensure they work correctly in real-world conditions.

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