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Tata Consultancy Services · Sydney

# Senior API Developer

Sydney Senior individual contributor Software Engineering 

Last seen on Tata Consultancy Services’s official careers site on August 1, 2026; it may have closed since.
[Apply on Tata Consultancy Services’s careers site →](https://ibegin.tcsapps.com/candidate/jobs/423436J)

[OpenNash Jobs](https://jobs.opennash.com/) / [Tata Consultancy Services](https://jobs.opennash.com/companies/tata-consultancy-services/) / Senior API Developer

## Job description

### Roles and responsibilities
- Design & Build APIs
- Develop high-quality RESTful APIs using Java 21, Spring Boot 3.x, and OpenAPI 3.0 specifications
- Contract-First Development
- Author and maintain OpenAPI YAML contracts
- Integration
- Integrate with downstream Mesh services via WebFlux/WebClient (reactive HTTP)
- Testing
- Write unit tests (JUnit 5, Mockito), component tests, and maintain Postman/Newman collections - CI/CD Pipeline
- Support Bamboo-based build and deployment pipelines
- Code Quality
- Maintain code coverage and resolve SonarQube issues
- Deployment
- Deploy to WDP Mesh platform
- Observability
- Implement structured logging and performance logging
- Documentation
- Maintain API documentation and developer README files <p style="box-sizing: inherit; margin: 0px; padding: 0px; border: 0px; font-size: 14px; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgb(255, 255, 255); --artdeco-reset-typography_getFontSize: 1.4rem; --artdeco-reset-typography_getLineHeight: 1.42857; line-height: 1.42857; color: rgba(0, 0, 0, 0.9); font-family: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Fira Sans", Ubuntu, Oxygen, "Oxygen Sans", Cantarell, "Droid Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Lucida Grande", Helvetica

## At a glance
- Posted by the employer: Not stated
- First seen by OpenNash: Aug 1, 2026
- Last checked: Aug 1, 2026
- Listed for: Under a day
- Location: Sydney[Apply on Tata Consultancy Services’s careers site →](https://ibegin.tcsapps.com/candidate/jobs/423436J)

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Dates come from the employer where stated; “first seen” and “last checked” are our own observations.

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