Senior Java Software Engineer | API

Contract Type:

Location:

Brisbane - QLD 

Industry:

IT

Category:

Engineer - Software

Contact Name:

Jack Davies

Contact Email:

jack.davies@pra.com.au

Date Published:

17-Apr-2026

  • 6 month contract - great daily rate on offer
  • Brisbane CBD/hybrid role
  • Exciting transformation project
The role

Our client, a financial services organisation undergoing a large-scale technology transformation is looking for a senior Java engineer to design and build an API layer between its legacy core system and new downstream platforms. This is a greenfield-within-brownfield engagement with genuine architectural influence.

What you'll do
  • Design and build RESTful APIs using Java Spring Boot 3 as the integration layer between legacy and new systems
  • Implement secure, token-based authentication using OAuth 2.0 / OpenID Connect
  • Integrate with a custom identity management solution 
  • Architect clean integration patterns so new systems can consume well-structured data without tight coupling to legacy internals
  • Support cloud migration activity and contribute to architectural decisions across AWS or Azure environments
  • Coach and mentor engineers, and communicate technical context clearly to non-technical stakeholders
What you'll have

Experience and qualifications
  • 5+ years of software engineering experience delivering solutions across cloud and enterprise platforms
  • 5+ years working within large organisations as part of an agile delivery team
  • Strong analytical and fault-finding skills across a range of technical domains
Technical — required
  • Strong production experience with Java Spring Boot (v3 preferred)
  • Solid understanding of OAuth 2.0, OpenID Connect, and token-based authentication
  • Experience designing and documenting APIs to the OpenAPI / Swagger standard
  • Proven track record integrating modern platforms with legacy or monolithic systems
  • Good understanding of microservices and API architecture patterns
  • Working knowledge of cloud services — AWS or Azure
How to apply

Select APPLY NOW, or contact Jack at jack.davies@pra.com.au for more information!
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