Senior React / Java Developer
Summary
Hybrid contract role in Brisbane CBD enhancing a major enterprise application: digging into an existing legacy codebase, building React front-ends and Java back-ends, designing APIs and integrations, and supporting IBM WebSphere and Oracle deployments. Runs to June 2026 with a possible 12-month extension, paying up to $132 per hour.
This opportunity will suit a developer who enjoys working with established enterprise applications, investigating existing codebases, and delivering enhancements that improve functionality, integration and performance.
You will work across front-end and back-end technologies, contributing to application modernisation, system integrations and ongoing technical improvements.
- Contract through to June 2026 with 12 month extension
- Brisbane CBD location, hybrid
- Paying up to $132 per
- Reviewing existing application code, architecture, dependencies and deployment processes.
- Developing application enhancements using React, Java and associated technologies.
- Designing and implementing APIs and integrations with other enterprise systems.
- Investigating and implementing technology uplift opportunities.
- Developing automated tests and supporting integration, regression and user acceptance testing.
- Troubleshooting application issues and supporting deployments.
- Maintaining technical documentation and identifying delivery risks.
- Ensuring enhancements maintain compatibility with existing application functionality.
- Strong commercial experience developing applications using React, JavaScript and Java.
- Experience with HTML and CSS.
- Hands-on experience with IBM WebSphere application deployment and troubleshooting.
- Experience working with Oracle databases.
- Proven experience developing APIs and integrating enterprise applications.
- Ability to understand unfamiliar or legacy codebases and implement enhancements safely.
- Strong debugging, troubleshooting and problem-solving skills.
- Excellent communication and stakeholder engagement skills.
- Oracle Cloud, SQL and PL/SQL experience.
- Experience working with enterprise security and access-control requirements.
- Experience delivering solutions within large, complex enterprise environments.
- Previous experience modernising or enhancing legacy applications.
