Senior Java Developer

Onset Group

📍 Australia, New South Wales, Australia

Full time Computer Occupations Posted February 18, 2026

Job Description

Job Description

Do you want to work on a critical platform powering how millions of users access financial services without the red tape or legacy slowdown? 

This is a chance to own real outcomes in a strategic transformation program migrating to a graph-based, cloud-native architecture.

Multiple 12 month Contract roles with extensions likely

  • Up to $1,080 per day
  • Hybrid flexibility: 3 in-office days Sydney CBD, rest WFH 

You’ll join a senior engineering team in mid-flight on a multi-epic roadmap, building secure, scalable APIs and entitlement services from the ground up. Think modern Java, event-driven architecture, and real-world customer impact.

Why You’ll Love It

  • Solve complex problems: Build self-service entitlements and strategic authority frameworks not yet done in AU banking