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Senior java back-end engineer

Sydney
The Onset
Posted: 31 July
Offer description

Join a high-impact engineering team building critical infrastructure used by millions every day. You'll work in a global-scale financial services environment, solving complex, meaningful problems that directly affect the real world.

You'll be part of a collaborative, forward-thinking team, the key to modernising a global banking experience.


Contract Opportunities:

* Multiple contract opportunities
* 12-months initially with potential to extend
* Up to $1,000 per day
* Hybrid - 3 days


Responsibilities:

1. Design and build scalable APIs and event-driven microservices with Java, Spring Boot, and modern cloud tooling
2. Solve distributed systems challenges like real-time data flows, secure access, and low-latency processing
3. Champion clean code, performance tuning, and system resiliency best practices
4. Contribute to team culture by leading design discussions, reviewing pull requests, and improving developer experience
5. Collaborate closely with DevOps, product, and SRE teams to ensure systems are resilient, observable, and production-ready


Qualifications:

1. Engineers who thrive in fast-paced environments and are driven by real-world impact
2. Deep experience with Java, Spring Boot, and cloud-native architectures (AWS OR GCP preferred)
3. Understanding of event-driven patterns and messaging tools like PubSub, Solace, SQS/SNS
4. Strong SQL and NoSQL experience
5. Familiarity with contract testing, CI/CD, and unit/integration testing at scale


Why You'll Love It:

1. Be part of a mission-critical team in a global financial organisation
2. Work with modern tools and engineering practices at scale
3. Join a collaborative culture where innovation and autonomy are encouraged

If you're interested, APPLY HERE or reach out to Monica@theonset.com.au

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