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Senior Java Engineer - High-Scale Banking Platform - Multiple roles from $160-220k + super + bonus
Build and evolve mission-critical banking systems processing millions of transactions daily. We're talking sub-100ms P99 latencies, five-nines availability, and zero-downtime deployments across personal and business banking platforms.
The Stack
- Core: Java 17+, Spring Boot 3.x, reactive streams
- Cloud: GCP (GKE, Cloud Run, Pub/Sub, Cloud SQL, Spanner)
- Data: PostgreSQL, distributed caching, event-driven architectures
- Observability: Full distributed tracing, metrics pipelines, chaos engineering
- CI/CD: GitOps, containerized deployments, progressive rollouts
What You'll Actually Do
- Design high-throughput, fault-tolerant microservices that handle money (yes, that kind of pressure)
- Tackle distributed systems challenges: eventual consistency, idempotency, circuit breakers, rate limiting
- Optimise JVM performance, database queries, and network I/O for millisecond-level improvements
- Lead technical design reviews and mentor engineers on patterns that matter at scale
- Own production: you build it, you run it—full observability and incident response
What We're Looking For
- Deep Java expertise with real production war stories
- Strong fundamentals: concurrency, memory management, profiling, performance tuning
- Experience building resilient distributed systems in the cloud
- You've debugged gnarly production issues at 2 AM and lived to optimize for them
- Pragmatic about technology choices—you know when to use the boring solution
- Comfortable with high-stakes environments where correctness and reliability are non-negotiable
Why This Role
- Work on genuinely complex engineering problems with significant scale
- Modern tech stack with engineering autonomy
- Collaborate with strong engineers who care deeply about craft
- Financial services domain knowledge (without the legacy pain)
Location: Sydney | Type: Permanent I Hybrid: 3 days a week in the office.
If you've built systems that can't go down and want to solve hard problems with real business impact, let's talk.
Key Skills
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