Senior Kotlin/Java Developer – FX Technology (Hybrid Sydney-based, 12-month contract)

About Us

We are a forward-thinking financial services organization committed to leveraging technology and data to improve the financial wellbeing and sustainability of millions of customers. Our engineering community is central to this mission, building innovative tools, apps, and platforms that underpin every facet of the business and help shape the future of banking.

The Role

As a Senior Engineer within our Market Risk Technology team, you’ll play a pivotal role in developing and maintaining systems that handle complex post-trade risk data and regulatory reporting (APHRA requirements). You will design, implement, test, and deploy ETL pipelines, APIs, and microservices in a fast-paced environment, balancing independent work with collaboration. You’ll also mentor junior team members, challenge existing processes, and continuously seek innovative solutions.

You’ll be joining a skilled team with a high level of tenure, aiming to increase delivery velocity and meet a critical project deadline set for mid next year. The work involves orchestrating both vendor and in-house components within an OpenShift-based Kubernetes environment, managing messaging with RabbitMQ, and working with internal S3 data storage—not public cloud at this stage but designed to be cloud-ready.

What You’ll Do

Develop and maintain ETL processes using Kotlin and Java (Spring Boot) within a Kubernetes containerized environment.

Build, test, deploy, and manage APIs and microservices for market risk data integration and reporting.

Collaborate closely with business analysts, testers, and other engineers to deliver high-quality solutions.

Mentor team members and promote best practices across development and testing.

Manage SDLC processes with strong DevOps practices (CI/CD pipelines, Docker, Helm).

Interact with legacy SQL systems, resolving integration challenges and improving system robustness.

Lead developer-led testing efforts, including take-home tasks and technical discussions during the interview process.

Continuously improve delivery velocity while maintaining high-quality code standards.

What We’re Looking For

Strong development experience with Kotlin and/or Java (Spring Boot).

Solid experience in container orchestration with Kubernetes and OpenShift.

Hands-on experience with messaging systems like RabbitMQ and managing data in S3 storage environments.

Familiarity with enterprise-grade API development, microservices architecture, and integration endpoints.

Practical skills with SQL databases such as MS SQL, Oracle, or MySQL.

Strong DevOps background, including CI/CD, Docker, and Helm.

Comfortable working within Agile frameworks and developer-led testing methodologies.

Experience with JVM optimization, concurrent programming, and Java 8 features is a plus.

Experience working in regulated financial environments or with regulatory reporting is advantageous.

Excellent communication skills, able to translate complex technical concepts for non-technical stakeholders.

Proactive, self-starter mindset with a passion for continuous improvement and innovation.

Why Join Us?

Meaningful, high-impact work contributing to regulatory compliance and market risk technology.

Hybrid working model with office presence required Tuesdays through Thursdays.

Collaborative environment with opportunities to learn, grow, and lead.

Join a diverse and inclusive team dedicated to flexible work arrangements and employee wellbeing.

Potential to transition to a permanent role based on project success.

Work with modern tech stacks and best practices in a growing, dynamic technology organization.

Hiring Process

Initial 30-minute screening call

Take-home technical task (2-day completion, with allowance for dummy interfaces and detailed notes)

Final 1-hour technical deep dive on the take-home solution, including discussion of technology use, challenges, and trade-offs

Location & Contract Details

Location: Sydney (Hybrid - 50% office Tuesday to Thursday)

Role Type: 12-month contract, with potential for a longer term engagement