Senior Software Engineer (Java, Rest API and Data Engineering)

Senior Software Engineer (Java, Rest API and Data Engineering) 

• You are a detail-focused engineer who loves building elegant end-to-end solutions

• We're embarking on an engineering transformation program and ready to push the boundaries  

• Together we will build tomorrow’s bank today, using world-leading engineering, technology, and innovation

Do work that matters

We're building tomorrow’s bank today, which means we need creative and diverse engineers to help us redefine what customers expect from a bank. Envisioning new technologies that are still waiting to be invented and reimagining products that support our customers and help build a brighter future for Australia.
 

Here, you’ll get to turn your passion into reality, working with new technology on state-of-the-art projects to enable a seamless and unrivalled customer experience.  

As a Software Engineer you will play a pivotal role in the team, working within a cross-functional squad responsible for the technical design, development, and rollout of CTC customer experiences.   We are looking for someone to join our team who is passionate about creating transformative digital experiences who thrives in a collaborative environment and is constantly pushing the boundaries to help deliver outcomes that define future industry trends.

See yourself in the team

This role is in the ‘Trade Finance Squad’ in the Commodities, Trade & Carbon (CTC) crew.  The Crew works with CBA's domestic and international trade and supply chain finance customers, providing specialist trade products and services to our Business and Institutional Banking customers. The squad's purpose is to provide leading digital experiences through safe, stable, scalable, and resilient platforms.

Key Responsibilities 

• Design and develop next-generation data platforms and pipeline solutions.

• Build and maintain backend services and integrations using Java Spring Boot, ensuring performance, scalability, and security.

• Collaborate with engineering peers to co-create and contribute to shared practices and frameworks.

• Apply modern coding standards to deliver high-quality, reliable solutions that address core business needs and reduce risk.

• Transform and process source data into data products and enable egression to other platforms.

• Develop efficient Data Lake frameworks using Scala, PySpark, or Python, with robust data quality and security controls.

• Create reusable libraries and config-driven pipelines for enterprise-wide ingestion and integration.

• Ensure compliance with data governance and security standards using tools like AWS DataZone, Lake Formation, AWS Glue and MWAA

• Communicate effectively with internal stakeholders and contribute to team knowledge sharing.

We’re interested in hearing from people who   

• Are proactive with a passion for building innovative data platforms.

• Are collaborative and contributes to and learns from others.

• Have strong communication skills, can engage with stakeholders across the organisation.

• Are security-conscious, understands the importance of data management and governance.

Tech skills  

We use a broad range of tools, languages, and frameworks. We don’t expect you to know them all but experience or exposure with some of these (or equivalents) will set you up for success in this team; 

• Strong experience in Java, Spring Boot, and RESTful API development.

• Demonstrable in Python, SQL, Spark, and Scala for distributed data processing.

• Working Experience with AWS services (e.g. S3, ECS, Lambda) and observability tools like Cloudwatch, Prometheus, or Grafana.

• Experience with CI/CD tools such as GitHub, GitHub Actions, ArgoCD, and automated deployment pipelines.

• Exposure to AI/ML technologies, with the ability to integrate or leverage AI models to enhance data processing, automation, or system intelligence

• Experience using DevSecOps methodologies and best practice to automate deployments and testing.

Nice to Have

• Demonstrable experience with AWS Glue, Lambda, Redshift, Athena, Kinesis, and EMR.

• Exposure to AWS Marketplace, API Gateway, and data monetisation strategies.

• Performance tuning of ETL jobs and query optimisation for cost efficiency.

• Experience with Snowflake or Apache Iceberg.

• Understanding of data product thinking and data mesh principles.

Working with us: 

Whether you're passionate about customer service, driven by data, or called by creativity, a career with CommBank is for you. Our people bring their diverse backgrounds and unique perspectives to build a respectful, inclusive, and flexible workplace with flexible work locations.

Here, you’ll thrive. You’ll be supported when faced with challenges and empowered to tackle new opportunities. We’re hiring engineers from across all of Australia and have opened technology hubs in Melbourne and Perth. We really love working here, and we think you will too. 

We support our people with the flexibility to balance where work is done with at least half their time each month connecting in office. We also have many other flexible working options available including changing start and finish times, part-time arrangements and job share to name a few. Talk to us about how these arrangements might work in the role you’re interested in.

If this sounds like the role for you then we would love to hear from you. Apply today!