Description What’s the role? This role is part of our Mob Way program, a culturally grounded pathway unlocking senior opportunities for Aboriginal and Torres Strait Islander leaders. Are you passionate about building great software, refining engineering practices, and helping others do their best work? We’re looking for a Senior Developer to help shape and deliver exceptional developer experiences across Westpac. You’ll join a polyglot engineering team building The Westpac Mesh —a digital platform that enables developers to easily discover, build, deploy, and run future‑ready applications. This includes creating AI‑enabled tooling and agentic workflows that reduce toil, improve productivity, and support high‑quality software delivery. Alongside hands‑on engineering, you’ll help set technical direction and mentor others in building great software. What's the role Building high‑quality software that delights a large internal developer community Designing and improving developer platforms, tools, libraries, and build processes Developing AI‑enabled developer tooling such as search, summarisation, and copilots, with strong evaluation, observability, security, and guardrails Implementing agentic workflows to safely automate repetitive engineering tasks (with human‑in‑the‑loop where required) Shaping the technical direction of products and mentoring junior engineers Identifying and helping remove technical and delivery impediments Contributing to and fostering a vibrant technical community Through Mob Way, you will be supported to grow your career while staying connected to culture. This includes strong executive connection, opportunities to build your networks, and dedicated time for in‑community experiences and elder‑led cultural immersion. What do I need? Over 5 years experience as a polyglot software engineer. Strong experience building APIs and microservices in Java, with exposure to Node.js or Python Experience integrating AI capabilities into platforms, including agentic patterns, tool use, and workflow orchestration Desirable to have an understanding of public cloud platforms (Azure and/or AWS) Familiarity with SaaS technologies such as Kafka or MongoDB (desirable) Practical experience applying AI/LLMs in production environments (e.g. RAG, prompt/tool design, model integration), including testing and responsible AI practices (desirable) Why join us? As part of Mob Way, you will receive tailored career support through executive coaching, culturally safe leadership development, and opportunities to strengthen your connection to community and culture. At Westpac, we’re passionate about becoming our customers’ 1 banking partner for life and we know that starts with creating the best workplace in the country. For Aboriginal and Torres Strait Islander peoples, that means more than just a job. Special offers on banking products and discounts from top brands, including generous employee-only mortgage rates! We offer flexible work arrangements to support your work/life balance, along with a variety of leave options including Culture (such as dedicated Sorry Business Leave), Lifestyle, and Wellbeing Leave. Tailored career support through our Indigenous Careers Team, and growth opportunities like the Echo mentoring program and Jawun secondments. Lots of opportunities to ‘give back’ to the Community by getting involved in our many volunteering initiatives including our Brothers & Sisters Employee Advocacy Group. Create your future today To get started, simply click on the APPLY or APPLY NOW button mobway Create your future today through a role supported by our Mob Way program and a workplace committed to supporting your career. We’re all about creating a supportive and inclusive community. We welcome everyone – no matter your age, gender, background, or abilities. We also provide additional support to welcome our veterans, Indigenous Australians and neurodiverse community. If you need any adjustments during the recruitment process, you can find out more information and additional contact details by visiting the "People with Disability and/or needing Accessibility Requirements" page on our website. At Westpac we aim to help Aboriginal and Torres Strait Islander Australians succeed by supporting Indigenous employees to build meaningful careers Westpac has been granted an S126 Exemption to sections eight (8) and fifty-one (51) of the Anti-Discrimination Act 1977 (NSW); this allows us to advertise and recruit this role exclusively to Aboriginal and Torres Strait Islander applicants. This forms part of Westpac’s strategy to foster a multicultural, vibrant and diverse workforce.