Senior Data Scientist

Do work that matters

As a Senior Data Scientist in Business Banking you'll help shape the future of intelligent banking experiences. Working within the Payments domain, you'll design and deploy advanced AI and machine learning solutions that automate processes, enhance customer experiences and support critical business decision-making.

You'll combine deep technical expertise with commercial thinking to solve complex problems, working across high-impact initiatives that leverage Generative AI. This is an opportunity to influence how AI is applied at scale while mentoring others and contributing to the ongoing evolution of the Bank's AI capability.

See yourself in our team

Within Business Banking, you'll work alongside data scientists, AI specialists, product teams and business leaders to deliver innovative solutions that create real customer and business value.

You'll collaborate closely with stakeholders across frontline teams, product, risk, controls and technology functions, bringing together diverse perspectives to solve complex problems and deliver meaningful outcomes.

In this role, you will:

Lead the design, development and deployment of advanced AI and machine learning solutionsApply Generative AI, Agentic AI and retrieval-augmented generation (RAG) techniques to solve complex business challengesDevelop and enhance high-risk analytical models that support business and customer outcomesPartner with senior stakeholders across business, risk and technology to identify opportunities and drive adoption of AI solutionsBuild scalable, production-ready AI applications and ensure ongoing monitoring and performance optimisationMentor and develop data scientists while contributing to a strong and inclusive team cultureTranslate complex technical concepts into clear business outcomes for executive audiences

We're interested in hearing from people who:

Have significant experience delivering Data Science, Machine Learning or AI solutions within financial services, fintech or other complex environmentsHave hands-on experience deploying Generative AI applications into productionDemonstrate expertise across prompt engineering, RAG architectures, safety guardrails and Agentic AI frameworksAre highly proficient in Python, SQL and statistical modelling techniques for large-scale data environmentsPossess strong stakeholder management skills and can influence senior leaders through data-driven insightsHave experience developing, validating or overseeing high-risk models and model governance practicesEnjoy leading, coaching and mentoring others while fostering a collaborative team culture

Working with us

At CommBank, we're committed to creating an accessible, inclusive and respectful workplace. If you require support or adjustments, please let us know. We welcome applications from people of all backgrounds and we're particularly committed to making a positive difference for Aboriginal and/or Torres Strait Islander Peoples.

If you're already part of the Commonwealth Bank Group (including Bankwest, x15ventures), you'll need to apply through Sidekick to submit a valid application. We’re keen to support you with the next step in your career.

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Advertising End Date: 23/08/2026