Senior Data Scientist

Do work that matters

As a Senior Data Scientist in the Business Bank's AI Centre of Excellence ( AiCE ), you'll help design and deploy multi-agent AI systems that automate lending workflows and enhance customer experiences. Using agent-oriented design patterns, you'll drive intelligent automation and deliver measurable business impact. You bring hands-on expertise in modern AI and data science, with a passion for building scalable, production-ready solutions.

See yourself in the team

You will work closely with key business stakeholders in the Business Bank, from our front line segment colleagues, through to our top of house risk and controls functions, while navigating the full breadth of Business Bank product and financial services design and delivery functions. Your AI and Data Science perspective will be informed by your experience in the financial services or financial technology domains.

We are seeking people who are:

• Passionate about building market-leading commercial applications that utilize state-of-the-art generative AI techniques to improve work productivity and provide the best customer service

• Excited about tackling new, challenging business problems in AI.

• Adept at using a combination of commercial and technical AI models to find unique solutions that add strategic value to the business.

• Collaborative in nature, working with product teams, curious enough to solve real-world problems, and courageous in positively influencing senior stakeholders using cutting-edge AI solutions.

• Natural leaders who enjoy mentoring team members using their technical expertise and fostering a positive and inclusive culture that promotes development and growth.

• Constantly thinking outside the box and breaking boundaries to solve complex data science problems using generative AI methods.

We are also interested in hearing from people who:

Are experienced in applying cutting-edge AI techniques to large and unstructured data within a corporate environment.

Excited to deploy AI models into production.

Have a natural talent to educate, communicate and positively influence a diverse and large group of stakeholders and cross-functional teams.

Tech skills:

We use a broad range of tools, languages, and frameworks. While we don't expect you to know them all, experience or exposure to generative AI, agents, AI, and machine learning will set you up for success in this role.

• Generative AI Hands-on Delivery Experience: S uccessful ly deployed applications of generative AI in production settings.

• Expertise in AI: Including prompt engineering, retrieval-augmented generation (RAG), safety guardrails, and Agentic AI frameworks.

• Cloud Platforms: Experience using AWS Bedrock, SageMaker, or Microsoft Azure OpenAI platforms.

• GenAI and AI Models: Demonstrated experience in developing, deploying, and monitoring generative AI and AI models.

• LLM Models: Proficiency in using large language models (LLMs) for various business applications.

• Machine Learning Experience: Expertise in designing , constructing and deploying traditional machine learning models, covering feature engineering, model selection, hyperparameter tuning, model evaluation.

• Statistic s and Big Data: Proficiency in statistical modelling using R, Python and SQL for big data analysis. Experience in working with big data platforms such as SQL, HDFS, Hive , Spark , Amazon EMR and S3 .

If this role sounds like you – Apply now

We support our people with the flexibility to balance where work is done with at least half your 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 for you.

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: 19/10/2025