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Senior Data Scientist
full-timeSydney

Summary

Location

Sydney

Type

full-time

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About this role

  • You are a highly motivated individual with a real passion for problem solving, modelling and developing AI solutions that drive real-world customer impacts

  • You want opportunities to push boundaries, work within cross-functional squads and lead initiatives

  • You want to join one of the largest and most advanced Data Science and AI practices in the country 

Do work that matters  

As a Data Scientist within Home Buying, you will assist in the development, monitoring, implementation and management of AI and Machine Learning models supporting one of the largest Retail Banking divisions in Australia.  

From applying models and analytical techniques to better support decision management functions, to activating agent-oriented AI design patterns for better automation and driving real results, you will be familiar with the latest and most exciting patterns in AI and Data Science development that may support this mission objective.

See yourself in the team 

Our team values collaboration, growth, and learning. We proactively share the latest ideas and innovations, and we are passionate about data and modelling. Together, we creatively solve a wide variety of challenges united by our passion to deliver what customers want in a rapidly changing world.

You will work closely with key stakeholders to ensure that models are accurate and aligned with the strategic direction of the business. 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 developing market-leading commercial applications that utilise the latest AI techniques to improve work productivity and provide the best customer service!  

  • Excited about tackling new, challenging business problems in AI, as well as evolving existing products and capabilities.  

  • 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.

  • Self-motivated and driven leaders of work that can effectively collaborate and support teams of other data scientists.

Tech skills:  

  • We use a broad range of tools, languages, and frameworks, and appreciate the fast-evolving industry we are in. While we don’t expect you to know them all, hands-on experience or exposure to Generative AI and Agentic AI will set you up for success in this role, with demonstration of successful AI applications and business cases in commercial and/or retail settings highly preferred.

  • A minimum of 5 years of solid foundational experience delivering projects within Data Science, ML models, and/or AI within a Technology or Financial Services organisation (or equivalent large-scale organisation) is preferred.

  • Proficiency in statistical machine learning using Python and SQL for big data analysis. Experience using Cloud platforms such as AWS SageMaker, Microsoft Azure, Snowflake and/or Google Cloud Platform (GCP) would also be beneficial.

  • Expertise in designing and constructing Machine Learning models, including but not limited to experience in feature engineering, model selection, hyperparameter tuning, model evaluation, deployment and monitoring. Proficiency in leveraging AI-enhanced data science pipelines, e.g. Roocode/Cline, etc. would also be beneficial.

If this role sounds like you – Apply now!  

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: 05/02/2026

Other facts

Tech stack
Data Science,Machine Learning,AI Solutions,Python,SQL,Cloud Platforms,Generative AI,Agentic AI,Feature Engineering,Model Selection,Hyperparameter Tuning,Model Evaluation,Deployment,Monitoring,Collaboration,Problem Solving

About Commonwealth Bank

Australia’s leading provider of financial services including retail, premium, business and institutional banking, funds management, superannuation, insurance, investment and sharebroking products and services.
We are a business with more than 800,000 shareholders and over 52,000 employees. We offer a full range of financial services to help all Australians build and manage their finances.

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Team size: 10,001+ employees
LinkedIn: Visit
Industry: Financial Services

What you'll do

  • As a Data Scientist within Home Buying, you will assist in the development, monitoring, implementation, and management of AI and Machine Learning models. You will work closely with key stakeholders to ensure that models are accurate and aligned with the strategic direction of the business.

Ready to join Commonwealth Bank?

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Frequently Asked Questions

What does a Senior Data Scientist do at Commonwealth Bank?

As a Senior Data Scientist at Commonwealth Bank, you will: as a Data Scientist within Home Buying, you will assist in the development, monitoring, implementation, and management of AI and Machine Learning models. You will work closely with key stakeholders to ensure that models are accurate and aligned with the strategic direction of the business..

Why join Commonwealth Bank as a Senior Data Scientist?

Commonwealth Bank is a leading Financial Services company.

Is the Senior Data Scientist position at Commonwealth Bank remote?

The Senior Data Scientist position at Commonwealth Bank is based in Sydney, New South Wales, Australia. Contact the company through Clera for specific work arrangement details.

How do I apply for the Senior Data Scientist position at Commonwealth Bank?

You can apply for the Senior Data Scientist position at Commonwealth Bank directly through Clera. Click the "Apply Now" button above to start your application. Clera's AI-powered platform will help match your profile with this opportunity and guide you through the application process. You can also learn more about Commonwealth Bank on their website.