Senior Data Scientist - ML

Senior Data Scientist – ML

• You are determined to stay ahead of the latest technologies in Data Science!
• We're one of the largest and most advanced Data Science practices in the country
• Together we can build state-of-the-art Data Science models that power seamless experiences for millions of customers.

Do work that matters

As a Senior Data Scientist within the Decision Science Home Buying Modelling Team, you will lead the development and management of cutting-edge models that drive decision-making and deliver high-impact outcomes for the Home Buying portfolio. This role combines technical expertise, leadership, and strategic thinking to solve complex business challenges within the credit risk domain for retail banking home loans.

In this role, you will mentor a team of data scientist professionals, collaborate with key stakeholders such as Product/Credit Risk/Finance/Group Treasury across the business, and leverage advanced data science techniques to enhance customer experiences, optimize portfolio performance, and ensure compliance with regulatory standards.

See yourself in the team:

The Chief Data and Analytics Office (CDAO) team is responsible for leading the delivery of world-class data, analytics and technology capabilities to improve the financial well-being of our customers and communities.

The Decision Science Home Buying Credit Risk Modelling team within CDAO supports the Home Buying business modelling needs through the development and maintenance of predictive models, creating insights to enable business decision making at a strategic and tactical level. These models help support E2E product performance of all the retail home loan products, including pricing, credit risk and portfolio protection.

Key Responsibilities:

This role supports the Senior Manager in Home Buying Modelling to deliver impactful modelling solutions. You will be responsible for the development and management of key credit risk models within the team, with an objective to foster a team vision that utilises state of the art data science and statistical techniques to outperform the market with regards to credit risk origination and portfolio management. You will be expected to drive higher quality/efficient use of data through continuous process improvements. More specifically this will include:

Leadership and Collaboration

• Lead and mentor junior data scientists, fostering a culture of technical excellence, collaboration, and professional growth.
• Translate complex business challenges into data science problems and actionable solutions.
• Work closely with senior stakeholders across Finance, Portfolio Teams, Product, Pricing, and Risk to deliver data-driven insights and strategies.
• Present technical solutions and insights to senior non-technical stakeholders, ensuring clarity and alignment with business goals.

Model Development and Innovation

• Develop, maintain, and monitor application, behavioural, and operational models across credit risk, pricing, marketing, and operations to optimise portfolio performance.
• Utilize advanced data science techniques and tools (e.g., Python, R) to create industry-leading models.
• Drive continuous improvement in data quality, processes, and model efficiency.

Business Impact

• Deliver timely, high-quality statistical models that address key business challenges and align with regulatory and governance requirements.
• Provide implementable solutions that drive profitable growth, productivity, and customer value.
• Collaborate with the broader Data Science community to maintain a centre of excellence for data-driven decision-making

We are interested in hearing from people who:

• Can build, develop and deploy Data Science, ML and Statistical modelling, leading end-to-end projects to drive business decisions and outcomes.
• Are adept with leading data science projects independently, owning the end-to-end process from data collection to model deployment.
• Can apply Gen AI, NLP, Computer Vison, Deep Learning, advanced statistical and ML predictive modelling techniques to develop and implement scalable AI solutions, ensuring accuracy and reliability of models.
• Can collaborate with cross-functional teams to design and execution of data science projects, ensuring alignment with business objectives.
• Are experienced in working with large and complex data within a corporate environment and automating processes.
• Have a natural talent to communicate and positively influence diverse and large group of stakeholders and cross-functional teams.

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 to any one of them or other equivalent tools in ML and statistical modelling will set you up for success in this role.

• Solid foundational experience in leading projects in Data Science, building ML and credit risk models within a financial services organization or an equivalent large-scale environment.
• Strong hands-on coding and ability to write modular and optimized code using Python( R Knowledge preferred but not required) and SQL.
• Deep expertise in developing, building and deploying advanced statistical, credit risk and ML predictive models to implement scalable solutions.
• Innate ability to identify, analyse and prioritise opportunities to expand Data Science capability and think ahead of curve to bring forth AI solutions with greatest impact.
• Curious and innovative mindset blended with pragmatic thinking.
• Bachelor’s degree Or Master’s degree Or Ph.D. in Data Science, Machine Learning, Computer Science, Computational Linguistics, Statistics, Mathematics, Engineering, Physics.

Working with us:

Whether you’re passionate about customer service, driven by data, or called by creativity, a career here is for you. At CommBank, we advocate and facilitate a culture of inclusion and respect, celebrating all cultures, abilities, genders, expressions of gender and sexual orientation. Read more about our commitment to inclusion and diversity on our website.

Our people bring their diverse backgrounds and unique perspectives to build a respectful, inclusive and flexible workplace. We are working hard to recruit people who represent the diversity of our customers and our society. If you're excited about this opportunity but you don't meet every single requirement, or your experience doesn't align perfectly, we still want to encourage you to send in your application. You may just be the perfect candidate for this opportunity or another within CommBank.

At CommBank we will inspire you with work that makes a difference, surround you with talented people that respect and value each other, and empower you to grow professionally and personally. Most of all, making a positive impact for customers, communities and each other is part of our every day.

We’re determined to make a real difference for Australia’s first peoples. We encourage all interested applicants to apply. If you’re already part of the Commonwealth Bank Group (including BankWest), 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.

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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