Senior Data Scientist
Posted on July 25, 2025 by Westpac Group
- Tanza, New Zealand
- N/A
- Full Time

Support bank-wide strategies and initiatives by applying analytical expertise across data domains, delivering insights, leading the build out of calculators and models, and recommending actions that help achieve strategic outcomes across the WNZL portfolio and customer journeys.
- Mentor and guide other data professionals to help them deliver solutions to complex business problems.
- Identify, analyse and interpret trends or patterns in complex datasets in order to realise the value of data to support the objectives of the bank.
- Analyse and understand complex business problems and existing codebases so that new models and/or calculators can be built to solve these problems.
- Design, develop and optimize required processes, calculators and models to support core business functionality.
- Bring a high level of attention to detail and a focus on delivering quality outputs that are well documented, explainable and repeatable.
- Develop reusable data assets, models and calculators.
Nā tāu rourou | What will you bring?
- 5+ years’ experience in using Analytics tools to deliver business insights.
- Strong SAS programming experience.
- Experienced with source control tooling (e.g. Git).
- Experience working with complex data and able to provide quality insights.
- Ability to manage and build relationships with stakeholder.
- Solid verbal and written presentation skills.
- Knowledge of the financial services industry including working knowledge of retail and business products and metrics.
- Willingness to embrace new technologies.
- Tertiary qualification in related analytical discipline.
- Other analytics tool experience - e.g. R, Python
Westpac Hei Wāhi Mahi | Working at Westpac
In addition to immersing yourself in a supportive team environment, you'll receive some great job perks and benefits including:
- 4 weeks standard holiday + 5 additional days of wellbeing leave to support you to be your best
- Additional purchased leave options up to 4 weeks per year
- Banking benefits, insurance discounts and superannuation scheme
- Growth and development – we provide opportunities for development and promote internal mobility
- Recognition - we recognise and reward our star performers
- School holiday subsidy - help you balance work and family during school holiday
- 2 Volunteer days per year
At Westpac, we’re working together to build a fairer and stronger New Zealand for our people, customers, and communities. For over 160 years we’ve been driven by our purpose to Create Better Futures Together.
Advertised until:
Aug. 24, 2025
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