Senior Data Engineer

Join to apply for the Senior Data Engineer role at Westpac New Zealand .

Applications close 4 December 2025 .

Mō te tūranga | About the Role

• Build reusable, scalable data assets that meet evolving business needs.
• Translate business requirements into robust data products that are intuitive and consumable.
• Model data with future scalability and flexibility in mind.
• Act as a bridge between business stakeholders and tech teams to ensure alignment and value.
• Collaborate and lead with business units to understand data needs and translate them into technical solutions.
• Lead the design, development and maintenance of reusable data pipelines using PySpark, Hadoop, and Airflow.
• Lead the implementation of robust data models that support scalability and performance.
• Ensure data quality, integrity, lineage and governance across all assets.
• Automate data workflows and integrate CI / CD practices using GIT.
• Maintain and optimize databases (SQL / NoSQL) for efficient data storage and retrieval.
• Lead the data excellence and inspire best practices across teams.
• Expert knowledge on modern data platform (Snowflake).
• Define and evolve enterprise-wide data engineering standards, patterns, and best practices.

Nā tāu rourou | What will you bring?

Westpac Hei Wāhi Mahi | Working at Westpac

Referrals increase your chances of interviewing at Westpac New Zealand by 2x.

Ko mātou tēnei | Our Organisation

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.

What makes us unique are the incredible people we’re lucky enough to have walk through our doors every day. The giant “W” on our building doesn’t just stand for Westpac – it says, double you. We’re a place that values, rewards and recognises individuality. Where you can be your whole self, your true self, and your best self. We’re recognised as a place where talent is developed, where passions are fuelled and where ambitions of all shapes and sizes thrive. And it all starts with you!

Tono mai ināianei! | Apply Now!

Apply today with your CV and Cover Letter. The people of Aotearoa, New Zealand hail from many cultures and backgrounds. At Westpac New Zealand, we draw on this enormous talent pool to cultivate a team rich in ability and empowered to reach its full potential. Our aim is to be brave challengers, celebrating our differences and relentlessly advocating for our customers. It starts with us – we believe that when we care deeply and do our best for our people, they’ll do their best for our customers. We encourage people from all walks of life to apply, including those who are neurodiverse, have chronic health conditions or disabilities – your attitude and passion are as important to us as your experience, qualifications and capabilities.

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