Senior Data Engineer

Mō te tūranga | About the Role

You will design, build, and maintain reliable data pipelines that enable accurate and compliant regulatory reporting across FATCA (Foreign Account Tax Compliance Act), CRS (Common Reporting Standard), and PTR (Prescribed Transaction Reporting), ensuring data is delivered on time, traceable, and audit ready.

Nā tāu rourou | What will you bring?

Required

• Proven experience as a Data Engineer working in modern cloud-based data platforms
• Strong hands-on experience with Python and PySpark for data transformation, pipeline development, and large-scale data processing
• Experience with Scala (preferred for Spark-based processing) within distributed data environments
• Advanced SQL skills for data extraction, transformation, reconciliation, and validation
• Experience designing and building end-to-end ETL/ELT pipelines across complex enterprise data ecosystems
• Strong experience working with AWS data services, including:
  • AWS Glue (ETL / Spark-based transformations using PySpark)
  • Amazon S3 (data lake storage, partitioning, and dataset management)
  • AWS RDS / Aurora (structured storage for processed datasets)
  • AWS DataSync (data ingestion from DIP into AWS pipelines)
• Experience working with DIP (Data Integration Platform) for upstream data ingestion and integration into regulatory pipelines
• Experience with CloudBees (Jenkins-based CI/CD) for pipeline deployment, automation, and release management
• Strong understanding of batch processing, orchestration, and scheduling of regulatory data pipelines

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

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. 

Mahi tahi tātou, kaha ake tātou | Together Greater

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