Senior Data Engineer - 8 month contractor

Westpac Bank; Takutai; On-site; NZD 120,000 - 180,000; Full time

Job summary

Westpac New Zealand is seeking a Senior Data Engineer to mentor engineers and drive high‑quality data delivery. You will work across service groups with business stakeholders to ensure risk and compliance are front of mind while delivering innovative banking products that enhance customer experiences.

Required: deep Hadoop stack knowledge (HDFS, Spark), Airflow for data workflows, 5+ years in data/platform engineering, and strong skills in Terraform, CI/CD pipelines, and containerisation; plus

Qualifications

• 5+ years of experience in data engineering or related tech discipline.
• Strong knowledge of the Hadoop stack (HDFS, Spark).
• Experience designing and operating data workflows with Airflow.
• Familiarity with secure SDLC practices for handling sensitive data.
• Proven ability to mentor engineers and contribute to architectural decisions.
• Comfortable with Agile delivery and DevOps practices.

Responsibilities

• Mentor engineers within the squad and promote best practices.
• Lead data engineering initiatives to ensure high levels of service delivery.
• Collaborate with business stakeholders to balance risk, compliance and innovation.

Skills

Hadoop Stack

Airflow

Terraform

CI/CD

Containerisation

Education

Tertiary qualifications in CS/IS/Engineering

Tools

Airflow

Terraform

CI/CD

Docker

Kubernetes

Job description

Jora New Zealand will close on 9th September 2026. Thank you for being with us, we are cheering you on as you continue your career journey.

At Westpac New Zealand, our purpose is to Help New Zealanders Succeed. As a Bank and one of New Zealand's leading employers, we are passionate about helping people. We are taking action today to create a better future for the people who bank with us, work with us, invest in us or are part of our broader communities.

The Senior Data Engineer not only provides expert domain knowledge and expertise in the area they are working in, but as a senior member of the squad, provides mentorship and guidance to others. They operate with greater scope within the service group, wider technology business unit and with business stakeholders to ensure high levels of Service Delivery are maintained and an overarching focus on risk and compliance is always front of mind in the squad.

Communication, negotiation, collaboration and teamwork, and partnership/relationship building skills are key to achieving desired outcomes in this role. In particular to enable the delivery of great innovative banking products that continue to enhance our customers’ experience.

Nā tāu rourou | What will you bring?

• Good at the Hadoop stack, particularly HDFS and Spark.
• Experience orchestrating data workflows with Airflow.
• 5+ years of experience in data engineering, platform engineering, or a related technical discipline.
• Solid understanding of CDC patterns and data streaming patterns.
• Awareness of secure software development practices for handling sensitive data
• Experience with Terraform, CI/CD pipelines and containerisation.
• Demonstrated ability to assess new technologies, review vendor solutions, and recommend improvements to existing engineering approaches.
• Proven capability in diagnosing and resolving complex technical issues throughout the application lifecycle.
• Strong understanding of quality assurance, testing frameworks, and continuous improvement.
• Tertiary qualifications in Computer Science, Information Systems, Engineering, or related discipline, with relevant technical certifications preferred.
• Demonstrated ability to mentor, support and grow engineers.
• Comfortable in Agile delivery and modern DevOps practices.