Senior Data Engineer — AI-Driven Data Platform & Leadership

Westpac New Zealand; Auckland; On-site; NZD 140,000 - 180,000; Full time

Benefits offered by this job

4 weeks standard holiday

5 wellbeing days

Leave options up to 4 weeks per year

Banking benefits

Insurance discounts

Superannuation scheme

Growth and development opportunities

Internal mobility

Recognition of star performers

School holiday subsidy

2 Volunteer days per year

Job summary

Westpac New Zealand is seeking a Senior Data Engineer who blends deep hands-on engineering with technical leadership and AI-driven innovation. The role splits roughly 60% hands-on solution and framework work, 20% AI and developer enablement, and 20% leadership, standards, mentoring and coaching.

You will design and deliver scalable data services, build modern engineering frameworks, and uplift the wider team’s capability.

Qualifications

• 5+ years' experience in Data, Software or Platform Engineering, with at least 3 years working on cloud-based data platforms.
• Strong hands-on expertise in Python, SQL and modern data platforms such as Snowflake.
• Experience designing, building and supporting end-to-end production solutions.
• Proven capability implementing automated testing, CI/CD pipelines and DevSecOps practices.
• Demonstrated technical leadership, including mentoring, coaching and promoting engineering best practices.
• Hands-on experience developing AI-enabled data services using Python, APIs and cloud data platforms.
• Experience leveraging GitHub Copilot and AI-assisted development tools to improve engineering productivity and delivery outcomes.
• Strong solution design and architecture skills, including the ability to communicate technical decisions to a range of stakeholders.
• Experience identifying and managing security, privacy and AI-related risks throughout the delivery lifecycle.

Responsibilities

• Design and deliver scalable data services and modern engineering frameworks.
• Develop AI-enabled solutions and uplift engineering capability across the team.
• Provide technical leadership, standards, mentoring and coaching.
• Mentor engineers on best practices and code quality.
• Collaborate with stakeholders to communicate technical decisions and roadmaps.

Skills

Python

SQL

Data engineering

CI/CD

DevSecOps

AI-enabled data services

Leadership

Architecture design

Stakeholder communication

Tools

Snowflake

GitHub Copilot

dbt

Airflow

Spark

Kafka

Terraform

Azure

TypeScript/React

Job description

Westpac New Zealand is seeking a Senior Data Engineer who blends deep hands-on engineering with technical leadership and AI-driven innovation. The role splits roughly 60% hands-on solution and framework work, 20% AI and developer enablement, and 20% leadership, standards, mentoring and coaching.

You will design and deliver scalable data services, build modern engineering frameworks, and uplift the wider team’s capability.