Senior Data & AI Engineer — Lead Production-Grade Systems

Westpac Group; Sydney; Hybrid; AUD 140,000 - 190,000; Full time

Benefits offered by this job

Flexible work arrangements

Leave options: Culture, Lifestyle and/

Learning and development opportunities

Westpac volunteering initiatives

Job summary

Westpac is seeking a Senior Engineer to lead engineering outcomes across squads, balancing design, code and production reliability. You will provide hands-on technical leadership, shape decisions, and mentor others while ensuring security, scalability and operability.

You will work in a hybrid Westpac Technology environment, contributing across web/mobile, APIs, data pipelines, cloud services and shared foundations. Location in Sydney, with flexible arrangements.

Qualifications

• Deep hands-on engineering capability in at least one stack.
• Confidence across design, data, CI/CD, security and observability.
• Sound judgement on migration, concurrency and failure recovery.
• Ability to create risk-aligned evidence through testing.
• Experience operating production systems with monitoring and incident response.
• Security and privacy mindful approach with accessibility and regulatory awareness.
• Experience coaching engineers through pairing and reviews.

Responsibilities

• Lead complex squad-level engineering outcomes through practical implementation and judgement.
• Clarify ambiguous problems and sequence work to deliver value safely.
• Improve service contracts and design for distributed failure and safe deployment.
• Review technical changes and provide clear guidance on acceptance or rejection.
• Foster team capability through documentation, pairing and mentoring.
• Help teams use shared platforms and tools instead of bespoke solutions.

Skills

Hands-on engineering

System design

Production experience

Coaching engineers

Communication

Technical judgement

Tools

AWS

Azure

GCP

Kubernetes

Terraform

Job description

Westpac is seeking a Senior Engineer to lead engineering outcomes across squads, balancing design, code and production reliability. You will provide hands-on technical leadership, shape decisions, and mentor others while ensuring security, scalability and operability.

You will work in a hybrid Westpac Technology environment, contributing across web/mobile, APIs, data pipelines, cloud services and shared foundations. Location in Sydney, with flexible arrangements.