Principal Engineer - D365 & AI

Westpac New Zealand Ltd; Auckland; On-site; NZD 180,000 - 240,000; Full time

Benefits offered by this job

4 weeks standard holiday + wellbeing/5

Additional purchased leave up to 4 wks

Banking benefits/insurance discounts/s

Superannuation scheme

Growth and development/ internalmob

Recognition– we recognise and reward

School holiday subsidy

2 Volunteer days per year

Job summary

Westpac New Zealand Ltd seeks a Principal Engineer to shape the architecture of its enterprise platform across Microsoft Power Platform, Dynamics 365, and Azure. This senior role combines technical leadership with hands-on delivery, guiding Agile squads and mentoring engineers to deliver scalable, secure solutions.

You will set technical direction, drive modernization, ensure robust security, and partner with design, product, and business teams to translate strategy into reliable systems.

Qualifications

• Proven leadership of engineering teams focused on architecture and growth.
• Define enterprise architecture with scalable, secure platforms.
• Own full lifecycle from planning to delivery with reliability in mind.
• Mentor engineers, foster transparency, and build cross‑team collaboration.
• Drive modernization, DevOps, and professional development across squads.

Responsibilities

• Lead solution design and drive engineering best practices.
• Set architectural patterns and ensure secure, compliant implementations.
• Oversee delivery of enterprise applications across Power Platform, D365, and Azure.
• Champion code quality with rigorous reviews and automation frameworks.
• Collaborate with design, QA, product, and leadership to align on priorities.

Skills

Leadership

Architectural vision

Team mentoring

Agile collaboration

Security focus

Communication

Tools

Power Platform

Dynamics 365 (D365)

Azure

C#

JavaScript/TypeScript

Git

Visual Studio

VS Code

Azure DevOps

AI tools (AI Foundry, Azure Document Intelligence, Power Platform AI Builder)

Job description

Mō te tūranga | About the role

We’re seeking a visionary Principal Engineer to lead the evolution of our enterprise-wide strategic platform. This is a senior technical and leadership role, responsible for shaping architecture, driving engineering excellence, and ensuring robust security across Microsoft Power Platform, Dynamics 365 (D365), and Azure with experience in delivery AI Projects. You’ll set the technical direction for scalable, resilient, and secure systems, foster collaboration across Agile squads, and mentor engineering talent. As a Principal, you’ll connect management with contributors, challenge the status quo, and champion continuous improvement and innovation.

Ōu Pūkenga | About you

Proven leadership of high-performing engineering teams, with a focus on clarity, purpose, and growth mindset.

Strategic architectural vision: Define and implement enterprise architecture, ensuring consistency, scalability, and alignment with business goals.

Ownership of the full development lifecycle: From planning to delivery, with emphasis on performance, reliability, and operational suitability.

Advanced team management: Mentor and coach engineers, foster transparency, and build strong relationships across squads, business teams, and technical leads.

Collaboration: Work seamlessly with design, QA, product, and engineering leadership, and facilitate cross-team commitments.

Technical excellence: Passion for clean, maintainable, and well-tested code; drive code quality through rigorous reviews and automation frameworks.

Continuous improvement: Champion modernization, DevOps, and professional development; encourage innovative practices and upskilling.

Troubleshooting and root-cause analysis: Lead diagnosis of complex production issues and drive effective resolution.

Documentation and communication: Create and maintain comprehensive technical documentation; communicate effectively with stakeholders.

Understanding of security: High level understanding of secure software design, compliance, and best practices for protecting data and systems.

Ná tāu rourou | What will you bring?

12+ years of software engineering experience, with a strong focus on enterprise applications and architecture.

Expertise in Power Platform and Dynamics 365 (D365): Model-driven apps, plugin development, PCF, and integration practices.

Deep knowledge of Azure PaaS components (Logic Apps, Functions), cloud security, and CI/CD pipelines.

Proficiency in C#, JavaScript/TypeScript, Git, Visual Studio, VS Code, and Azure DevOps.

Experience with AI tools: AI Foundry, Azure Document Intelligence, Power Platform AI Builder.

Bonus: Experience with React, TypeScript, VueJS, and modern front-end frameworks.

Demonstrated ability to lead solution design, technical delivery, and drive engineering best practices.

Strong understanding of software management, upgrade pathways, and compliance requirements.

You’ll also be confident in: Leading solution design and technical delivery Contributing to Architectural patterns Driving code quality and engineering best practices Troubleshooting and resolving complex production issues Creating and maintaining clear, comprehensive documentation.

We welcome interest from qualified overseas candidates. Please note, however, that applicants who already hold the right to work in New Zealand will be given priority during the assessment process.

Westpac Hei 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

Komātoutēnei | Our Organisation

At Westpac, we’re working together to build a fairer and stronger New Zealand for our people, customers, and communities. For over 160years we’ve been driven by our purpose to CreateBetterFuturesTogether. 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!

Mahi tahi tātou, kaha ake tātou | Together Greater

Applications close: 22 November 2026

Our culture is rich with stories of how our people like to help, our customers, our community and each other. This is reflected through flexible working arrangements to ensure that our people have a balance in their life with those things that are important to them. Through ensuring that we provide opportunities to everyone regardless of what society throws at them, we are a safe place to work where you are treated equally and appreciated.