Senior Software Engineer - Payments Platform & Tech Leadership

Westpac New Zealand Ltd; New Zealand; On-site; NZD 150,000 - 190,000; Full time

Job summary

Westpac New Zealand Ltd is seeking a Senior Engineer to lead the delivery of payment-related experiences across mobile and web front-ends and the processing layer. You will provide technical leadership, drive best practices, and mentor engineers while collaborating with product and platform partners to ensure scalable, resilient payments capabilities.

You will design, build, test, and maintain applications and integrations, troubleshoot issues, and contribute to governance, security, and SDLC

Qualifications

• At least 5+ years of professional engineering experience in Backend development in Java and Springboot.
• Experience with DevOps such as CI/CD pipelines, containerisation and deployment automation.
• Proficient in unit testing, code reviews, and debugging.
• Ability to break down complex problems and deliver practical solutions.
• Strong understanding of software architecture and design principles.
• Integrates AI into engineering workflows responsibly.

Responsibilities

• Design, develop, test, and maintain applications and integration solutions
• Troubleshoot and resolve technical issues promptly, and participating in afterhours support when required
• Ensure best practices in design, coding standards, performance, and security
• Create and maintain documentation throughout the SDLC to support transparency and knowledge sharing
• Implement changes aligned with design specifications and evolving business needs
• Analyse recurring issues and lead continuous improvement initiatives
• Maintain and refine support procedures to ensure resilience and minimise downtime
• Ensure compliance with governance standards

Skills

Java

Spring Boot

Backend development

DevOps

CI/CD

Unit testing

Code reviews

Debugging

Software architecture

AI in engineering workflows

Tools

Docker

CI/CD tools

Job description

Westpac New Zealand Ltd is seeking a Senior Engineer to lead the delivery of payment-related experiences across mobile and web front-ends and the processing layer. You will provide technical leadership, drive best practices, and mentor engineers while collaborating with product and platform partners to ensure scalable, resilient payments capabilities.

You will design, build, test, and maintain applications and integrations, troubleshoot issues, and contribute to governance, security, and SDLC