Senior Software Engineer - Payments & Platform (12-Month Contract)

Westpac New Zealand Limited; Wellington; Hybrid; NZD 120,000 - 170,000; Full time

Job summary

Westpac New Zealand Limited is seeking a Senior Software Engineer for a 12-month contract in Wellington. You will lead backend delivery across payments-related platforms, mentor engineers, and collaborate with product and platform teams to ensure scalable, secure, and customer-centric solutions.

The role emphasizes design, development, testing, and documentation throughout the SDLC, with a focus on performance, reliability, and continuous improvement. On-site work in Takutai Square is required.

Qualifications

• Minimum 5+ years of backend engineering experience.
• Proven skills in Java and Spring Boot.
• Experience with DevOps, CI/CD pipelines, and deployment automation.
• Strong understanding of software architecture and design principles.

Responsibilities

• Design, develop, test, and maintain backend applications and integrations.
• Troubleshoot issues and provide after-hours support when required.
• Ensure best practices in design, coding, performance, and security.
• Create and maintain SDLC documentation for transparency.
• Lead continuous improvement and resilient operations.

Skills

Java

Spring Boot

DevOps

CI/CD

Containerisation

Unit testing

Code reviews

Debugging

Software architecture

AI integration

Tools

Jenkins

Docker

Kubernetes

Job description

Westpac New Zealand Limited is seeking a Senior Software Engineer for a 12-month contract in Wellington. You will lead backend delivery across payments-related platforms, mentor engineers, and collaborate with product and platform teams to ensure scalable, secure, and customer-centric solutions.

The role emphasizes design, development, testing, and documentation throughout the SDLC, with a focus on performance, reliability, and continuous improvement. On-site work in Takutai Square is required.