Senior Backend Engineer | Java Spring Boot, API Leader

Westpac New Zealand; Wellington; On-site; NZD 120,000 - 180,000; Full time

Benefits offered by this job

Holiday allowance

Wellbeing leave

Leave options

Career development

Recognition program

School holiday subsidy

Volunteer days

Job summary

Westpac New Zealand is seeking a Senior Software Developer to design, develop, and maintain scalable applications across back-end technologies, while providing leadership in solution design and collaborating with cross-functional teams to deliver high-quality software solutions.

You will design and test, troubleshoot and implement CI/CD pipelines, promote API best practices, mentor junior developers, and document the SDLC to support knowledge sharing.

Qualifications

• 7+ years of backend and API development experience.
• Strong knowledge of database schema design and queries.
• Experience with Java and Spring Boot.
• Familiarity with DevOps, CI/CD pipelines, and deployment automation.

Responsibilities

• Design, develop, test, and maintain applications and integration solutions.
• Troubleshoot and resolve technical issues promptly, ensuring system stability and participating in after-hours support when required.
• Ensure best practice in API design, coding standards, performance and security.
• Collaborate with project teams from concept through delivery to ensure solutions meet business and technical requirements.
• Provide technical guidance and mentorship to junior developers and peers.
• Create and maintain documentation throughout the Software Development Lifecycle (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 to enhance system performance and reliability.
• Maintain and refine support procedures to ensure resilience and minimize downtime.Contribute to release and deployment processes, ensuring accurate documentation and compliance with governance standards.
• Implement automated testing and ensure high-quality code through code reviews and continuous integration practices.

Skills

Backend and API development

Database design and optimization

Tools

Java

Spring Boot

CI/CD pipelines

Containerisation

Job description

Westpac New Zealand is seeking a Senior Software Developer to design, develop, and maintain scalable applications across back-end technologies, while providing leadership in solution design and collaborating with cross-functional teams to deliver high-quality software solutions.

You will design and test, troubleshoot and implement CI/CD pipelines, promote API best practices, mentor junior developers, and document the SDLC to support knowledge sharing.