Senior Software Engineer, Full Stack

Westpac New Zealand

Senior Software Engineer designing and building mobile applications for Westpac New Zealand. Collaborating with teams to improve customer payment experiences in a fast-paced delivery environment.

Posted 7/17/2026full-timeHapori Pōneke • 🇳🇿 New ZealandSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in full stack development, particularly with Java, while delivering scalable and maintainable applications. Strong collaboration and communication skills are essential for aligning with cross-functional teams and integrating AI into engineering workflows.

Highest-signal resume keywords

Full Stack DevelopmentJava ProgrammingCI CD PracticesTesting and DebuggingCollaboration Skills

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software EngineeringApplication DesignScalable ApplicationsMaintainable ApplicationsQuality Engineering

Soft Skills

Problem-Solving SkillsCustomer Focused MindsetStrong Communication Skills

Tools & Technologies

DevOps PracticesCloud-Based PlatformsModern Delivery Pipelines

Industry Keywords

PaymentsTechnical DesignArchitecture DecisionsPerformanceSecurityReliability

Tech Stack

Tools & technologies

CloudJava

About the role

Key responsibilities & impact

Design, build and maintain mobile applications that deliver meaningful customer experiences in a fast-paced environment with evolving requirements and tight delivery timelines
Collaborate with architecture and wider Payments team to align on and implement architectural changes while continuing to deliver new customer features
Contribute to technical design and architecture decisions while supporting others in the team
Work closely with product, platform and engineering partners to deliver end to end solutions
Share knowledge, support others and help grow team capability
Contribute to engineering practices across performance, security and reliability
Identify opportunities to improve systems, processes and delivery approaches

Requirements

What you’ll need

7+ years of experience in software engineering, with strong experience in full stack development, ideally using Java
Strong collaboration skill, with working across teams to align on shared goals, dependences and technical direction
Experience working in complex environment where multiple initiatives are delivered in parallel
Proven experience designing and building scalable, maintainable applications across front end and back-end systems
Strong capability across testing, debugging and quality engineering practices, ensuring reliable and high-quality solutions
Experience with CI CD and DevOps practices, including modern delivery pipelines and cloud-based platforms
Strong problem-solving skills, with the ability to work through complex challenges and deliver practical outcomes
Strong communication and collaboration skills, with a customer focused mindset, and integrates AI effectively into engineering workflows to improve quality and efficiency, demonstrates strong judgement on appropriate use, and coaches others on responsible AI practices.

Benefits

Comp & perks

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