Senior Full Stack Software Engineer

Momentum Consulting Group; Auckland; Hybrid; NZD 120,000 - 180,000; Full time

Job summary

Momentum Consulting Group is seeking a Senior Full Stack Software Engineer in Auckland for a hybrid role. You will design, implement and maintain complex full-stack applications using React on the front end and Java with Spring Boot on the back end, while embracing AI-assisted tools to improve productivity and code quality.

You will work with product owners and architects to translate business needs into robust technical solutions, champion best practices, and contribute to design decisions and

Qualifications

• Strong commercial experience as a Senior Software Engineer, Full Stack Developer or similar.
• Proven React front-end capability with full-stack experience (Java/Spring Boot).
• Hands-on with AI-assisted development tools for coding, prototyping, and testing.

Responsibilities

• Design, develop and maintain complex full-stack solutions with emphasis on front-end contributions.
• Collaborate with product owners, architects and stakeholders to translate business needs into robust technical solutions.
• Champion clean, maintainable code, automated testing, CI/CD and modern DevOps practices.
• Review designs and code, share knowledge and uplift capability across the team.

Skills

React

Java

Spring Boot

AI-assisted development

CI/CD

DevOps

Code review

Testing

GitHub Copilot

Tools

Claude Code

ChatGPT/Codex

JetBrains AI

Cursor

Job description

Senior Full Stack Software Engineer | Permanent | Auckland (Hybrid)

We’re on the hunt for a Senior Full Stack Engineer to join a well-established Auckland organisation as they continue to evolve their engineering capability and ways of working.

About The Role

This is a hands‑on senior engineering role for someone that enjoys building high‑quality, intuitive applications.

You’ll Be Involved In

• Designing, developing and maintaining complex full stack solutions, with plenty of opportunity to contribute across the front end.
• Working with React, Java and Spring Boot within a modern engineering environment.
• Using AI‑assisted development tools as part of your everyday engineering workflow (whether that’s coding, prototyping, refactoring, debugging, test generation or code review). While applying strong engineering judgement to AI‑generated code, ensuring it remains secure, maintainable and fit for purpose.
• Contributing to solution design and making pragmatic technical trade‑offs around performance, security, scalability and time to market.
• Championing clean, maintainable code, automated testing, CI/CD and strong engineering practices.
• Reviewing designs and code, sharing knowledge and helping uplift capability across the wider engineering team.
• Working closely with product owners, architects and stakeholders to translate business needs into robust technical solutions.

About you

You’ll be an experienced Software Engineer who combines strong technical fundamentals with genuine curiosity about new tools and better ways of building software. Ideally, you’ll bring:

• Strong commercial experience as a Senior Software Engineer, Full Stack Developer or similar.
• Strong React/front‑end capability, alongside the ability to work across the full stack. With experience with Java and Spring Boot.
• Hands‑on experience with GitHub Copilot, Cursor, Claude Code, ChatGPT/Codex, JetBrains AI or other AI‑assisted development tools.
• A good understanding of how to use AI across the development lifecycle without compromising engineering quality, security or maintainability.
• Strong knowledge of software engineering principles, design patterns and modern SDLC practices.
• Experience with automated testing, CI/CD and modern DevOps practices.
• Strong communication skills and the confidence to collaborate across engineering, architecture, product and business teams.

• Please note only applicants currently based in New Zealand with the appropriate work rights (a valid visa) will be considered.