Senior Software Engineer

About Gallagher

Our purpose at Gallagher is 'Protect what matters most' and we live it every day, whether that's protecting the world's highest security environments or agricultural businesses, we care deeply about our people, their families, and our wider communities.

Gallagher Security is on a mission to unlock more value for our customers through the power of our people and solutions. Our culture is entrepreneurial in spirit, complex, challenging, and ever changing. With operations in New Zealand, Australia, Asia, Africa, USA, Canada, the UK and Europe and exports to over 160 countries, we're proud to be unlocking globally focused career paths for New Zealand based candidates.

We're painting the future of what's possible. Come join us.

The Opportunity

At Gallagher Security, our Senior Software Engineers (Front End) are key drivers in creating world-class user experiences for our SMB platform, used by customers across the globe.

We're looking for a Senior Software Engineer to join our agile development team. You'll take a lead role in designing and implementing the user-facing aspects of our products, working closely with the UX team and wider engineering squads. Your expertise will ensure that our applications are robust, secure, and scalable, while providing an outstanding user experience.

What You'll Be Doing:

Leading collaboration with the UX team to define product scope and design solutions through techniques such as design sprints, prototypes, and user story mapping

Developing and delivering high-quality front-end software components using modern web frameworks, including ReactJS and Redux

Applying HTML, CSS, and JavaScript skills to produce clean, maintainable, and efficient code

Reviewing and providing feedback on peers' code, promoting best practices and coding standards across the team

Supporting existing products through technical troubleshooting, debugging, and quality assurance

Mentoring junior and intermediate developers, sharing knowledge, and contributing to team growth

Staying up to date with emerging technologies and front-end development trends to continuously improve team capability

About You

You're a hands-on front-end engineer who enjoys solving complex problems, collaborating in an agile environment, and delivering high-quality user experiences. You take pride in clean, secure code and in seeing your work used by real-world customers.

You'll bring:

A relevant tertiary qualification or equivalent experience

5+ years of commercial software development experience

Strong proficiency in front-end web development backed by a Cloud-hosted microservice architecture, including ReactJS, Redux, HTML, CSS, and modern JavaScript/TypeScript frameworks

Experience in developing secure web applications, including knowledge of OWASP and CORS policies

Proficiency with version control, debugging tools, and agile development practices

Demonstrated experience mentoring and enabling other team members

Some experience in mobile application development

A preference for working and delivering in an Agile, customer-focused, outcome-driven, collaborative environment

Why Gallagher?

At Gallagher, you'll join a global technology leader with a proud history of innovation. We design and deliver security solutions that protect some of the world's highest-security sites - from airports to government agencies.

We also offer:

Competitive Salary and Bonuses

Hybrid flexibility (3 days office / 2 days home)

Kiwi Saver on top & Life and Disability insurance

Global exposure and professional development opportunities

Plenty of fun along the way; Team building events, inspiring guest speakers, and team lunches

Join our SMB Squad and help shape the technology that drives Gallagher's world-leading security solutions.

Department

Security

Role

Product & Technical

Locations

Hamilton, New Zealand

Employment type

Full-time

Closing Date:

04 December, 2025

CONTACT

Anne Campbell

Talent Acquisition Advisor – People