About Gallagher

Our purpose at Gallagher is ‘Protect what matters most’ and we live it every day. Not only does our technology protect some of the world’s highest security environments and agriculture businesses but our purpose also means we care deeply about our people and their families.

Gallagher has operations in New Zealand, Australia, Asia, Africa, USA, Canada, the UK, and Europe and exports to over 140 countries. Our culture is entrepreneurial in spirit, complex, challenging and ever-changing and the business offers New Zealand based candidates unrivalled globally focused career paths.

We have established a dedicated business unit within the greater Gallagher corporate to bring dynamic and innovative thinking to the security space. With a solid investment in R&D and innovation, we have high ambitions for momentous growth over the next few years, and we need the right people in the right places to help us get there. So, come and be part of a genuine New Zealand success story, building new products targeting a global audience.

The Opportunity

We’re growing and looking for a Senior Full Stack C# Software Developer who enjoys the breadth of full‑stack work but has a strong preference for front‑end development with Blazor. You’ll join a collaborative product squad to craft secure, high‑performing user experiences and APIs, ensuring our security system integrates seamlessly with partner products such as Video Management, Elevator and Intercom systems.

As part of #TeamGallagher you will

• Enjoy developing high-quality commercial software and contributing to the success of a world-class product

• Enjoy being part of an agile team that is aspiring to achieve outstanding results

• Enjoy a culture and workplace that fosters collaboration, sharing knowledge and continuous improvement

• Enjoy being challenged and solving problems

• Enjoy an environment where growth and learning are encouraged

Key responsibilities

• Design, develop and maintain full-stack components and services using C#, .NET Core, and Blazor

• Collaborate with UX/UI designers to create intuitive and visually appealing front-end experiences

• Implement RESTful APIs and integrate with back-end services

• Ensure quality and secure coding through best practices, testing, and peer reviews

• Optimize system performance and scalability

• Mentor junior and intermediate developers, sharing knowledge, and contributing to team growth

• Stay up to date with emerging technologies and development trends to continuously improve team capability

To be considered for this role, you will need

• A relevant tertiary qualification or equivalent experience

• Minimum of 5 years’ commercial development experience

• Strong capability in C#, .NET Core, Blazor and React

• Proficiency in HTML, CSS, and JavaScript

• Experience with Entity Framework, SQL Server, and relational databases

• Experience in RESTful API development

• Experience working in agile product-focused teams

• Experience mentoring and enabling other team members

• Experience in cloud development (desirable)

• Experience working with live video protocols (e.g. RTSP) and software (e.g. FFMPEG) (desirable)

Why Gallagher?

You’ll be part of a global, future-focused organisation where engineering talent is valued and supported. You’ll work with smart, passionate people, build products used worldwide, and have room to grow your skills and career.

We also offer:

• Competitive salary and annual bonus scheme

• Hybrid role 3 days office with the flexibility to work from home 2 days

• Life and disability insurance and Kiwisaver

• Global career pathways

We’d love to hear from you. Please note this role will remain open over the Christmas period, and we’ll begin reviewing applications once we’re back in the new year.