Lead Full Stack Developer - Security Focus

We are Theta, a New Zealand-owned technology consultancy helping organisations transform through technology. With offices in Auckland, Wellington, Christchurch, and Tauranga, we work with leading organisations across Aotearoa to deliver smart, pragmatic, and impactful digital solutions.  

About this role | Mō tēnei tūranga mahi

We’re looking for a Technical Lead Full Stack Developer to join our Digital Practice. In this role, you’ll lead a team to help secure mission-critical systems against internal and external threats in the fast-paced landscape of software security. 

What You Will Do | Ngā haepapa 

• Use your superb communication skills to liaise with internal and external stakeholders
• Mentor other developers and share knowledge within the team
• Improve security of systems by addressing vulnerabilities and applying best practices to Front-end (Angular) and Back-end (C#) applications
• Contribute to design and architecture decisions, and advocate for software development and security best practices 
• The hands-on aspect: Write clean and maintainable code with accompanying automated tests 
• Find new ways to leverage AI coding tools for efficiencies
• Participate in code reviews, Scrum ceremonies, and continuous improvement initiatives 
• Stay up to date with security, front- and back-end technology trends, tools, patterns, best practices and emerging technologies 
• Collaborate with designers, stakeholders and developers to understand requirements, and build functionality into existing applications following software development and security best practices

What You’ll Bring | Ngā pūkenga me ngā wheako 

Must-Have: 

• 8+ years of commercial experience in software development, including both Front- and Back-end
• Demonstratable experience in leading teams of developers
• Superb communication skills, oral and written, and ability to articulate technical subjects to non-technical stakeholders
• Great interpersonal and collaboration skills 
• Customer-facing experience, both in terms of presales activities and project-led interactions
• Solid knowledge of software development best practices, especially security related
• Experience working on large legacy-heavy codebases
• Web application API development experience, including ASP.NET APIs, Azure Functions/API Management, or similar frameworks 
• Proven experience with the Microsoft development stack for Back-end development: Building JSON-based RESTful APIs in C# (.NET Core), with Azure Functions/API management and SQL Server for data storage
• Strong hands-on experience with TypeScript, HTML5 and CSS, and utilising modern front-end SPA frameworks, specifically Angular, for application development
• Experience integrating front-end applications with JSON-based RESTful APIs 
• Experience using AI tools (e.g., GitHub Copilot, Claude Code, etc.) to aid development 
• Experience with setting up and configuring CI/CD pipelines (e.g. Azure DevOps, GitHub Actions) especially in the context of build and test automation 
• Excellent time management, and able to work in a fast-paced environment 
• Right to work in NZ

Nice-to-Have: 

• Exposure to Scrum or other Agile-based frameworks and methodologies 
• Exposure to testing frameworks (e.g., Jasmine, Karma, Cypress) 

 About us | Mō mātou  

Our team of 280+ experts span software development, data and insights, cloud transformation, integration, cyber security, and more. We’re proud to be a Microsoft and AWS partner, and we’re deeply committed to inclusivity, sustainability, and Te Ao Māori. 

Our values are:   

• Our people are our greatest asset.  
• We conduct business ethically.  
• Invention, imagination and creativity are the foundation for growth.  
• We work with positive energy, enjoyment, humour and work/life balance.  
• Excellence is our passion, and we deliver what we promise – or more!  
• We strive to take a pragmatic approach to all of our activities  
• We value and appreciate our natural environment and seek to play our part to maintain it 

 Benefits of working at Theta | Ngā hua ka puta i te mahi ki Theta 

Theta offers a family friendly work environment with flexible work hours where practical; especially relevant for caregivers.

We embrace gender equality and are committed to providing a supportive, diverse and inclusive work environment throughout our workplace. 

Theta is committed to giving back to the community and are avid supporters of Cure Kids. We compete in various adventure races and do many other things to raise money for Cure Kids. And we make time for the fun things in life! 

We currently provide the following benefits to ensure your professional development and personal wellbeing: 

• Professional growth and learning opportunities 
• A competitive salary (commensurate with experience) 
• Fully subsidised medical insurance for employees 
• Heavily discounted medical insurance for immediate family of employees 
• Enhanced parental leave payment – salary top-ups plus return-to-work incentive 
• Hybrid working model (from a minimum 2 days in the office) 
• Volunteer days 
• Internal Referral Incentive 
• Staff Assistance Programme 
• Annual Flu injections 
• Sick leave from your first day on board 
• Remote working options where practical and mutually agreed 
• Daily fresh fruit basket, coffee machine, wide selection of teas and biscuits in all of our offices 
• We are also an accredited employer with INZ

Please note: All potential employees will be required to consent to a Ministry of Justice check. 

We are only accepting applications from those already in NZ and who have relevant visas.

Apply now | Tono ināianei

Ready to take your career to the next level? We would love to hear from you!