Lead Full Stack Developer (Microsoft Stack) – Contract

About the role

Theta is seeking an experienced Lead Full Stack Developer to head a team delivering modern web solutions for a range of New Zealand clients. The role focuses on the Microsoft technology stack and involves close collaboration with customers and internal stakeholders.

Key responsibilities

• Lead a team of developers in designing, building and deploying web applications.
• Act as the primary technical liaison with customers, translating requirements into technical solutions.
• Architect and implement APIs using ASP.NET, Azure Functions and API Management.
• Set up, maintain and optimise CI/CD pipelines (Azure DevOps, GitHub Actions).
• Ensure code quality, security and performance across the full stack.
• Drive adoption of DevOps practices and automation.
• Participate in Agile ceremonies (Scrum/Kanban) and promote continuous improvement.

Required profile

• Minimum 8 years of commercial experience with the Microsoft stack (.NET/.NET Core, C#, MS SQL).
• Strong front‑end experience with Angular 10+, HTML5, CSS3, JavaScript/TypeScript.
• Proven experience delivering web‑application APIs and Azure‑based solutions.
• Excellent communication skills and experience in customer‑facing, pre‑sales or project‑lead interactions.
• Demonstrated ability to lead development teams.
• Hands‑on experience configuring CI/CD pipelines and build/test automation.
• Familiarity with AI‑assisted coding tools such as GitHub Copilot or Claude.
• Practical knowledge of Agile methodologies (Scrum, Kanban).

Required skills

• .NET / .NET Core
• C#
• MS SQL
• Angular (10+)
• HTML5, CSS3, JavaScript, TypeScript
• ASP.NET APIs
• Azure Functions & API Management
• Azure DevOps, GitHub Actions
• Azure cloud services
• CI/CD pipeline setup
• AI coding assistants (GitHub Copilot, Claude)
• Agile (Scrum, Kanban)

What we offer

• A creative, inclusive and learning‑focused environment.
• Opportunities for professional growth across a national network of offices.
• Collaboration with some of New Zealand’s leading technology teams.