Principal .NET Software Developer

We are recruiting a Principal .NET Software Developer (also known as Principal Software Engineer / Software Architect) to provide technical leadership and architectural ownership across enterprise scale, cloud-based applications.
This role is ideal for a senior technologist with strong .NET experience, deep software architecture expertise, and a proven background designing high performance, scalable systems in AWS or Azure environments.

Key Responsibilities

• Lead the software architecture and technical direction of core platform services
• Design and develop enterprise APIs, backend services, and web applications
• Write and review high quality C#/.NET production code
• Own performance, scalability, availability, and security requirements
• Drive best practices across clean code, design patterns, and system architecture
• Identify and reduce technical debt while improving system maintainability
• Collaborate with Product, Engineering, QA, and Senior Leadership
• Support agile delivery through code reviews, mentoring, and technical guidance
• Maintain architectural documentation and technical standards

Essential Skills & Experience

• 8+ years' experience in software development and system architecture
• Expert knowledge of C#, .NET, ASP.NET, MVC
• Strong experience with JavaScript frameworks (Angular, Node.js)
• Excellent understanding of SQL Server, relational databases, and NoSQL
• Commercial experience deploying applications in AWS and/or Microsoft Azure
• Knowledge of CI/CD pipelines, DevOps practices, and code quality tools (e.g. SonarQube)
• Strong background in software design patterns, microservices, and distributed systems
• Experience working in agile / scrum environments
• Degree in Computer Science, Software Engineering, or related discipline (preferred)

What you need to do now

If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.

If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career.

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