C# Software Engineer (TDD Focus)

We are looking for a highly capable Full Stack Developer with a strong commitment to Test-Driven Development (TDD) to join our team. This role is critical in delivering secure, high-quality software in an environment where precision, accountability, and technical rigour are essential.
You will work across the full stack, contributing to both front-end and back-end development, while playing an active role in shaping technical decisions and maintaining engineering standards.


Key Responsibilities

*Design, build, and maintain scalable applications using modern full-stack technologies, with a strong focus on C# / .NET
*Develop and test distributed systems within a microservices architecture
*Work with cloud-based infrastructure, ensuring reliability, performance, and security
*Apply Test-Driven Development (TDD) as a core part of the development lifecycle
*Collaborate with cross-functional teams to deliver high-quality, customer-facing features
*Contribute to front-end development, ensuring strong user experience and usability
*Leverage AI-assisted development tools (e.g., Claude Code, Cursor) to enhance productivity
*Review technical specifications and challenge assumptions where necessary
*Ensure code quality and robustness, particularly in a security-critical environment


Required Skills & Experience

*Strong commercial experience with C# and .NET in a full-stack or backend-heavy role
*Proven experience developing within microservices architectures and cloud environments (beyond theoretical knowledge)
*Solid front-end capability using frameworks such as Vue, React, or similar
*Demonstrated commitment to Test-Driven Development (TDD) as a daily practice
*Experience building and maintaining customer-facing applications, with a focus on user experience
*Practical use of AI-assisted development tools in real-world projects
*Ability to perform under pressure and maintain accuracy in technical problem-solving
*Strong understanding of secure coding practices


Key Attributes

*Confident communicator who can clearly articulate ideas and technical decisions
*Willingness to challenge requirements and push back when something is not right
*Proactive mindset with strong ownership of work
*Attention to detail, particularly in high-stakes or security-sensitive environments
*Collaborative, but not afraid to question and improve processes


Desirable

*Experience working in security-critical or highly regulated environments
*Exposure to modern DevOps practices and CI/CD pipelines
This role is suited to a developer who combines strong technical depth with independent thinking. We are looking for someone who not only delivers high-quality code but also contributes to better outcomes by questioning, improving, and taking ownership.


C# Software Engineer (TDD Focus)