We're looking for a mid-level .NET Developer to join a growing team building a greenfield application within a tech-for-good organisation. This is an exciting opportunity to shape a product from the ground up while contributing to meaningful, purpose-driven work that has a positive societal impact. Working as part of a collaborative, forward-thinking engineering team, you'll help design and deliver scalable, modern solutions using .NET and microservices architecture. Key Responsibilities Design, develop, and maintain high-quality applications using C# and .NET Contribute to the architecture and development of a microservices-based system Apply strong object-oriented programming principles, including polymorphism and clean code practices Help build and optimise infrastructure-as-code (IaC) environments Work closely with DevOps practices, including CI/CD pipelines Collaborate with cross-functional teams to define and deliver features Contribute to technical decisions in a greenfield environment Ensure code quality through testing, reviews, and best practicesRequired Skills & Experience Solid experience developing with C# and modern .NET (Core / .NET 6+) Strong understanding of microservices architecture Good knowledge of object-oriented programming principles, particularly polymorphism Experience with databases (SQL and/or NoSQL) Exposure to infrastructure as code (e.g., Terraform, ARM, Bicep, or similar) Experience with CI/CD pipelines (e.g., Azure DevOps, GitHub Actions, Jenkins) Comfortable working in agile development environmentsDesirable Skills Experience working on greenfield projects Cloud platform experience (e.g., Azure, AWS) Knowledge of containerisation (Docker / Kubernetes) Passion or interest in tech-for-good initiativesBenefits Hybrid working: 3 days in office North of Newcastle (free parking) , 2 days from home Flexible working hours and strong work-life balance 28 days holiday + bank holidays 12% employer pension contribution Opportunity to work on a purpose-driven product with real-world impact Collaborative, inclusive, and modern working environmentWhy Join? This role offers the chance to work on a meaningful greenfield project, influence technical direction, and be part of a team that genuinely cares about both technology and impact. If you're looking for flexibility, autonomy, and purpose in your next role, this could be the perfect fit