.NET Developer - Remote (Northern Ireland) Location: Fully Remote (NI-Based) Salary: £40,000 - £55,000 (depending on experience) My client is seeking an experienced .NET Developer to join their growing distributed engineering team. This is an exciting opportunity to work on high-impact projects across modern .NET, cloud, and DevOps technologies in a collaborative, delivery-focused environment. What You'll Do Design, develop and maintain high-quality software solutions using .NET Core, C#, and SQL Server. Build and enhance services using Entity Framework Core, including code-first design, migrations, query optimisation, and efficient database interactions. Contribute to microservices architecture, focusing on scalability, resilience, and performance. Develop, maintain, and consume RESTful APIs, ensuring security, reliability, and adherence to architectural standards. Work with Azure cloud resources, including Azure Service Bus (queues, topics, message brokers) to build distributed, event-driven systems. Implement secure coding practices following OWASP guidelines. Participate in systems design and architecture, including repository patterns, concurrency handling, and domain modelling. Collaborate closely with cross-functional teams in an agile environment. Support production systems, troubleshoot issues, and contribute to continuous improvement. What You Bring Core Technical Requirements 4 years' hands-on experience with C# / .NET Core. Strong experience with Entity Framework Core, including: Code-first development Migrations Querying and LINQ Transactions and unit-of-work patterns Performance optimisation of EF-based services Strong experience designing and building REST APIs. Solid understanding of concurrency, multi-threading, and repository architecture. Experience utilising Azure DevOps for CI/CD, pipelines, and workflow automation. Hands-on experience with Azure Service Bus or similar message brokers (RabbitMQ, Kafka, MSMQ). Understanding of cloud-first architecture and building scalable .NET applications using cloud resources. Testing & Quality Strong focus on unit testing (NUnit, xUnit, MSTest). Experience with integration testing and/or end-to-end testing is highly desirable - especially candidates who have had full autonomy on projects. Familiarity with TDD or a test-first mindset. What My Client Can Offer A Connected, Supportive Culture A dedicated focus on helping every employee feel connected and valued. Access to in-house, hands-on training via a structured L&D team. Monthly virtual or in-person events to bring people together. Career Growth & Development Every engineer has a People Lead and HR Partner for tailored support. Regular quarterly and annual reviews with transparent progression paths. Access to Engineering Success and Centre of Excellence units for mentorship, knowledge sharing, and technical development. Remote-First Flexibility A remote-first working model with genuine flexibility. Optional access to a modern office in Belfast featuring: On-site coffee shop High-spec gym Spacious collaboration areas Games area, drinks fridge, pool table, and breakout space Office attendance is never required - but team lunches and social days are regularly organised and encouraged.