.NET Developer - Remote; Northern Ireland

.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 Dev Ops technologies in a collaborative, delivery-focused environment.

• 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.

• 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 Dev Ops for CI/CD, pipelines, and workflow automation.
• Hands-on experience with Azure Service Bus or similar message brokers (Rabbit
  
  MQ, Kafka, MSMQ).
• Understanding of cloud-first architecture and building scalable .NET applications using cloud resources.

• 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.

• 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.

• 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.

• 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.