C# Microservices Software Engineer

These are not junior or intermediate roles. You will be working on advanced microservices using the latest Microsoft technologies, including .NET 9, Azure, Ai, and modern architectural patterns.

The Senior C# Backend Developer is a specialist role focused on designing and building microservices using the Microsoft technology stack. This role is responsible for developing high-performance, scalable, and maintainable backend systems that power our enterprise SaaS platform. The developer will work across service boundaries, integrating systems through APIs, queues, and events, and must be comfortable working in a modern DevOps environment.

You will be a key contributor in shaping and delivering backend services that support multi-tenant microservices, real-time integrations, and advanced business logic.

• Design and implement C# .NET backend services as part of a modern distributed microservices architecture
• Develop and maintain clean, well-tested code with a focus on performance, scalability, and reliability
• Build APIs (RESTful and event-driven) that integrate with both internal and external systems
• Use Azure services such as Azure Functions, Azure App Services, Azure Service Bus, and Azure SQL
• Work with modern patterns including CQRS, domain-driven design, and asynchronous messaging
• Participate in architecture discussions and make recommendations to improve systems
• Write and maintain unit, integration, and automated tests
• Debug, monitor, and troubleshoot distributed systems using tools like Application Insights and Serilog
• Collaborate with DevOps, frontend, and QA teams to ship high-quality software in sprint cycles
• Document key technical decisions, patterns, and system designs

• Represent Efficiency Leaders in a professional and ethical manner
• Promote our core values: value creation, sustainable outcomes, and ethical behaviour
• Contribute to a high-performance engineering culture focused on innovation and continuous improvement
• Uphold all responsibilities in the best interests of the company

• Timely delivery of production-ready, microservice-based features
• Code quality as measured by peer review, coverage, and automated analysis
• System reliability and performance (e.g. uptime, response time)
• Responsiveness to bugs and issues raised from testing or production
• Contribution to architectural improvements and team knowledge

• Bachelor’s degree in Computer Science, Software Engineering, or related field
• 5+ years of experience with .NET Core and C# in backend development
• Strong experience with microservices architecture and design patterns
• Deep knowledge of Azure cloud services (Service Bus, Functions, App Config, Key Vault, SQL)
• Proficiency in RESTful API development, asynchronous messaging, and event-driven systems
• Familiarity with DevOps practices, CI/CD pipelines, and infrastructure-as-code (e.g. Bicep)
• Strong problem-solving skills and ability to work independently on complex problems
• Experience working in agile development environments