Principal Software Engineer / Senior Software Engineer / Backend / Developer / Development / C# / C#.NET / .NET Core / Azure / Cloud / CI/CD pipelines / Terraform / GitHub / Hybrid Warwickshire / Remote / £550 650 per day Inside IR35. One of our leading clients is looking to recruit a Principal Software Engineer. Location Hybrid Warwickshire/Remote (couple of days per month in the office) Duration 6 months Day Rate £550 650 per day Inside IR35 You will be designing, building, and managing cutting-edge cloud based software platforms. Experience: C# and .NET Core, with a solid understanding of backend development principles. Microservices and event-driven architectures alongside RESTful APIs. Azure cloud services including Azure Entra & AppInsights and general authentication/authorisation practices. Containerisation, automation, and orchestration tools (e.g., Docker). CI/CD pipelines and modern DevOps practices including Infrastructure As Code (IaC) and observability such as metrics, monitoring, traces and alerting. Test-first mindset and able to lead other engineers on what good looks like regarding unit/integration testing, end-to-end (E2E) testing and contract testing with libraries and frameworks such as XUnit, Playwright and PACT. Lean software development methodologies (e.g., Agile, SAFe).