Senior .NET Developer - £650-£700 per day (Inside IR35)

Hybrid, Manchester (2-3 days/week)
Start: ASAP | Energy Sector

My client is looking for an experienced Senior .NET Developer to support and enhance a complex application estate. This is a backend‑heavy role working across data models, systems integration, APIs, and migrations. You'll take ownership of business‑critical systems and must be able to hit the ground running from day one.

Key Skills

• C# / .NET Core (10+ years)
• Azure (Functions, Web Apps, DevOps, CI/CD)
• SQL Server, data modelling, schema migrations
• EF Core (code‑first, migrations)
• REST APIs, microservices, resilience patterns
• CI/CD: YAML pipelines, Terraform, Git

Nice to Have

• RabbitMQ / Azure Service Bus
• React or Angular
• ETL / data integration
• TDD / automation

What We're Looking For

• Strong self‑starter, able to deliver quickly
• Experience with complex data systems
• Energy/utilities background (highly desirable)
• Strong communicator & technical leader

Working Model

• Hybrid: Manchester HQ, 2-3 days/week
• Agile/Scrum, modern Azure-native tooling