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 Back End-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…