Senior Dotnet Developer

Senior .NET Developer

C#, Azure

£75,000, 1 day a week, Runcorn

Join an established software business investing heavily in its platform and engineering team.

You will work as part of a collaborative backend team building and improving scalable services, APIs, and integrations used across a live production platform. The role combines greenfield development with modernisation work across existing systems.

You will contribute to technical decisions, support engineering best practice, and work closely with product and leadership teams on future platform improvements.

What you will do

• Build and improve backend services running in Azure
• Develop APIs, integrations, and data pipelines
• Work across 60 percent greenfield development and 40 percent core system improvement
• Contribute to architecture and technical discussions
• Support code reviews, testing, and engineering standards
• Collaborate with developers, product teams, and senior stakeholders

Tech stack

• C# and .NET
• SQL Server
• Azure App Services, Functions, Storage, and CI pipelines
• Unit testing

Why this role stands out

• Established product with a long-term roadmap
• Mix of greenfield engineering and platform improvement work
• Collaborative engineering environment with strong technical input
• Time allocated for refactoring and technical debt reduction
• Stable business with ongoing investment in technology

Interview process; Two-stage interview process with fast feedback and quick decision-making

This role suits senior backend developers who enjoy building reliable backend systems, working closely with a team, and contributing to the future direction of a growing platform.