• 20/03/26
• Yorkshire, Leeds
• £425 - 430 per day
• Contract
• Software Engineering
• Full time

Senior .NET Developer – Contract (Inside IR35)
Location: West Yorkshire (flexible)
Rate: Up to £425 per day
Duration: 6 months+
Start: ASAP

We are seeking a Senior .NET Developer to join a high-profile public sector digital programme. You’ll be working on a mature, live platform undergoing significant expansion, focused on improving and digitising end-to-end user journeys at scale.

The Role:

You’ll join a collaborative product team responsible for enhancing and maintaining a live application. This is a hands-on role covering full lifecycle development – from building new features to supporting production systems.

Key Responsibilities:

• Develop and maintain modern .NET applications

• Build new features and enhance existing functionality

• Support live services, including troubleshooting and bug fixing

• Collaborate with cross-functional teams in an Agile environment

• Contribute to system design and continuous improvement

Tech Stack:

• C#, ASP.NET Core

• Azure Cloud

• SQL Server

• Docker

• Terraform (desirable)

Requirements:

• Strong experience with .NET and modern web application development

• Experience working in cloud environments (ideally Azure)

• Familiar with CI/CD, version control and automated testing

• Experience working in Agile teams

• Exposure to APIs, integrations, and live system support

• Experience in public sector or regulated environments

Additional Info:

• Must be eligible for SC Clearance (5 years UK residency required)