C# Developer Contract Jobs
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Senior C# Engineer – Typescript, Lambda, API Gateway, SQS, SNS
Posted 2 days ago by Smart Sourcer Limited
Role OverviewYou’ll act as the technical spearhead for a greenfield product build, reporting to the Director of Engineer...
- Rate £800 per day
- Category Outside
- Work type Remote
- Location City of London (EC1)
C# Developer
Posted 3 days ago by Computer Futures
An exciting opportunity is available for a skilled C# Developer to join a remote contract role, supporting a major Open...
- Rate £500 per day
- Category Not specified
- Work type Remote
- Location UK; London; Birmingham; Manchester; Glasgow; Liverpool; Leeds; Edinburgh; Bristol; Cardiff; Nottingham
Senior C# / Azure Engineer Contract Outside IR35
Posted 4 days ago by Method-Resourcing
The roleYou will work within an existing C# and Azure environment, helping the team understand and extend the client's c...
- Rate Not specified
- Category Outside
- Work type Not specified
- Location London; City of London; East London; Central London; South East London; West London; Canary Wharf; South West London; North London; Greenwich; Stratford
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Full-Stack Developer - .NET Core, C#, React & Python
Posted 1 week ago by Gazelle Global Consulting Ltd
The RoleWe're looking for a skilled Azure .NET and React developer with a focus on automation to join our rapidly growin...
- Rate Not specified
- Category Not specified
- Work type Not specified
- Location Wokingham (RG40), RG40
Full Stack Engineer (C# Backend / React .NET Front End)
Posted 1 week ago by Lorien Impellam
The RoleYou will play a critical role in designing, developing, and deploying a full-stack web application, taking it fr...
- Rate Not specified
- Category Not specified
- Work type Hybrid
- Location London, United Kingdom
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About Our C# Developer Contract Roles
What does a c# developer contractor do?
Organisations bring in C# Developer contractors to build, maintain, and extend applications using the C# programming language, primarily within the Microsoft .NET ecosystem. C# is one of the most widely used languages in UK enterprise software development, making C# Developer contracts among the most frequently available in the technology contracting market. Typical engagements involve developing new applications or features using ASP.NET Core, building and consuming REST APIs, maintaining or modernising existing .NET applications, and working within larger development teams on complex software programmes. C# contractors are particularly prevalent in financial services, insurance, healthcare, and the public sector, where Microsoft technology stacks have deep roots.
The technical profile expected of C# Developer contractors centres on strong language proficiency alongside practical framework experience. ASP.NET Core, Entity Framework Core, and Web API development are the most commonly required competencies. Familiarity with Azure cloud services is increasingly expected even for primarily back-end focused roles, reflecting the widespread migration of .NET applications to the Microsoft cloud. Experience with SQL Server, unit testing with NUnit or xUnit, and working within CI/CD pipelines using Azure DevOps or GitHub Actions is broadly assumed at mid to senior levels. Contractors who combine C# expertise with front-end skills, particularly React or Angular with TypeScript, find a considerably wider range of full-stack opportunities available.
What is the market like for c# developer contractors?
Contract C# Developer work sits within among the most mature and active and high-volume segments of the UK technology contracting market. The depth of the Microsoft .NET installed base across UK enterprise ensures a continuous pipeline of development, maintenance, and modernisation work. Demand has been further supported by the migration of legacy .NET Framework applications to modern .NET versions, which requires specialist knowledge that many permanent teams lack. Rates have remained solid, with senior C# developers who combine strong language skills with Azure platform experience and knowledge of modern .NET architecture patterns commanding rates at the upper end of the developer contracting market.
How much do c# developer contractors usually earn?
Contract rates for c# developer roles typically range from £500 to £850 per day, depending on the scope of the role, required expertise, and the delivery expectations of the engagement.
How many c# developer vacancies are there on Quality Contracts?
Over the past twelve months, we have tracked over 200 c# developer contract roles across the site. Data reviewed up to September 2026.