Company: Computappoint

Location: London

Job Description:

£325/day Outside IR35
Hybrid | Central London (2 days per week onsite)
Initial 6-Month Contract

.NET Developer (Contract)

We re looking for a hands-on .NET Developer to join a growing technology team working on a mix of established business applications and modern cloud-based solutions.

This is an excellent opportunity for a developer who enjoys solving real business problems, enhancing existing systems, and contributing to ongoing modernisation projects.

you’ll be working across the full development life cycle, collaborating with business stakeholders and technical colleagues to deliver reliable, scalable applications that support key business operations.

Responsibilities

Develop, maintain and enhance applications built with C# and .NET
Work across both Legacy and modern web applications
Build and optimise SQL Server databases, queries and stored procedures
Support application upgrades and modernisation initiatives
Develop and consume REST APIs
Troubleshoot defects and resolve production issues
Collaborate with business analysts, QA teams and stakeholders
Participate in code reviews and Agile ceremonies

Essential Skills

Strong commercial experience with C#
.NET Framework and/or .NET Core
ASP.NET MVC or ASP.NET Core
SQL Server and T-SQL
JavaScript and web application development
Git version control
Experience supporting and enhancing business-critical applications

Nice to Have

Azure
Vue.js
REST API development
Azure DevOps
CI/CD pipelines
Entity Framework

Whats on Offer?

£325 per day
Outside IR35
Hybrid working with 2 days per week in Central London
Initial 6-month contract with potential for extension
Opportunity to work across both modern and Legacy technology stacks
Collaborative and supportive team environment

If you re an experienced .NET Developer looking for a contract role where you can make an immediate impact while working across a broad range of technologies, we’d love to hear from you.

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Posted: October 19th, 2026