Senior Full Stack .NET Developer - Contract
C# .NET ASP.NET Core Vue 3 TypeScript REST APIs
£400-£450 per day Outside IR35 Remote UK Contract
We're looking for an experienced Senior Full Stack .NET Developer / .NET Contractor to join a global SaaS engineering environment, working across backend services and a modern web application.
This is a UK-based remote contract working with an international engineering team across the UK, New Zealand, US and Canada.
You MUST be UK based to be considered.
The Role
You'll be hands-on across C#, .NET, ASP.NET Core Web APIs, Vue 3 and TypeScript, developing new functionality and enhancing an established SaaS platform.
You'll work across:
You'll be joining an established distributed engineering team, so strong remote working, written communication and asynchronous collaboration skills are important.
What We're Looking For
Strong commercial C# / .NET and ASP.NET Core development experience is essential, combined with genuine hands-on Vue 3 and TypeScript experience.
You'll need to be comfortable working across an existing codebase, writing automated tests alongside production code and using modern AI coding/development tools as part of your workflow.
Experience with PHP/Laravel, Microsoft Graph, Microsoft 365 integrations, Google Calendar APIs or Google Workspace would be a bonus.
Important - New Zealand Team Overlap
The role is flexible and remote, but you'll need some regular weekly overlap with the New Zealand engineering team, ideally during their 8:00-11:00am NZ working window. Exact days can be agreed.
£400-£450 per day Outside IR35 Remote UK
If you're a Senior .NET Developer, Full Stack .NET Developer, C# Developer, .NET Contractor or Senior Software Engineer with strong C#/.NET + Vue 3/TypeScript experience, apply today.
UK-based contractors only.
Key Skills: C#, .NET, ASP.NET Core, .NET 5+, Web API, REST API, Vue 3, Vue.js, TypeScript, Composition API, Full Stack Development, Automated Testing, GitHub, SaaS, AI Coding, Claude Code, PHP, Laravel, Microsoft Graph, Google APIs.