Inside IR35 C# contracts

13 open inside IR35 C# contracts, typically £460–£630 a day.

Open contracts: 13
Typical day rate: £460–£630Median £495, from 12 contracts stating a rate
Remote: 23% of these contracts

At the median £495 a day over 220 working days, you'd take home about £69,413 a year outside IR35, or £65,555 inside IR35. Work out your own take-home pay

See new contracts 24 hours earlier

Members get immediate access to the client, location and original job advert. Full details become available to everyone after 24 hours.

Get early access

13 contracts found

Agentic AI Engineer, .NET, C#Hybrid
Global technology leader, NASDAQ listed
£450–£525/dayInside IR35
Bristol · 6 months · Posted 40 days ago
- C#
- Agentic AI
- .NET
- ASP.NET
- LLMs / generative AI
- +2 more
2 adverts
C# Software Engineer
Market-leading Defence and Aerospace company
£488/day£65/hrInside IR35
Stevenage · 12 months · SC clearance · Posted 39 days ago
- C#
- C++
- Agile
- CI/CD
- Test-driven development
- +4 more
3 adverts
C# Software EngineerHybrid
Leading organisation within the defence and security sector
£585/day£78/hrInside IR35
Luton · 12 months · SC clearance · Posted 35 days ago
- C#
- .NET
- Object-oriented programming
- Test automation
- CI/CD
- +2 more
Automation Application DeveloperHybrid
Banking sector
£400–£440/dayInside IR35
London · 7 months · Posted 35 days ago
- C#
- UiPath / RPA
- Agile
- .NET
- SQL
- +7 more
Senior .NET DeveloperHybrid
Global Markets collateral business
£700–£750/dayInside IR35 (implied)
Bromley · 12 months · Posted 29 days ago
- C#
- .NET
- REST APIs
- Angular
- JavaScript
- +3 more
Front Office .Net Developer
High-performing Commodities Trading team
£600–£700/dayInside IR35
London · 6 months · Posted 22 days ago
- C#
- .NET
- Agile
- Azure
- Angular
- +7 more
Azure Engineer - Cloud Native ApplicationsRemote
Major client
£620/dayInside IR35
London · 6 months · BPSS clearance · Posted 18 days ago
- C#
- Azure
- Cloud native
- DevOps
- Azure DevOps
- +3 more
Senior Software EngineerOn site
Naval Combat Systems programme
£375–£503/day£50–£67/hrInside IR35
New Malden · 12 months · SC clearance · Posted 15 days ago
- C#
- C++
AI Platform EngineerRemote
Local client
£450–£480/dayInside IR35
London · 3 months · Posted 8 days ago
- C#
- Python
- Azure
- SharePoint
- OpenAI / ChatGPT
- +7 more
Microsoft Office Add-In Developer (.NET/C#)
Prestigious London-based law firm
Rate not statedInside IR35
Farringdon · Posted 7 days ago
- C#
- .NET
- Azure
- Azure DevOps
- DevOps
2 adverts
C# .NET DeveloperHybrid
Investment banking client
£400–£416/dayInside IR35 (implied)
London · 24 months · Posted 5 days ago
- C#
- .NET
- Object-oriented programming
- SQL Server
- REST APIs
- +1 more
SmartCOMM DeveloperRemote
£500/dayInside IR35
6 months · Posted 4 days ago
- C#
FX Options Pricing Developer - C++ - Front Office - Contract Inside IR35 - Investigo
Members only for 1 hour
£775–£850/dayInside IR35
London · Posted today
- C#
- C++

Contracts, sorted by Posted, oldest first. Page 1 of 1.
Role: sort by Role, A to Z	IR35: sort by IR35, outside IR35 first	Rate: sort by Rate, highest first	Location: sort by Location, A to Z	Contract length: sort by Contract length, longest first	Posted: sort by Posted, newest first
Agentic AI Engineer, .NET, C# Global technology leader, NASDAQ listed C# Agentic AI .NET ASP.NET LLMs / generative AI +2 more 2 adverts	Inside IR35	£450–£525/day	Bristol · Hybrid	6 months	40 days ago
C# Software Engineer Market-leading Defence and Aerospace company C# C++ Agile CI/CD Test-driven development +4 more 3 adverts	Inside IR35	£488/day £65/hr	Stevenage	12 months SC clearance	39 days ago
C# Software Engineer Leading organisation within the defence and security sector C# .NET Object-oriented programming Test automation CI/CD +2 more	Inside IR35	£585/day £78/hr	Luton · Hybrid	12 months SC clearance	35 days ago
Automation Application Developer Banking sector C# UiPath / RPA Agile .NET SQL +7 more	Inside IR35	£400–£440/day	London · Hybrid	7 months	35 days ago
Senior .NET Developer Global Markets collateral business C# .NET REST APIs Angular JavaScript +3 more	Inside IR35 (implied)	£700–£750/day	Bromley · Hybrid	12 months	29 days ago
Front Office .Net Developer High-performing Commodities Trading team C# .NET Agile Azure Angular +7 more	Inside IR35	£600–£700/day	London	6 months	22 days ago
Azure Engineer - Cloud Native Applications Major client C# Azure Cloud native DevOps Azure DevOps +3 more	Inside IR35	£620/day	London · Remote	6 months BPSS clearance	18 days ago
Senior Software Engineer Naval Combat Systems programme C# C++	Inside IR35	£375–£503/day £50–£67/hr	New Malden · On site	12 months SC clearance	15 days ago
AI Platform Engineer Local client C# Python Azure SharePoint OpenAI / ChatGPT +7 more	Inside IR35	£450–£480/day	London · Remote	3 months	8 days ago
Microsoft Office Add-In Developer (.NET/C#) Prestigious London-based law firm C# .NET Azure Azure DevOps DevOps 2 adverts	Inside IR35	Not stated	Farringdon	Not stated	7 days ago
C# .NET Developer Investment banking client C# .NET Object-oriented programming SQL Server REST APIs +1 more	Inside IR35 (implied)	£400–£416/day	London · Hybrid	24 months	5 days ago
SmartCOMM Developer C#	Inside IR35	£500/day	Remote	6 months	4 days ago
FX Options Pricing Developer - C++ - Front Office - Contract Inside IR35 - Investigo Members only for 1 hour C# C++	Inside IR35	£775–£850/day	London	Not stated	Today

Contracts come from job boards and employers' own careers sites, updated hourly. IR35 status is as stated in each advert: always confirm it with the hirer.

Inside IR35 C# contracts

Selected filters

13 contracts found

Agentic AI Engineer, .NET, C#Hybrid

C# Software Engineer

C# Software EngineerHybrid

Automation Application DeveloperHybrid

Senior .NET DeveloperHybrid

Front Office .Net Developer

Azure Engineer - Cloud Native ApplicationsRemote

Senior Software EngineerOn site

AI Platform EngineerRemote

Microsoft Office Add-In Developer (.NET/C#)

C# .NET DeveloperHybrid

SmartCOMM DeveloperRemote

FX Options Pricing Developer - C++ - Front Office - Contract Inside IR35 - Investigo