C# contracts
31 open C# contracts, typically £485–£605 a day.
- Open contracts
- 31
- Typical day rate
- £485–£605Median £550, from 24 contracts stating a rate
- Outside IR35
- 43%of the 23 that state a status
At the median £550 a day over 220 working days, you'd take home about £75,127 a year outside IR35, or £70,696 inside IR35. Work out your own take-home pay
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31 contracts found
.NET and C# DeveloperHybrid
Specialist company in Nottingham
£500–£600/dayIR35 not statedNottingham · 6 months · Posted 54 days ago
- C#
- .NET
- ASP.NET
- AWS
- NoSQL
- +9 more
2 adverts
Software Test Engineer / Lead
Fastest growing technology company
Rate not statedOutside IR35East of England · 12 months · Posted 49 days ago
- C#
- Manual testing
- Performance testing
- Test management
- .NET
- +1 more
Full Stack Developer (React / C# .NET)Hybrid
Major business transformation programme
£450–£500/dayOutside IR35Birmingham · 3 months · Posted 42 days ago
- C#
- React
- .NET
- ETL
- REST APIs
- +3 more
3 adverts
Agentic AI Engineer, .NET, C#Hybrid
Global technology leader, NASDAQ listed
£450–£525/dayInside IR35Bristol · 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 IR35Stevenage · 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 IR35Luton · 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 IR35London · 7 months · Posted 35 days ago
- C#
- UiPath / RPA
- Agile
- .NET
- SQL
- +7 more
C#, WPF, .NET DeveloperHybrid
Global company
Rate not statedOutside IR3512 months · Posted 30 days ago
- C#
- .NET
- Design patterns
- Git / GitHub
- Scrum
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
Technical AI ConsultantHybrid
Software engineering team
£550–£600/dayOutside IR35Reading · 3 months · Posted 27 days ago
- C#
- .NET
- Agentic AI
- LLMs / generative AI
- Claude (Anthropic)
Front Office .Net Developer
High-performing Commodities Trading team
£600–£700/dayInside IR35London · 6 months · Posted 22 days ago
- C#
- .NET
- Agile
- Azure
- Angular
- +7 more
Senior DevSecOps EngineerHybrid
Global technology organisation
£550–£700/dayOutside IR35London · 6 months · Posted 18 days ago
- C#
- DevSecOps
- DevOps
- Terraform
- CI/CD
- +11 more
2 adverts
Senior C# Backend EngineerHybrid
Technology-led organisation investing in next-generation platform
£550–£650/dayIR35 not statedLondon · Posted 18 days ago
- C#
- OAuth 2.0 / OIDC
- Identity and access management (IAM)
- Microservices
- Distributed systems
- +5 more
Azure Engineer - Cloud Native ApplicationsRemote
Major client
£620/dayInside IR35London · 6 months · BPSS clearance · Posted 18 days ago
- C#
- Azure
- Cloud native
- DevOps
- Azure DevOps
- +3 more
Senior Full Stack .NET DeveloperRemote
Global SaaS platform
£400–£450/dayOutside IR35Posted 17 days ago
- C#
- .NET
- ASP.NET
- Vue.js
- TypeScript
- +3 more
Senior Software EngineerOn site
Naval Combat Systems programme
£375–£503/day£50–£67/hrInside IR35New Malden · 12 months · SC clearance · Posted 15 days ago
- C#
- C++
Senior C# / Azure Engineer
Data & AI consultancy in Wealth Management
£650–£700/dayOutside IR35London · 3 months · Posted 15 days ago
- C#
- .NET
- Azure
- Event-driven architecture
- REST APIs
- +2 more
Senior System ArchitectHybrid
Technology Solutions division developing connected IoT devices and products
Rate not statedIR35 not statedCambridge · 24 months · Posted 13 days ago
- C#
- Systems engineering
- Embedded systems
- IoT
- Linux
- +5 more
Senior Developer Consultant (iPaaS & Automation)Hybrid
Fast-paced transformation programme in secure enterprise environment
£495/dayIR35 not statedLondon · 3 months · SC clearance · Posted 13 days ago
- C#
- Azure
- Distributed systems
- Agile
- PowerShell
- +7 more
Senior Dynamics 365 DeveloperHybrid
Established UK energy supplier
Rate not statedIR35 not statedManchester · Posted 12 days ago
- C#
- Dynamics 365
- Power Platform
- .NET
- JavaScript
- +3 more
Design Developer
Household-name global leader in architecture and interior design software
Rate not statedIR35 not statedLondon · Posted 11 days ago
- C#
- Python
- JavaScript
- Revit
Software Developer
Organisation supporting essential services
Rate not statedIR35 not statedNewcastle Upon Tyne · Posted 10 days ago
- C#
- .NET
- Azure
AI Platform EngineerRemote
Local client
£450–£480/dayInside IR35London · 3 months · Posted 8 days ago
- C#
- Python
- Azure
- SharePoint
- OpenAI / ChatGPT
- +7 more
Staff EngineerHybrid
Well-established organisation operating within a highly regulated financial services sector
£550/dayOutside IR35London · Posted 8 days ago
- C#
- Migration
- .NET
- SQL
- Financial reporting
- +7 more
Teamcenter PLM Technical Consultant
Complex engineering environment
£488–£525/day£65–£70/hrIR35 not statedReading · 3 months · Posted 7 days ago
- C#
- .NET
- C++
- SQL
- Data migration
- +4 more
Microsoft Office Add-In Developer (.NET/C#)
Prestigious London-based law firm
Rate not statedInside IR35Farringdon · Posted 7 days ago
- C#
- .NET
- Azure
- Azure DevOps
- DevOps
2 adverts
Staff Engineer, Premium Finance IntegrationHybrid
Well-established organisation in a highly regulated sector delivering services across the UK
£550/dayOutside IR35London · Posted 6 days ago
- C#
- .NET
- SQL
- CI/CD
- DevOps
- +9 more
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 IR356 months · Posted 4 days ago
- C#
NET Solutions ArchitectHybrid
Members only for 2 hours
£500–£600/dayOutside IR35East Midlands · 6 months · Posted today
- C#
- Solution architecture
- .NET
- Microservices
- Azure
- +1 more
FX Options Pricing Developer - C++ - Front Office - Contract Inside IR35 - Investigo
Members only for 2 hours
£775–£850/dayInside IR35London · Posted today
- C#
- C++
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.