IR35.org

Inside IR35 Test-driven development contracts in London

5 open inside IR35 Test-driven development contracts in London, typically £600–£800 a day.

Open contracts
5
Typical day rate
£600–£800Median £725, from 5 contracts stating a rate
Remote
0% of these contracts

At the median £725 a day over 220 working days, you'd take home about £88,025 a year outside IR35, or £85,390 inside IR35. Work out your own take-home pay

Skip to results

5 contracts found

  1. Senior Full Stack EngineerOn site

    Established product with AI capabilities

    £550–£600/dayInside IR35

    London · 6 months · Posted 6 days ago

    • Test-driven development
    • TypeScript
    • React
    • Node.js
    • REST APIs
    • +5 more
  2. Head of Technical Architecture - AI

    Major, high-profile UK public sector organisation

    £750–£850/dayInside IR35

    London · 6 months · BPSS clearance · Posted 14 days ago

    • Test-driven development
    • Technical architecture
    • Agile
    • Stakeholder management
    • Cloud native
    • +6 more
  3. Senior Machine Learning EngineerHybrid

    Guidant Global

    £700–£900/dayInside IR35

    London · SC clearance · Posted 18 days ago

    • Test-driven development
    • Machine learning
    • MLOps
    • Python
    • Deep learning
    • +3 more

    2 adverts

  4. Senior Full Stack DeveloperHybrid

    Banking

    £500–£700/dayInside IR35

    London · 9 months · Posted 27 days ago

    • Test-driven development
    • Kotlin
    • React
    • TypeScript
    • Java
    • +4 more
  5. Senior .NET DeveloperHybrid

    Global Markets collateral business

    £700–£750/dayInside IR35 (implied)

    Bromley · 12 months · Posted 29 days ago

    • Test-driven development
    • C#
    • .NET
    • REST APIs
    • Angular
    • +3 more

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.

Disclaimer: calculations are estimates only and not financial or tax advice. See the terms.

Copyright © 2026 IR35.org. All rights reserved.