IR35.org

Distributed systems contracts in London

8 open Distributed systems contracts in London, typically £480–£625 a day.

Open contracts
8
Typical day rate
£480–£625Median £575, from 8 contracts stating a rate
Outside IR35
20%of the 5 that state a status

At the median £575 a day over 220 working days, you'd take home about £77,724 a year outside IR35, or £72,513 inside IR35. Work out your own take-home pay

Skip to results

8 contracts found

  1. MLOps Engineer (Recommendation Systems)Hybrid

    Well-established online business investing in machine learning and AI

    £500–£650/dayInside IR35

    London · 6 months · Posted 5 days ago

    • Distributed systems
    • MLOps
    • Machine learning
    • Python
    • Deep learning
    • +6 more

    2 adverts

  2. Google Cloud Platform (GCP) ArchitectOn site

    Big Four consulting firm for a Tier 1 bank

    £400–£450/dayInside IR35

    London · 6 months · Posted 7 days ago

    • Distributed systems
    • Cloud architecture
    • Google Cloud (GCP)
    • Kubernetes
    • Python
    • +3 more
  3. Database EngineerHybrid

    Enterprise using traditional relational and NoSQL databases

    Up to £300/dayUp to £40/hrInside IR35

    London · 24 months · Posted 12 days ago

    • Distributed systems
    • SQL Server
    • PostgreSQL
    • MongoDB
    • NoSQL
    • +1 more
  4. Solution Architect - Platform, Event, Domain Driven

    Major technology modernisation programme

    £650–£750/dayIR35 not stated

    London · 6 months · Posted 12 days ago

    • Distributed systems
    • Solution architecture
    • Cloud architecture
    • AWS
    • Microservices
    • +4 more
  5. Senior Developer Consultant (iPaaS & Automation)Hybrid

    Fast-paced transformation programme in secure enterprise environment

    £495/dayIR35 not stated

    London · 3 months · SC clearance · Posted 13 days ago

    • Distributed systems
    • Azure
    • Agile
    • PowerShell
    • Infrastructure
    • +7 more
  6. Senior C# Backend EngineerHybrid

    Technology-led organisation investing in next-generation platform

    £550–£650/dayIR35 not stated

    London · Posted 18 days ago

    • Distributed systems
    • C#
    • OAuth 2.0 / OIDC
    • Identity and access management (IAM)
    • Microservices
    • +5 more
  7. Enterprise ArchitectHybrid

    UK regulated bank specialising in cross-border payments and FX into emerging and frontier markets

    Up to £700/dayOutside IR35

    London · Posted 42 days ago

    • Distributed systems
    • Enterprise architecture
    • AWS
    • Cloud architecture
    • Event-driven architecture
    • +6 more
  8. Integration Architect - KafkaHybrid

    Major organisation undergoing transformation programme

    £550–£600/dayInside IR35

    London · 6 months · Posted 42 days ago

    • Distributed systems
    • Integration architecture
    • Kafka
    • Stakeholder management
    • AWS
    • +1 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.