C# jobs in London

46 open roles in London asking for C#, at 18 companies, from company job boards. Newest first; open a listing to apply on the employer's own site.

This market right now

Who is hiring: Qube Research & Technologies (8), AWS EMEA SARL (UK Branch) (6), Amazon Development Centre (London) Limited (6), Amazon UK Services Ltd. (5), Hitachi Solutions (3), Amazon Data Services UK Limited (2), Hudl (2), MongoDB (2) and others.

What C# roles in London keep asking for: Java (63%), C++ (59%), Python (57%), AWS (46%), SQL (30%), Agile (20%), Linux (20%) — counted across the newest postings here.

C# jobs elsewhere

Software Development Engineer, AWS SecurityAmazon Development Centre (London) Limited · GB, London · 2026-09-27
Platform Engineer (10x Openings)Volta · London, UK · 2026-09-26
Senior Software Engineer (C# .NET) | LondonTransPerfect · London, Greater London, United Kingdom · 2026-09-26
Senior Software EngineerGeniussports · London · 2026-09-26
Software Engineer (.NET C#)TransPerfect · London, Greater London, United Kingdom · 2026-09-26
Team Lead, Platform EngineeringVolta · London, UK · 2026-09-26
Azure Full Stack Developer (Senior Consultant)Hitachi Solutions · London, England, United Kingdom · 2026-09-22
Technical Support EngineerAirwallex · UK - London · 2026-09-22
2027 Software Dev Engineer Intern - United KingdomAmazon UK Services Ltd. · GB, London · 2026-09-21
Senior ProServe Cloud Architect, FSI-UKI-ProServeAWS EMEA SARL (UK Branch) · GB, London · 2026-09-10
Senior Solutions Engineer,Auth0Okta · London, United Kingdom · 2026-09-10
Solutions ArchitectMongoDB · London · 2026-09-04
Software Development Engineer, IAM Stores SecurityAmazon Development Centre (London) Limited · GB, London · 2026-08-26
Software Dev Engineer, Amazon Security AutomationAmazon UK Services Ltd. · GB, London · 2026-08-25
Engineering Manager - Gaming Developer and Future TechnologyPlayStation Global · United Kingdom, London · 2026-08-19
Software Development Engineer - Security Automation, AWS Security EpoxyAmazon Development Centre (London) Limited · GB, London · 2026-08-17
Senior Consulting EngineerMongoDB · Great Britain; London · 2026-08-17
Quantitative Developer - Trading Systems, C#Qube Research & Technologies · London · 2026-08-14
System Development Engineer, AWS NetworkingAWS EMEA SARL (UK Branch) · GB, London · 2026-08-12
Software Dev Engineer, Amazon Security AutomationAmazon UK Services Ltd. · GB, London · 2026-08-11
Principal Fullstack Engineer (Angular/Swift or similar)fa-ewmy-saasfaprod1 · London, United Kingdom · 2026-08-05
Senior Software Development Engineer,NextGen Security, ZeroFrictionAmazon UK Services Ltd. · GB, London · 2026-08-04
Senior Software Development Engineer, Data Center Builder ToolsAmazon Data Services UK Limited · GB, London · 2026-07-29
Professional Services Graduate, Associate to Consultant (A2C)AWS EMEA SARL (UK Branch) · GB, London · 2026-07-21
Software Development Engineer, Data Center Builder ToolsAmazon Data Services UK Limited · GB, London · 2026-07-21
Senior Solutions EngineerOneTrust · London, United Kingdom · 2026-07-16
Software Dev. Engineer in Test, Conversational shopping Amazon Development Centre (London) Limited · GB, London · 2026-07-01
System Development Engineer, AWS NetworkingAWS EMEA SARL (UK Branch) · GB, London · 2026-06-18
System Development Engineer, AWS NetworkingAWS EMEA SARL (UK Branch) · GB, London · 2026-06-18
Software Development Engineer, Alexa for ShoppingAmazon Development Centre (London) Limited · GB, London · 2026-05-25
Senior Software Engineer - Core Video & DataHudl · London, United Kingdom · 2026-05-18
Playback Ops Sys Dev Engineer, Playback Operations Systems GroupAmazon UK Services Ltd. · GB, London · 2026-05-12
Microsoft Biz Apps Technical Senior (Power Platform and Dynamics CE)Hitachi Solutions · London, England, United Kingdom · 2026-05-11
Software Development Engineer – 2026Amazon UK Services Ltd. - A10 · GB, London · 2026-05-01
Senior Software Development Engineer, AWS CloudFrontAmazon Development Centre (London) Limited · GB, London · 2026-04-29
Engineering Manager - Global Football & RugbyHudl · London, United Kingdom · 2026-04-24
AI Strategist, Generative AI Innovation CenterAWS EMEA SARL (UK Branch) · GB, London · 2026-04-17
Microsoft Biz Apps Technical Lead (Power Platform and Dynamics CE)Hitachi Solutions · London, England, United Kingdom · 2026-02-19
Senior Site Reliability EngineerNICE · United Kingdom - London; United Kingdom - Southampton · 2025-12-15
Software Engineer - Data & Lifecycle (Equities/CA)Qube Research & Technologies · London · 2025-11-20
Software Engineer - Data & Lifecycle (Derivatives)Qube Research & Technologies · London · 2025-11-20
Trading Systems Reliability EngineerQube Research & Technologies · London · 2025-09-09
Quantitative Researcher – PhD & Postdoc OpportunitiesQube Research & Technologies · London, Paris, Zurich · 2025-09-05
Software Engineer - Data LifecycleQube Research & Technologies · London · 2025-07-16
Quantitative ResearcherQube Research & Technologies · London · 2023-08-14
VIE in ResearchQube Research & Technologies · London · 2020-08-03

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