11 of 11 Contract C# Jobs in Central London

engineering experience, ideally within real-time or trading environments Experience with WebSockets or SignalR for real-time communication Backend development experience with .NET (C#) and/or Python Strong understanding of REST APIs and microservices architecture Experience with message brokers (e.g. RabbitMQ or Kafka) Knowledge of caching technologies (e.g. Redis ...

Qualifications Proven experience as a technical lead on a complex, multi-service platform, with direct responsibility for technical delivery quality and team output. Extensive C# and ASP.NET Core experience, including RESTful APIs, dependency injection, domain modelling, integration patterns, and performance considerations. Experience with Entity Framework Core code-first migrations ...

About the Role We are seeking a highly experienced Senior Full Stack Developer with deep expertise in React JS on the front-end and C# .NET Core on the backend. The ideal candidate will have substantial hands-on experience developing scalable applications, strong exposure to cloud-native architectures, with experience … delivered micro front-end architectures, and creating a reusable component library Experience with Telemetry and observability of front-end applications Back-end: Expertise in C# .NET Core , C#, REST APIs, Web APIs, and microservices-based development. Experience in transforming monolithic applications into composable microservices, or modular monoliths is a plus. ...

Github Actions, Terraform, and Azure within a Cloud Infrastructure Engineer capacity. • Good working knowledge and practical experience of Azure Monitoring. • Software development experience using C# and SQL Server. • Experience of Packer, Kubernetes, AKS, Flux or Helm The successful Cloud Infrastructure Engineer must be available to work 2 days a week ...

C# Developer Role - Hybrid/Liverpool street - 6 month Contract - Banking Role - C# Developer (T/SQL, PL/SQL) Duration - 6 months with very likely extension Location - Hybrid/Liverpool Street (London) - 3 days per week in a Liverpool Street office Rate - £690 per day (Inside IR35) Tech Stack … C# SQL Oracle Tasks Tasks include understanding business requirements, designing applications, business data analysis, programming in Visual C#.NET using both Oracle and SQL Server database, Unit testing, Quality Assurance (QA), Implementation, Production and Disaster Recovery environments supporting users and preparing documents. Along with the application development, this role will also ...

Lead C# Engineer - Agentic Workflows & Native AI Engineering, .Net 8/9, AWS (Lambda, SQS) OUTSIDE IR35 Reporting to the Director of Engineering, this is a genuinely outstanding contract opportunity for a rockstar Senior C# Engineer to lead the development of a greenfield SaaS product . Were looking … twinned with experience of AI-Native Engineering and Agentic Workflow . Skills Were Looking For: SeniorStaff-level backend engineer with deep, current expertise in C# and .NET Core 8/9 , capable of architecting and leading the design of distributed REST API microservices at scale. Authority in AWS serverless architecture ...

Power Apps, Dual-write, BYOD, Lifecycle Services (LCS), and environment monitoring. The ideal candidate will possess strong technical expertise across X++, .NET/C#, SQL, JavaScript, Visual Studio, and D365 extension frameworks. Key Requirements Strong hands-on expertise in Microsoft Dynamics 365 F&O Proven implementation and AMS/support … experience X++ .NET/C# SQL & JavaScript Visual Studio D365 Extension Frameworks Power Platform Azure Services, including Logic Apps, Functions, and Service Bus Experience with DMF, Data Entities, SSRS, ER, Dual-write, BYOD, and LCS Duration: Initial 1-month contract with strong possibility of extension Day Rate ...

Front Office C# Developer - Commodities Derivatives Day Rate: Up to £750/day (Umbrella) Duration: 6 months initially Location: Marylebone - London Working Arrangement: Hybrid - 3 days per week onsite We're looking for a Front Office C# Developer to join a London-based leading Global Markets business team supporting … Ensure platform stability through robust testing and release control. Follow team standards for code review, deployment and architectural governance. Essential Strong commercial experience with C# Solid SQL Server experience Background working on complex, business critical platforms Experience with commodities and/or derivatives products Organised, delivery-focused, and comfortable working ...

Trading, Quant, and Technology colleagues across London, Hong Kong, and New York, contributing to a modern technology stack that includes TypeScript/React UI, C# services, PostgreSQL, and pricing services integrating with quant libraries. Required Skills & Qualifications: Strong experience in C# and modern backend development. Solid understanding of TypeScript … cross-time-zone collaboration. Day-to-day of the role: React/TypeScript UI (20%): Real-time risk visualisation, scenario tools, trader workflows. C# Backend Services (30%): Pricing requests, risk aggregation, workflow orchestration. PostgreSQL (20%): Schema design, performance tuning, data modelling. Pricing Services/Quant Integration (30%): Interfacing with quant ...

experienced senior developer to build on their experience in Commodities or similar trading development role in this successful Commodities Trading company. The Senior C# Developer will have significant prior experience as a Senior Software Engineer/Senior Developer working as C# Developer in a Commodities trading environment where they will … business as well as senior technical colleagues such as architects. Central London location, with Hybrid working expected. Very strong core skills in C# are expected Good knowledge of Commodities Trading is also required. Please apply now if your curious to learn more, for a confidential discussion about the role ...

Lead C# Engineer - Agentic Workflows & Native AI Engineering, .Net 8/9, AWS (Lambda, SQS) OUTSIDE IR35 Reporting to the Director of Engineering, this is a genuinely outstanding contract opportunity for a rockstar Senior C# Engineer to lead the development of a greenfield SaaS product click apply for full ...