12 of 12 C# Software Engineer Jobs in London

Contract C# Software Engineer Near Wimbledon 6-month contract Software Engineer role developing C# Windows applications that interface with hardware. This role is inside IR35 and requires on-site work 3 days per week (full time for the first … weeks). C# Software Engineer skills required - Good analytical skills and experience of code and design review for large projects. Experience of multi-threaded and distributed applications, preferably with an understanding network of protocols. Strong Experience in developing Windows desktop applications in C# Interfacing ...

Commando Software Engineer - C# .Net Core We are seeking a skilled Software Engineer with expertise in C# .Net Core to join our dynamic team on the trading floor. This role is crucial for supporting USD swaps traders by developing, maintaining … colleagues. Required Skills & Qualifications: Proven experience as a developer on a trading floor, with a strong background in software engineering. Proficient in C#, with additional skills in Python and VBA desirable. Experience with Swaps, Bonds, or Equity products is essential. Excellent problem-solving skills and the ability ...

Software Engineer | C#/.NET Core | SQL | Azure | APIs | Full stack Leaning | Fully Remote UK Salary: £70,000 + excellent benefits Contract: Permanent Start: ASAP Working model: Fully Remote (UK-based) - office available in London if you want it Eligibility: Only UK residents … British Passport - No Sponsorship Required: C# .NET Core, APIs, Azure, SQL Server, 7+ years commercial experience (Non-Negotiable) Please only apply if you have ALL of the following Core technologies: C#/.NET Core APIs and backend services Azure (Service Bus, Storage, KeyVault, etc.) SQL Server Containers Unit ...

Software Engineer III (Python & C#) Do you thrive in solving challenging problems with Python and C#, while driving engineering excellence across teams? LexisNexis Intellectual Property, with 11,300 employees worldwide and serving customers in more than 150 countries, is part of RELX, a global … development tools responsibly to accelerate development while maintaining code quality, security, correctness, and maintainability. Proficiency in development languages, including but not limited to: Python, C#, .NET, JavaScript, TypeScript, React, and Angular. Familiarity with industry best practices, including agentic code development, secure coding practices, security scans, versioning, unit testing, test ...

## Principal Software Engineer - C#Applylocations: Londontime type: Full timeposted on: Posted Todayjob requisition id: R5616The TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution … hour, multi-region trading operations (follow-the-sun handover, timezone-aware processing across London/New York/Singapore)Technical:* Expert-level C#/.NET (LTS): back-end services with ASP.NET Core.* Experience designing and delivering event-driven, service-oriented back-end systems (message brokers, async workflows, API design ...

with exceptional professionals for this role. Join Barclays as a Senior Software Engineer, where you will design and build scalable C# (.NET/.NET Core) and Python-based calculation engines to drive efficiency and enable dynamic client billing. You will develop robust data models … will ensure billing outputs are accurate, transparent, and auditable while contributing to architectural design, performance optimisation, and operational resilience. Strong hands-on experience with C# .NET/.NET Core in financial, analytical, or data heavy applications Strong SQL Server skills for large datasets and performance tuned queries. Python experience ...

seeking a Senior Software Engineer to design, build, and maintain scalable software solutions within our Technology team in London. You will translate complex requirements into robust, secure systems and contribute to architectural direction while mentoring peers. You'll work with Azure, .NET, containers ...

London is seeking a Senior Software Engineer to design and deliver scalable software solutions within a product-led engineering team. You will help shape architectural direction and build secure, high-performing systems across APIs, microservices and cloud-native platforms. The role emphasizes collaboration with ...

building secure, scalable solutions. At JPMorganChase, you'll grow your career and collaborate with talented professionals in an inclusive environment. As a Lead Software Engineer in the Commercial & Investment Bank - Technology team, you will play a pivotal role in enhancing and delivering trusted technology products. … using front-end UI frameworks such as React or Angular Experience building ASP.NET MVC, Web API, or REST style applications Proficiency coding in C# with .NET Core or .NET frameworks Ability to develop, debug, and maintain code in a corporate environment using modern programming and database querying languages Understanding ...

Role Purpose We are seeking a highly experienced Principal Software Engineer to provide technical leadership across our technology function, driving the design, delivery, and continuous improvement of enterprise applications and digital services. This is a senior hands‐on role for an individual who combines deep technical … design and architecture of scalable, secure, and resilient enterprise applications, ensuring alignment with business and technology strategies. Drive Technical Leadership – Define and champion software engineering standards, architectural patterns, best practices, and reusable frameworks across the engineering community. Own Delivery Outcomes – Lead complex technology initiatives from concept through ...

Role Overview ICRV are seeking an exceptional Principal Engineer to own the architecture, design and hands‐on delivery of a desktop platform automating and streamlining trading desk workflows. This is a high‐visibility player‐coach role that may evolve to include formal people management. Role Responsibilities … hour, multi‐region trading operations (follow‐the‐sun handover, timezone‐aware processing across London/New York/Singapore). Expert‐level C#/.NET (LTS): back‐end services with ASP.NET Core. Experience designing and delivering event‐driven, service‐oriented back‐end systems (message brokers, async workflows, API design ...

improvement. Own the design and architecture of scalable, secure, and resilient enterprise applications, ensuring alignment with business and technology strategies. Define and champion software engineering standards, architectural patterns, best practices, and reusable frameworks across the engineering community. Lead complex technology initiatives from concept through to deployment and support … with Microsoft Azure services and cloud-based application development. Strong experience with relational databases and data management technologies, particularly SQL. Deep understanding of software architecture, system design, data structures, and algorithms. Experience of developing front-end applications Experience working with data warehouse and analytical platforms Proven technical experience ...