22 of 22 Remote Senior C# Developer Jobs in London

Senior C# Developer - Equity Derivatives Technology Risk (VP) – London Join to apply for the Senior C# Developer - Equity Derivatives Technology Risk (VP) – London role at Citi Senior C# Developer - Equity Derivatives Technology Risk (VP) – London … Join to apply for the Senior C# Developer - Equity Derivatives Technology Risk (VP) – London role at Citi Job Overview: We are seeking an experienced and highly skilled Senior C# Developer to join our dynamic team. The ideal candidate will be … for designing, developing features across the Equity Derivatives Risk Management Platform. Job Overview: We are seeking an experienced and highly skilled Senior C# Developer to join our dynamic team. The ideal candidate will be responsible for designing, developing features across the Equity Derivatives Risk Management More ❯

Social network you want to login/join with: Senior C# Developer/Engineer (C# .Net Core React) London/WFH to £80k Are you a skilled C# Developer looking to work on complex and interesting systems with continual learning and … a senior, hands-on role at a successful and scaling Retail FX Brokerage working on Greenfield systems. As a Senior C# Developer you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built … mostly in C# and React deployed to Azure. You'll focus on C# .Net backend development within an AWS environment, but also with exposure across the full technology stack in a modern development environment with microservices. There are many technical challenges to explore, the initial project will be More ❯

Senior Developer - Systematic Trading Tools (C#/Rust) Senior Developer - Systematic Trading Tools (C#/Rust) 2 days ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Overall Purpose of the … Role We are seeking a senior technology developer with strong experience in C# and either Rust or C++. This role covers the full software development lifecycle, including stakeholder engagement, requirements gathering, analysis, development, testing, deployment, and ongoing support. Overall Purpose of the Role We are … seeking a senior technology developer with strong experience in C# and either Rust or C++. This role covers the full software development lifecycle, including stakeholder engagement, requirements gathering, analysis, development, testing, deployment, and ongoing support. The role includes taking ownership of an existing stand-alone More ❯

Job Description Job Title : Senior C# Developer – Elite Fintech Company (up to £120K + Bonus + Hybrid) Client : Elite Fintech Company Salary : Up to £120,000 + performance-based bonuses Location : London/Hybrid Roles and Responsibilities : We are partnering closely with an Elite Fintech … Company who are looking for a Senior C# Developer to work on building out their Front Office Fixed Income trading platform. With a commitment to the highest tech standards in the industry, our client prides itself on maintaining cutting-edge technology and a progressive work … environment. As a Senior C# Developer, you will play a pivotal role in the firm's operations, ensuring the smooth efficiency of their processes. This position offers a unique opportunity to join a dynamic team of professionals in an intellectually stimulating environment. Benefits : Exceptional professional More ❯

Senior C# Developer/Software Engineer (C# .Net AWS Python) London/WFH to £100k Would you like to join a growing and profitable start-up that is viewed as a leading FinTech disruptor in a senior role that will allow you … a great deal of influence and progression? As a Senior C# Developer you will architect and build highly performant and scalable solutions using the Microsoft tech stack and SOLID design principles, collaborating with cross functional Agile project teams in 2 week Sprints, you'll be … week. About you: You are an experienced Software Developer/Engineer with a strong knowledge of modern best practice You have strong C# backend development skills, ideally also Python coding skills You have a good knowledge of AWS You have experience of working on highly scalable systems More ❯

Senior C# Developer/Software Engineer (C# .Net AWS Python) London/WFH to £100k Would you like to join a growing and profitable start-up that is viewed as a leading FinTech disruptor in a senior role that will allow you … a great deal of influence and progression? As a Senior C# Developer you will architect and build highly performant and scalable solutions using the Microsoft tech stack and SOLID design principles, collaborating with cross functional Agile project teams in 2 week Sprints, you'll be … week. About you: You are an experienced Software Developer/Engineer with a strong knowledge of modern best practice You have strong C# backend development skills, ideally also Python coding skills You have a good knowledge of AWS You have experience of working on highly scalable systems More ❯

Senior C# Developer - Equity Derivatives Technology Risk (VP) - London Senior C# Developer - Equity Derivatives Technology Risk (VP) - London Senior C# Developer - Equity Derivatives Technology Risk (VP) - London Job Overview: We are seeking an experienced and … highly skilled Senior C# Developer to join our dynamic team. The ideal candidate will be responsible for designing, developing features across the Equity Derivatives Risk Management Platform. This role demands a proactive individual who can work collaboratively in a fast-paced environment to deliver innovative … solutions. Key Responsibilities: Implement robust, high-performance, and scalable solutions for Citi's Equity Derivatives Risk management platform using C# (C++ is a bonus) Collaborate with traders, quants, and analysts to gather requirements and ensure the software meets business needs Integrate new features and functionalities into existing risk infrastructure More ❯

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 … a C# Developer in a trading environment, with knowledge of the full trade lifecycle and the ability to communicate effectively with traders, senior stakeholders, and technical colleagues such as architects. There will be a variety of challenging and exciting projects as the company expands into … company is transitioning to the cloud, so Azure Platform experience would be advantageous. Location: Central London, with hybrid working arrangements. Core skills required include C# and SQL Server . Good knowledge of some front-end technologies such as Vue, Angular, or React is also required. Carbon60, Lorien & SRG - The More ❯

Senior C# Developer - up to £750 per day Role Type : Contract Rate - Up to £750 P/D! Location – London/Hybrid Duration : 6 month rolling My client is a well-established and successful tech house working in the finance sector who are looking a … talented senior C# Developer, with outstanding technical and communication skills to join their existing team of software engineers and work on an exciting new project! You will get the chance to work with some of the best technologists out there, one some of the most … a 6 month rolling Contract, with high possibility of extension, and can pay up to £750 P/D Requirements: Strong experience working with C#/.Net Strong experience with SQL - Ideally with SQL reporting tool (SSIS/SSRS etc) Experience working with Cloud Technologies (Azure preferred) Strong Communication More ❯

Role Type : Contract Title – Senior C# Engineer Client – Established Financial Institution Rate - Up to £750 P/D! Location – London/Hybrid Duration : 6 month rolling My client is a well-established and successful tech house working in the finance sector who are looking a talented senior C# Developer, with outstanding technical and communication skills to join their existing team of software engineers and work on an exciting new project! You will get the chance to work with some of the best technologists out there, one some of the most up to … a 6 month rolling Contract, with high possibility of extension, and can pay up to £700 P/D Requirements: Strong experience working with C#/.Net Strong experience with SQL - Ideally with SQL reporting tool (SSIS/SSRS etc) Front end experience a big plus! Experience working with More ❯

Role Type : Contract Title – Senior C# Engineer Client – Established Financial Institution Rate - Up to £750 P/D! Location – London/Hybrid Duration : 6 month rolling My client is a well-established and successful tech house working in the finance sector who are looking a talented senior C# Developer, with outstanding technical and communication skills to join their existing team of software engineers and work on an exciting new project! You will get the chance to work with some of the best technologists out there, one some of the most up to … a 6 month rolling Contract, with high possibility of extension, and can pay up to £700 P/D Requirements: Strong experience working with C#/.Net Strong experience with SQL - Ideally with SQL reporting tool (SSIS/SSRS etc) Front end experience a big plus! Experience working with More ❯

Job Description Role Type: Perm Title: Senior C# Engineer Client: Established Financial Institution Salary: Up to £120,000 P/A + Bonus Location: London/Hybrid My client is a well-established and successful tech house working in the finance sector, seeking a talented senior C# Developer with outstanding technical and communication skills to join their existing team of software engineers and work on an exciting new project! You will have the opportunity to work with some of the best technologists and the latest technologies in the industry on a … greenfield project! Requirements: Strong experience with C#/.NET Experience with Cloud Technologies, particularly Azure Experience with TypeScript and frameworks like Angular or React Strong SQL skills Finance experience is a plus Excellent communication skills and a drive to work with cutting-edge technology If this sounds like your More ❯

Social network you want to login/join with: Senior C# (.NET) Developer with search ranking (Apache Solr) experience to build microservices and queries for search indexing in an AWS environment, London col-narrow-left Client: S.i. Systems Location: London, United Kingdom Job Category: Other … Job Reference: 56e5100d2bd4 Job Views: 2 Posted: 02.06.2025 Expiry Date: 17.07.2025 col-wide Job Description: Our Client is seeking a Senior C# (.NET) Developer with search ranking (Apache Solr) experience to build microservices and queries for search indexing in an AWS environment. Fully remote … within Canada. Must Haves: 8+ years as a Software Developer using Object-Oriented Design (OOD) Most recent 3 years primarily focused on C# (.NET) Experience with Apache Solr including changing ranking order, key areas, adding plug ins and building custom analyzers Experience working in cloud environment, AWS More ❯

Senior/Lead Developer (C#/Python) - TOP Hedge Fund! Are you looking for a real and meaningful challenge? Do you enjoy solving problems? Are you ambitious and looking for autonomy and influence ? Central London - Hybrid working (3 days in the office and 2 days … the office) You will be joining a small but growing hedge fund which is stable. A high-performing hedge fund is hiring a Senior/Lead Developer t o help design, build, and scale cutting-edge trading and operational systems. You'll work closely with traders … adoption and security architecture Present complex tech solutions to senior management Skills & Experience Required 5-7+ years in hands-on development (C# and/or Python) Strong background in hedge fund, asset management , or financial markets Solid DevOps skills: CI/CD, containerisation, source control (e.g. More ❯

crucial role in creating high-quality, scalable, and resilient solutions while mentoring junior team members and supporting existing initiatives. Responsibilities: Create and adapt new C#/.NET Core services to meet evolving business requirements. Mentor and coach existing team members through pair programming , peer reviews , and team talks , helping … them improve their C#/.NET Core skills. Support and enhance current systems and initiatives during office hours, ensuring that service level objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer … of an agile and self-improving team. Strong diagnostic skills and experience providing levels of support when issues arise. Extensive experience ( 5+ years ) with C# and .NET Core . Deep understanding of Object-Oriented (OO) concepts and SOLID design principles . Proven experience developing in Microsoft Azure and using More ❯

Senior Backend Software Engineer (C# .NET Core) - Revolutionise Healthcare with REST API Design! Are you ready to make a monumental impact in the healthcare industry? We're looking for a Senior/Lead Backend Software Engineer with a strong focus on REST API design to … team. Reporting directly to the Vice President of Software Development, this is a hands-on leadership position. Role: Senior Backend Software Engineer (C# .NET Core) Location: Fully Remote (UK) Salary: Up to £90,000 + Excellent Benefits + Share Options Reporting To: Vice President of Software Development … also develop relational database schemas and work within a containerized microservice platform. Key Responsibilities: REST API Design & Implementation: Develop and maintain REST APIs using C# and .NET Core SDK. Database Mastery: Design relational database schemas, utilize Entity Framework (ORM), manage database migrations, and work with PostgreSQL. Microservices: Containerize microservices More ❯

Senior Pricing Services Developer (C#) FX Options Pricing - London (VP) We are seeking a highly skilled and motivated server side application developer to play a key role on a greenfield multiyear transformation program aimed at modernizing and scaling the electronic FX Options Trading … and testing processes Share your knowledge and mentor other developers, fostering a collaborative and innovative team environment Required Skills: Advanced knowledge and experience of C# development in an event-driven architecture. Equivalent experience using Java would also be considered Proficient in multithreading, concurrency and performance tuning Solid understanding of More ❯

Social network you want to login/join with: Senior Full Stack C# .NET Developer, west london col-narrow-left Client: WebX Systems Ltd. Location: west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 … Expiry Date: 15.07.2025 col-wide Job Description: Senior Full Stack C# .NET DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB, UltraAuthor, UltraXML , and UltraPortal —are … cloud-native architecture. This role is perfect for someone who enjoys innovating within established environments while also driving forward new development. Technology Stack Legacy C#, .NET Framework, WinForms, WCF Client-Server Architecture, MS SQL Server Modern .NET 9, Blazor, Minimal APIs Entity Framework, Redis, RabbitMQ Aspire (.NET), Cloud-Native More ❯

Social network you want to login/join with: Senior Full Stack C# .NET Developer, south west london col-narrow-left Client: WebX Systems Ltd. Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views … Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Senior Full Stack C# .NET DeveloperFully Remote (UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB, UltraAuthor, UltraXML , and … cloud-native architecture. This role is perfect for someone who enjoys innovating within established environments while also driving forward new development. Technology Stack Legacy C#, .NET Framework, WinForms, WCF Client-Server Architecture, MS SQL Server Modern .NET 9, Blazor, Minimal APIs Entity Framework, Redis, RabbitMQ Aspire (.NET), Cloud-Native More ❯

Senior C#.NET Developer - Front Office The … Front Office (Fixed Income) software development team requires an agile and versatile specialist who is a team player with extensive expertise in .NET/C# software development. The role demands an experienced individual comfortable working closely with a variety of front office stakeholders globally. Role Details Title: Senior Developer (Software Engineer) Technical Stack: C#.NET, .NET Core, SQL Server Type: Permanent Salary: £88,000 - £110,000 Location: London City and hybrid home working Focus: Front Office Fixed Income Role Summary Work closely with the Front Office (specifically within Fixed Income) to build and develop innovative More ❯

the future of work with us. Join us in unlocking global potential, one human and agent team at a time. Mission As a Senior Fullstack Engineer at Smartcat, you'll be at the forefront of shaping our platform's future. You'll lead the development of cutting-edge … knowledge sharing, and continuous learning Requirements 7+ years of proven professional experience as a Software Engineer, with at least 3 years in .NET and C# 2+ years of experience in product companies (SaaS) 2 years of commercial experience with modern web frameworks like React/Angular/Vue Passion … and strong skill for writing clean, maintainable, and testable code and well-documented C# code Experience with writing and maintaining Unit tests and E2E tests Advanced experience with MongoDB Upper-intermediate or higher English proficiency Experience with usage of the LLM-based solutions in daily workflow (ChatGPT, CoPilot, JetBrains More ❯

Summary: Based in central London, with a hybrid work-from-home policy, the successful software engineer does not need specific financial knowledge or experience but should have a strong interest in the field. The role involves developing a quantitative research More ❯