1 to 25 of 57 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 ❯

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 self development opportunities? You could be progressing your career … 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 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 self development opportunities? You could be progressing your career … 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 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 self development opportunities? You could be progressing your career … 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 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 self development opportunities? You could be progressing your career … 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 ❯

Social network you want to login/join with: Senior C# Developer - Equity Derivatives Technology Risk (VP) – London, London col-narrow-left Client: 06500 Citigroup Global Markets Limited Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference … b9b17db746bd Job Views: 2 Posted: 02.06.2025 Expiry Date: 17.07.2025 col-wide Job Description: 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. … 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 More ❯

Other - EU work permit required: Yes col-narrow-right Job Views: 1 Posted: 25.05.2025 Expiry Date: 09.07.2025 col-wide Job Description: Senior C# Developer/Software Engineer (Windows Desktop Trading Systems) London to £140k Are you a Senior C# Developer … financial services experience? You could be progressing your career at a Hedge Fund with over $10 billion under management. As a Senior C# Developer you will work on critical systems across front, middle and back office systems to support trading, operations, finance, compliance and investor … relations, optimising system performance to ensure efficient real-time data processing, reporting and automation of operational workflows. You'll focus on building C#, WinForms, WPF desktop applications and design and implementation of scalable, service orientated architectures (SOA) but will also gain exposure to web applications using React and/ More ❯

skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Client Server Senior C# Developer/Engineer (C# .Net Core React) London/WFH to £80k Are you a skilled C# Developer … 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 Quant Fund (up to £120K + Bonus + Hybrid) Client : Elite Quant Fund Salary : Up to £120,000 + performance-based bonuses Location : London/Hybrid Roles and Responsibilities : We are partnering closely with an Elite Quant … Fund 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 ❯

Job Description Job Title : Senior C# Developer – Elite Investment Bank (up to £120K + Bonus + Hybrid) Client : Elite Investment Bank Salary : Up to £120,000 + performance-based bonuses Location : London/Hybrid Roles and Responsibilities : We are partnering closely with an Elite Investment … Bank 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 - Equity Derivatives Technology Risk (VP) – London page is loaded Senior C# Developer - Equity Derivatives Technology Risk (VP) – London Apply remote type Hybrid locations London United Kingdom time type Full time posted on Posted Yesterday job requisition id … 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 … 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 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 ❯

Social network you want to login/join with: A globally leading quant trading firm in London are looking for a Senior C# Developer to join their agile, London-based technology team. Working on trade execution, the Senior C# Developer will be working closely alongside execution traders, portfolio managers, and quant developers in C# and SQL on AWS cloud infrastructure. The work carried out by this team is business critical, and the successful C# developer will have significant ownership and impact over projects and … the business as a whole. Required Skills: BSc/MSc in STEM subject Strong knowledge of C# fundamentals SQL experience Experience of Test-Driven and agile development environments Skills that are nice to have, but not required: Background in Computer Science/Maths Experience with .NET 5.0 Experience working More ❯

prop trading firm with a strong focus on high quality technology and systematic and quant trading models are looking for a Senior C# Developer to join their small, agile, London-based team. With zero red tape or bureaucracy often associated with bigger buy-side firms … of engineers, researchers, modellers and traders know how to get things done in a cutting-edge market. Working next to the business, the successful C# Developer will be working with vast, complex data sets, and will be building algorithmic trading models and infrastructure in C#/… SQL, directly with London-based quants and traders. Requirement s: Degree-level education in STEM subject, preference for Computer Science Strong programming experience in C# and SQL Experience with vast data sets with SQL (or equivalent) Experience in multi-threaded environments and networking (TCP/UDP) desired but not More ❯

Senior C# Developer - Up to £160,000 P/A + Bonus - London/Hybrid Salary - Up to £160,000 P/A + Bonus Location – London/Hybrid My client is a well-established and successful tech house working in the finance sector who … are looking for 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, on … some of the most up-to-date tech in the industry, on a greenfields project! Requirements: Strong experience working with C#/.Net Experience working with Cloud Technologies (Azure preferred) Experience working with Typescript - Angular or React Strong SQL experience Strong Communication skills with a drive to be working More ❯

Senior C# Developer - Systematic Trading Firm | Up to £140K Base A high-growth systematic trading firm are searching for an experienced C# Developer to join their Data Applications team. This team sits at the heart of the business giving you exposure to … with access to the founder and C level individuals Free daily lunch and snacks Requirements: 10+ years of software engineering experience Strong proficiency in C# Track record of delivering scalable, greenfield products Relational database experience - ideally Postgres API experience Ideally proficiency in React and/or Typescript Bachelor's More ❯

Senior C# Developer - Systematic Trading Firm | Up to £140K Base A high-growth systematic trading firm are searching for an experienced C# Developer to join their Data Applications team. This team sits at the heart of the business giving you exposure to … with access to the founder and C level individuals Free daily lunch and snacks Requirements: 10+ years of software engineering experience Strong proficiency in C# Track record of delivering scalable, greenfield products Relational database experience - ideally Postgres API experience Ideally proficiency in React and/or Typescript Bachelor's More ❯

Senior C# Developer - Systematic Trading Firm | Up to £140K Base A high-growth systematic trading firm are searching for an experienced C# Developer to join their Data Applications team. This team sits at the heart of the business giving you exposure to … with access to the founder and C level individuals Free daily lunch and snacks Requirements: 10+ years of software engineering experience Strong proficiency in C# Track record of delivering scalable, greenfield products Relational database experience - ideally Postgres API experience Ideally proficiency in React and/or Typescript Bachelor's More ❯

Senior C# Developer - Systematic Trading Firm | Up to £140K Base A high-growth systematic trading firm are searching for an experienced C# Developer to join their Data Applications team. This team sits at the heart of the business giving you exposure to … with access to the founder and C level individuals Free daily lunch and snacks Requirements: 10+ years of software engineering experience Strong proficiency in C# Track record of delivering scalable, greenfield products Relational database experience - ideally Postgres API experience Ideally proficiency in React and/or Typescript Bachelor's More ❯

Senior C# Developer - Systematic Trading Firm | Up to £140K Base A high-growth systematic trading firm are searching for an experienced C# Developer to join their Data Applications team. This team sits at the heart of the business giving you exposure to … with access to the founder and C level individuals Free daily lunch and snacks Requirements: 10+ years of software engineering experience Strong proficiency in C# Track record of delivering scalable, greenfield products Relational database experience - ideally Postgres API experience Ideally proficiency in React and/or Typescript Bachelor's More ❯

Senior C# Developer - Systematic Trading Firm | Up to £140K Base A high-growth systematic trading firm are searching for an experienced C# Developer to join their Data Applications team. This team sits at the heart of the business giving you exposure to … with access to the founder and C level individuals Free daily lunch and snacks Requirements: 10+ years of software engineering experience Strong proficiency in C# Track record of delivering scalable, greenfield products Relational database experience - ideally Postgres API experience Ideally proficiency in React and/or Typescript Bachelor's More ❯

Social network you want to login/join with: Senior C# (.Net Core) Developer (10+ years) with strong backend experience to upgrade a complex application in a Cloud environment (AWS), London col-narrow-left Client: S.i. Systems Location: London, United Kingdom Job Category: Other - EU … narrow-right Job Reference: 38acd2d133e9 Job Views: 12 Posted: 28.04.2025 Expiry Date: 12.06.2025 col-wide Job Description: Our client is seeking Senior C# (.Net Core) Developer (10+ years) with strong backend experience to upgrade a complex application in a Cloud environment * This role is … be willing to work standard MST business hours. Preference given to local Calgary candidates. Must Have: 10+ years experience as a Senior C# (.Net Core) Developer with strong backend experience to upgrade a complex application Experience with both non-relational ( MongoDB , AWS DynamoDB ) and relational More ❯

Senior C# Developer - Systematic Trading Firm | Up to £140K Base A high-growth systematic trading firm are searching for an experienced C# Developer to join their Data Applications team. This team sits at the heart of the business giving you exposure to … with access to the founder and C level individuals Free daily lunch and snacks Requirements: 10+ years of software engineering experience Strong proficiency in C# Track record of delivering scalable, greenfield products Relational database experience - ideally Postgres API experience Ideally proficiency in React and/or Typescript Bachelor's More ❯