26 to 50 of 54 Senior C# Developer Jobs in London

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 … a greenfields project! This is 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 skills with a drive to 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 … a greenfields project! This is 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 Cloud Technologies (Azure preferred) Finance 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 … a greenfields project! This is 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 Cloud Technologies (Azure preferred) Finance 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 … a greenfields project! This is 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 Cloud Technologies (Azure preferred) Finance 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 in 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, researchers, and stakeholders to deliver systems that are reliable, high-performing, and secure. Key Responsibilities Depending on your experience … and technical professionals Oversee cloud 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. Git) ETL experience with financial More ❯

based on your skills and experience — talk with your recruiter to learn more. Base pay range A Proprietary Trading firm in London is seeking a talented Senior C# Developer to join their trading and execution team. This new role has been created due to the company’s strong performance and internal growth, offering a fantastic … enhancing data analytics platforms. Collaborate with the team to improve operational workflows and user experience. Key Requirements Degree in Computer Science or a related scientific field. Strong experience in C# and the .NET platform. Experience in building or maintaining trading and data analytics platforms. Good database experience, including SQL Server, Oracle, or similar. Knowledge of Web Technologies (HTML5, CSS … stack and on multiple exciting projects. This role presents a unique chance to grow within a dynamic and rapidly expanding technology firm. #Referment Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Information Technology Industries Software Development, Financial Services, and IT Services and IT Consulting Referrals increase your chances of More ❯

actively keep this knowledge current. Adhere to Policies & Standards outlined in the Code of Conduct and mandatory training. Investigate and resolve production issues. Required Skills: Experience developing applications in C#, .NET, and .NET Core for server-side development. Experience building microservices and REST APIs. Proven experience with Agile methodologies (preferably Scrum/Kanban). Experience writing MSSQL/TSQL More ❯

adhere to Policies & Standards appropriate to the role - outlined in the Code of Conduct and mandatory training. Investigation and resolution Production issues  Required Skills: Experience developing applications in C#, .NET, and .NET Core for general server-side development. Experience building micro-services and REST APIs. Proven Agile experience (preferably Scrum/Kanban) Experience writing MSSQL/TSQL code. More ❯

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 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 new areas including renewable energy … trading and asset optimisation. The 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 Impellam Group STEM Portfolio are More ❯

with your recruiter to learn more. Base pay range Direct message the job poster from Stanford Black Limited Senior Recruitment Consultant at Stanford Black 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 … cross team interactions, flat structure 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 degree - ideally in computer science … United Kingdom 3 weeks ago London, England, United Kingdom 11 months ago London, England, United Kingdom 1 week ago London, England, United Kingdom 1 month ago Front-End Developer/React Specialist Internship Woking, England, United Kingdom 1 week ago London, England, United Kingdom 4 months ago London, England, United Kingdom 1 week ago Front End Developer 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 many exciting areas. There is currently an abundance of ongoing … cross team interactions, flat structure 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 degree - ideally in computer science 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 many exciting areas. There is currently an abundance of ongoing … cross team interactions, flat structure 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 degree - ideally in computer science 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 many exciting areas. There is currently an abundance of ongoing … cross team interactions, flat structure 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 degree - ideally in computer science 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 many exciting areas. There is currently an abundance of ongoing … cross team interactions, flat structure 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 degree - ideally in computer science More ❯

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 responsible 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 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 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 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# … 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 … technologies. Collaboration with top-tier infrastructure teams in the financial sector. Key Requirements: Degree in Computer Science or STEM based subjects. Strong programming skills as a Senior C# Developer. 4+ years of work experience in a Fixed Income environment such as Bonds or Swaps. Proficiency in modern software development practices, including version control and agile development methodologies. 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 … 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 … share knowledge to enhance team capabilities Stay updated with the latest industry trends, technologies, and best practices. Proactively suggest improvements to existing systems and processes Technical Skills: Proficient in C# and ideally C++ programming languages Experience with multi-threading, concurrency, and real-time systems Familiarity with financial data protocols and market data feeds In depth knowledge of SQL and More ❯

to focus on growth and expansion through real time data. We are seeking a highly skilled and experienced Senior Back End Developer with expertise in C# and SQL. The ideal candidate will be a native English speaker with a strong passion for developing solutions that address real-world challenges. You will play a crucial role … in designing, developing, and maintaining our back-end systems, ensuring they are robust, scalable, and efficient. Tasks Design, develop, and maintain back-end systems using C# and SQL. Collaborate with front-end/full stack developers and other team members to integrate user-facing elements with server-side logic. Optimize applications for maximum speed and scalability. Troubleshoot and debug … data protection measures. Stay up-to-date with emerging technologies and industry trends. Requirements Proven experience as a Back End Developer or similar role. Strong proficiency in C# and SQL. Native English speaker. Excellent problem-solving skills and a passion for finding real-world solutions, using tools in novel ways if required. Experience with building and consuming More ❯

Senior Lead C# Software Developer We urgently require a Senior C# Lead Developer with at least 5 to 10 years solid expertise in developing financial systems ideally banking systems. Your experience should include extensive knowledge of developing complex financial systems in C# as Teal Leader. Any experience of SQL More ❯

Job Description Senior Lead C# Software Developer We urgently require a Senior C# Lead Developer with at least 5 to 10 years solid expertise in developing financial systems, ideally banking systems. Your experience should include extensive knowledge of developing complex financial systems in C# as a Team Leader. Any More ❯

Social network you want to login/join with: Senior C# Quantitative Developer, London (City of London) Client: Lorien Location: London (City of London), United Kingdom Job Category: Other EU work permit required: Yes Job Views: 3 Posted: 16.06.2025 Expiry Date: 31.07.2025 Job Description: 6 month contract - Inside IR35 Our industry-leading investment banking client … is looking for a senior C# Quantitative Developer to join on a 6-month rolling contract, working with a hybrid model. Essential skills/attributes: Very good understanding of Fixed Income products, specifically interest rates swaps and options products TDD Strong communication and requirements analysis skills Experience with CI/CD pipelines Capable of picking More ❯

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 Business Responsibilities: Contribute to the design and development of the electronic FX Options Trading Platform specializing in: RFQ (Request for Quote) client or sales to … continuous improvement of development, deployment 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 inter-application communication using REST More ❯

Have you ever wanted to work in one of the top Alternative Investment funds in the world? Or maybe you already do, but want a change of scenery and less red tape. If so, this is for you. They are More ❯

Have you ever wanted to work in one of the top Alternative Investment funds in the world? Or maybe you already do, but want a change of scenery and less red tape. If so, this is for you. They are More ❯