901 to 925 of 967 C# Jobs in London

QA Engineer 🧑💻 | C# | JavaScript | Playwright | FinTech | £95,000💷 My client is seeking a QA Engineer to work across the front, middle and back office. This role is seeking candidates who have exposure to the below skill set and come from a financial background. Location - London📍 Salary - £95,000 💷 Hybrid Working - 3 days per week onsite 🏢 Strong proficiency in C# and More ❯

QA Engineer 🧑💻 | C# | JavaScript | Playwright | FinTech | £95,000💷 My client is seeking a QA Engineer to work across the front, middle and back office. This role is seeking candidates who have exposure to the below skill set and come from a financial background. Location - London📍 Salary - £95,000 💷 Hybrid Working - 3 days per week onsite 🏢 Strong proficiency in C# and More ❯

QA Engineer 🧑💻 | C# | JavaScript | Playwright | FinTech | £95,000💷 My client is seeking a QA Engineer to work across the front, middle and back office. This role is seeking candidates who have exposure to the below skill set and come from a financial background. Location - London📍 Salary - £95,000 💷 Hybrid Working - 3 days per week onsite 🏢 Strong proficiency in C# and More ❯

Senior C# Developer within FX Options – Investment Banking – Greenfield Project Location: Central London (3 days per week onsite) Contract Type: Outside IR35 Salary/Rate: Up to ~£825/day DOE A leading investment banking team is embarking on a greenfield build of a high-performance pre-trade application and is seeking a Senior C# Developer with strong experience in … desk to design and build a system that handles large volumes of market data in near real-time. Key Responsibilities: Design and develop scalable, high-performance systems using modern C# .Net (version 9) Build and integrate APIs and microservices to support trading workflows Collaborate closely with FX Options traders to understand business requirements and deliver tailored solutions Contribute to architectural … a greenfield application Participate in the migration of legacy monolithic systems to microservices (Optional) Support front-end development using ReactJS across related applications Required Experience: Expert-level proficiency in C# with a strong grasp of recent language features and .NET ecosystem Proven experience working with FX Options trading systems or directly with Options traders Solid understanding of systems integration, API More ❯

Senior C# Developer within FX Options – Investment Banking – Greenfield Project Location: Central London (3 days per week onsite) Contract Type: Outside IR35 Salary/Rate: Up to ~£825/day DOE A leading investment banking team is embarking on a greenfield build of a high-performance pre-trade application and is seeking a Senior C# Developer with strong experience in … desk to design and build a system that handles large volumes of market data in near real-time. Key Responsibilities: Design and develop scalable, high-performance systems using modern C# .Net (version 9) Build and integrate APIs and microservices to support trading workflows Collaborate closely with FX Options traders to understand business requirements and deliver tailored solutions Contribute to architectural … a greenfield application Participate in the migration of legacy monolithic systems to microservices (Optional) Support front-end development using ReactJS across related applications Required Experience: Expert-level proficiency in C# with a strong grasp of recent language features and .NET ecosystem Proven experience working with FX Options trading systems or directly with Options traders Solid understanding of systems integration, API More ❯

Senior C# Developer within FX Options – Investment Banking – Greenfield Project Location: Central London (3 days per week onsite) Contract Type: Outside IR35 Salary/Rate: Up to ~£825/day DOE A leading investment banking team is embarking on a greenfield build of a high-performance pre-trade application and is seeking a Senior C# Developer with strong experience in … desk to design and build a system that handles large volumes of market data in near real-time. Key Responsibilities: Design and develop scalable, high-performance systems using modern C# .Net (version 9) Build and integrate APIs and microservices to support trading workflows Collaborate closely with FX Options traders to understand business requirements and deliver tailored solutions Contribute to architectural … a greenfield application Participate in the migration of legacy monolithic systems to microservices (Optional) Support front-end development using ReactJS across related applications Required Experience: Expert-level proficiency in C# with a strong grasp of recent language features and .NET ecosystem Proven experience working with FX Options trading systems or directly with Options traders Solid understanding of systems integration, API More ❯

Senior C# Developer within FX Options – Investment Banking – Greenfield Project Location: Central London (3 days per week onsite) Contract Type: Outside IR35 Salary/Rate: Up to ~£825/day DOE A leading investment banking team is embarking on a greenfield build of a high-performance pre-trade application and is seeking a Senior C# Developer with strong experience in … desk to design and build a system that handles large volumes of market data in near real-time. Key Responsibilities: Design and develop scalable, high-performance systems using modern C# .Net (version 9) Build and integrate APIs and microservices to support trading workflows Collaborate closely with FX Options traders to understand business requirements and deliver tailored solutions Contribute to architectural … a greenfield application Participate in the migration of legacy monolithic systems to microservices (Optional) Support front-end development using ReactJS across related applications Required Experience: Expert-level proficiency in C# with a strong grasp of recent language features and .NET ecosystem Proven experience working with FX Options trading systems or directly with Options traders Solid understanding of systems integration, API More ❯

C# Position: System Engineer Overview: System development for financial institutions Job Description: Due to the expansion of system development projects for financial institutions, we are seeking engineers with C#.NET Responsibilities: - Develop systems for financial institutions using C# - Design and implement functions from front-end to back-end based on requirements - Participate in all phases of system development: requirements definition, basic More ❯

quality applications. This role requires active SC and NPPV3 clearance from day one. This is a fully remote UK based role. Key Responsibilities Design, develop, and maintain applications using C# and .NET Framework/.NET 6+ Work with XML/JSON APIs for integration and data exchange Develop and execute automated tests with MSTest Collaborate with stakeholders to gather and … analyse requirements Ensure software is secure, scalable, and maintainable Essential Skills Strong commercial experience in C# In-depth knowledge of .NET Framework and .NET 6+ Proven experience working with XML/JSON APIs Proficiency with MSTest Background in requirements gathering and analysis Highly Beneficial Skills Docker Oracle SQL Postman Swagger Desirable Skills PowerShell scripting More ❯

suite includes connectivity to markets and multi-dealer venues, single dealer platform, pricing and trader tools, and supports FX spot, forward, options and deposits. The services are implemented in C#, Java and KDB+. The FX business is looking to improve their electronic footprint by leveraging KDB+ to determine client toxicity, back-testing and parameterisation of trading strategies, real-time generation … FATCA, EMIR, MiFID), Pricing & Valuation, Organizational Transformation & Process Improvement. IT & Information systems consulting: Business Analysis, Project Management, Change management, Front Office Support (functional and technical), Development (e.g C++, Python, C#, Java, VBA), Financial Software (e.g. Sophis, Murex, Summit, Calypso), IT Transformation & Innovation. As part of Quanteam Group, Quanteam UK & PL has today more than 80 consultants, working for major Capital More ❯

suite includes connectivity to markets and multi-dealer venues, single dealer platform, pricing and trader tools, and supports FX spot, forward, options and deposits. The services are implemented in C#, Java and KDB+. The FX business is looking to improve their electronic footprint by leveraging KDB+ to determine client toxicity, back-testing and parameterisation of trading strategies, real-time generation … FATCA, EMIR, MiFID), Pricing & Valuation, Organizational Transformation & Process Improvement. IT & Information systems consulting: Business Analysis, Project Management, Change management, Front Office Support (functional and technical), Development (e.g C++, Python, C#, Java, VBA), Financial Software (e.g. Sophis, Murex, Summit, Calypso), IT Transformation & Innovation. As part of Quanteam Group, Quanteam UK & PL has today more than 80 consultants, working for major Capital More ❯

suite includes connectivity to markets and multi-dealer venues, single dealer platform, pricing and trader tools, and supports FX spot, forward, options and deposits. The services are implemented in C#, Java and KDB+. The FX business is looking to improve their electronic footprint by leveraging KDB+ to determine client toxicity, back-testing and parameterisation of trading strategies, real-time generation … FATCA, EMIR, MiFID), Pricing & Valuation, Organizational Transformation & Process Improvement. IT & Information systems consulting: Business Analysis, Project Management, Change management, Front Office Support (functional and technical), Development (e.g C++, Python, C#, Java, VBA), Financial Software (e.g. Sophis, Murex, Summit, Calypso), IT Transformation & Innovation. As part of Quanteam Group, Quanteam UK & PL has today more than 80 consultants, working for major Capital More ❯

suite includes connectivity to markets and multi-dealer venues, single dealer platform, pricing and trader tools, and supports FX spot, forward, options and deposits. The services are implemented in C#, Java and KDB+. The FX business is looking to improve their electronic footprint by leveraging KDB+ to determine client toxicity, back-testing and parameterisation of trading strategies, real-time generation … FATCA, EMIR, MiFID), Pricing & Valuation, Organizational Transformation & Process Improvement. IT & Information systems consulting: Business Analysis, Project Management, Change management, Front Office Support (functional and technical), Development (e.g C++, Python, C#, Java, VBA), Financial Software (e.g. Sophis, Murex, Summit, Calypso), IT Transformation & Innovation. As part of Quanteam Group, Quanteam UK & PL has today more than 80 consultants, working for major Capital More ❯

data, ensuring high performance and stability . What we're looking for Who you are: Technical: You have strong software development skills in any object-oriented language (we use C#, C++ & Python mostly). You also understand algorithms, data structures, and object-oriented design patterns. Problem Solver : When it comes to solving problems, you use clear and sound reasoning. You … in Susquehanna. We provide a variety of technical classes to get you up to speed on any technologies that will be needed for success in your role. These include C#, C++, Python. Real Impact : Through a combination of hands-on and classroom discussion, you will learn how we solve the real technical challenges of building and maintaining the best trading More ❯

fellow engineers to design and maintain the backend services powering our customization features. As a Senior Backend Engineer, your expertise in building scalable systems using modern technologies (such as C# and .NET Core) will be instrumental in enabling these features horizontally across our products - Translate, Voice and APs. Your contributions will help shape the technical architecture underpinning customization workflows, ensuring … on-call rotation as needed. Qualities we look for Proficiency in a modern programming language with solid experience in backend development. Exposure to or familiarity with our tech stack (C#, .NET Core, gRPC) or similar technologies would be beneficial but is not a strict requirement. What's more important is your willingness and ability to learn new technologies quickly. Experience More ❯

Role Overview: We are seeking an experienced Quantitative Consultant to contribute to the development and maintenance of an Initial Margin calculation library . The core library is developed in C# and interacts with a C++ library through a dedicated bridge. Key Responsibilities: Develop, optimize, and maintain the Initial Margin calculation library. Work closely with quantitative and IT teams to ensure … robustness and performance. Contribute to the integration between C# and C++ environments. Ensure code quality, proper documentation, and technical support. Participate in the evolution of the technical stack, with future developments planned in Python. Profile Required: 5–10 years of experience in a Quantitative/Financial Engineering environment. Strong expertise in C++ and C# development. Solid understanding of risk modeling More ❯

Job Title: Power Platform Developer Location: Bristol (remote) Salary: up to £62,000 Peaple Talent are currently working alongside a worldclass research and development business in Bristol that are expanding and looking for a Power Platform Developer to join the More ❯

Job Title: Power Platform Developer Location: Bristol (remote) Salary: up to £62,000 Peaple Talent are currently working alongside a worldclass research and development business in Bristol that are expanding and looking for a Power Platform Developer to join the More ❯

Are you a software developer who enjoys working with financial markets and innovative technology? Spun out of one of the most successful hedge funds globally, you'll get the chance to work with likeminded people on an innovative project. You More ❯

Are you a software developer who enjoys working with financial markets and innovative technology? Spun out of one of the most successful hedge funds globally, you'll get the chance to work with likeminded people on an innovative project. You More ❯

The Client My client is a market leading FinTech business that spun-out of one of the largest and most successful hedge funds in the world. Their offering is a suite of technology and investment management infrastructure services that they More ❯

The Client My client is a market leading FinTech business that spun-out of one of the largest and most successful hedge funds in the world. Their offering is a suite of technology and investment management infrastructure services that they More ❯

Are you a software developer who enjoys working with financial markets and innovative technology? Spun out of one of the most successful hedge funds globally, you'll get the chance to work with likeminded people on an innovative project. You More ❯

Are you a software developer who enjoys working with financial markets and innovative technology? Spun out of one of the most successful hedge funds globally, you'll get the chance to work with likeminded people on an innovative project. You More ❯

Remote/Canary Wharf (London)- 3 days per week in a Canary Wharf office/2 days working remotely Rate - £415 per day (Inside IR35) Tech Stack RPA UiPath C# SQL Tasks Working closely with RPA Business Analyst to execute RPA initiatives by evaluating and designing process workflows including building, testing and implementing RPA solutions Creating and maintaining throughout the … To develop the required SQL scripts on both SQL Server and Oracle which will be utilised in the above extra functions or any other data analysis. Communication with other C# developers to keep data processing by robots acceptable in wider viewpoints across systems. As part of such exercises and in order to be able to obtain technical and business knowledge … occasionally, this role holder will be required to work on some C# development tasks within a C# developer group. Providing periodic status on the progress of development Dealing with any issues in development, User Acceptance Testing (UAT) and bug fixing Production Support (monitoring and troubleshooting) Conducting RPA testing and UAT support Follow the company coding standards Support RPA environment operations More ❯