1,676 to 1,700 of 3,166 C# Jobs

Lead C# Engineer – Core Trading Systems - Global Multi-Asset Investment Firm - London - Up to £500k TC Our client is a globally recognized, multi-asset investment firm managing over $25 billion in assets on behalf of a major philanthropic foundation and select institutional partners. Operating as both a family office and institutional-grade asset manager, the firm combines the long-term … teams to deliver user-centric, high-performance applications. Contribute to the modernization of legacy systems by migrating infrastructure to AWS and Snowflake, improving scalability and maintainability. Develop solutions using C#, Python, SQL Server, and cloud-native tools, alongside modern UI frameworks such as React or Angular. Provide ongoing production support for mission-critical systems during trading hours and end-of … of a unified, scalable trade platform. Ideal Candidate Profile 5–10 years of experience developing and supporting Order Management (OMS) and Execution Management Systems (EMS). Strong proficiency in C# or Python, with advanced SQL and database design expertise. Hands-on experience with AWS, Snowflake, and modern software architecture. Solid grasp of data structures, concurrency, and memory management. Experience developing More ❯

Lead C# Engineer – Core Trading Systems - Global Multi-Asset Investment Firm - London - Up to £500k TC Our client is a globally recognized, multi-asset investment firm managing over $25 billion in assets on behalf of a major philanthropic foundation and select institutional partners. Operating as both a family office and institutional-grade asset manager, the firm combines the long-term … teams to deliver user-centric, high-performance applications. Contribute to the modernization of legacy systems by migrating infrastructure to AWS and Snowflake, improving scalability and maintainability. Develop solutions using C#, Python, SQL Server, and cloud-native tools, alongside modern UI frameworks such as React or Angular. Provide ongoing production support for mission-critical systems during trading hours and end-of … of a unified, scalable trade platform. Ideal Candidate Profile 5–10 years of experience developing and supporting Order Management (OMS) and Execution Management Systems (EMS). Strong proficiency in C# or Python, with advanced SQL and database design expertise. Hands-on experience with AWS, Snowflake, and modern software architecture. Solid grasp of data structures, concurrency, and memory management. Experience developing More ❯

Lead C# Engineer – Core Trading Systems - Global Multi-Asset Investment Firm - London - Up to £500k TC Our client is a globally recognized, multi-asset investment firm managing over $25 billion in assets on behalf of a major philanthropic foundation and select institutional partners. Operating as both a family office and institutional-grade asset manager, the firm combines the long-term … teams to deliver user-centric, high-performance applications. Contribute to the modernization of legacy systems by migrating infrastructure to AWS and Snowflake, improving scalability and maintainability. Develop solutions using C#, Python, SQL Server, and cloud-native tools, alongside modern UI frameworks such as React or Angular. Provide ongoing production support for mission-critical systems during trading hours and end-of … of a unified, scalable trade platform. Ideal Candidate Profile 5–10 years of experience developing and supporting Order Management (OMS) and Execution Management Systems (EMS). Strong proficiency in C# or Python, with advanced SQL and database design expertise. Hands-on experience with AWS, Snowflake, and modern software architecture. Solid grasp of data structures, concurrency, and memory management. Experience developing More ❯

Lead C# Engineer – Core Trading Systems - Global Multi-Asset Investment Firm - London - Up to £500k TC Our client is a globally recognized, multi-asset investment firm managing over $25 billion in assets on behalf of a major philanthropic foundation and select institutional partners. Operating as both a family office and institutional-grade asset manager, the firm combines the long-term … teams to deliver user-centric, high-performance applications. Contribute to the modernization of legacy systems by migrating infrastructure to AWS and Snowflake, improving scalability and maintainability. Develop solutions using C#, Python, SQL Server, and cloud-native tools, alongside modern UI frameworks such as React or Angular. Provide ongoing production support for mission-critical systems during trading hours and end-of … of a unified, scalable trade platform. Ideal Candidate Profile 5–10 years of experience developing and supporting Order Management (OMS) and Execution Management Systems (EMS). Strong proficiency in C# or Python, with advanced SQL and database design expertise. Hands-on experience with AWS, Snowflake, and modern software architecture. Solid grasp of data structures, concurrency, and memory management. Experience developing More ❯

Lead C# Engineer – Core Trading Systems - Global Multi-Asset Investment Firm - London - Up to £500k TC Our client is a globally recognized, multi-asset investment firm managing over $25 billion in assets on behalf of a major philanthropic foundation and select institutional partners. Operating as both a family office and institutional-grade asset manager, the firm combines the long-term … teams to deliver user-centric, high-performance applications. Contribute to the modernization of legacy systems by migrating infrastructure to AWS and Snowflake, improving scalability and maintainability. Develop solutions using C#, Python, SQL Server, and cloud-native tools, alongside modern UI frameworks such as React or Angular. Provide ongoing production support for mission-critical systems during trading hours and end-of … of a unified, scalable trade platform. Ideal Candidate Profile 5–10 years of experience developing and supporting Order Management (OMS) and Execution Management Systems (EMS). Strong proficiency in C# or Python, with advanced SQL and database design expertise. Hands-on experience with AWS, Snowflake, and modern software architecture. Solid grasp of data structures, concurrency, and memory management. Experience developing More ❯

As a C# skilled Quant Developer , you'll work closely with portfolio managers, researchers, and data scientists to build and maintain the systems that drive our alpha-generating strategies. You’ll contribute to every part of the investment pipeline—from research tooling and data infrastructure to real-time trading systems. Key Responsibilities: Design, develop, and optimize high-performance trading tools … and data pipelines using C# and ideally Python Build research platforms that empower quantitative analysts and strategists Integrate and manage large, complex datasets from a variety of sources Collaborate with quants and PMs to implement and backtest trading models Ensure robustness and scalability in both real-time and batch environments What We’re Looking For: Strong programming experience with C# More ❯

As a C# skilled Quant Developer , you'll work closely with portfolio managers, researchers, and data scientists to build and maintain the systems that drive our alpha-generating strategies. You’ll contribute to every part of the investment pipeline—from research tooling and data infrastructure to real-time trading systems. Key Responsibilities: Design, develop, and optimize high-performance trading tools … and data pipelines using C# and ideally Python Build research platforms that empower quantitative analysts and strategists Integrate and manage large, complex datasets from a variety of sources Collaborate with quants and PMs to implement and backtest trading models Ensure robustness and scalability in both real-time and batch environments What We’re Looking For: Strong programming experience with C# More ❯

As a C# skilled Quant Developer , you'll work closely with portfolio managers, researchers, and data scientists to build and maintain the systems that drive our alpha-generating strategies. You’ll contribute to every part of the investment pipeline—from research tooling and data infrastructure to real-time trading systems. Key Responsibilities: Design, develop, and optimize high-performance trading tools … and data pipelines using C# and ideally Python Build research platforms that empower quantitative analysts and strategists Integrate and manage large, complex datasets from a variety of sources Collaborate with quants and PMs to implement and backtest trading models Ensure robustness and scalability in both real-time and batch environments What We’re Looking For: Strong programming experience with C# More ❯

As a C# skilled Quant Developer , you'll work closely with portfolio managers, researchers, and data scientists to build and maintain the systems that drive our alpha-generating strategies. You’ll contribute to every part of the investment pipeline—from research tooling and data infrastructure to real-time trading systems. Key Responsibilities: Design, develop, and optimize high-performance trading tools … and data pipelines using C# and ideally Python Build research platforms that empower quantitative analysts and strategists Integrate and manage large, complex datasets from a variety of sources Collaborate with quants and PMs to implement and backtest trading models Ensure robustness and scalability in both real-time and batch environments What We’re Looking For: Strong programming experience with C# More ❯

As a C# skilled Quant Developer , you'll work closely with portfolio managers, researchers, and data scientists to build and maintain the systems that drive our alpha-generating strategies. You’ll contribute to every part of the investment pipeline—from research tooling and data infrastructure to real-time trading systems. Key Responsibilities: Design, develop, and optimize high-performance trading tools … and data pipelines using C# and ideally Python Build research platforms that empower quantitative analysts and strategists Integrate and manage large, complex datasets from a variety of sources Collaborate with quants and PMs to implement and backtest trading models Ensure robustness and scalability in both real-time and batch environments What We’re Looking For: Strong programming experience with C# More ❯

Full Stack Software Developer - C#/Web/SQL - up to 45K plus benefits Location: Cowes, Isle of Wight We're looking for an experienced Full Stack Software Developer to join an experienced team, with strong skills in C#, web technologies (HTML5, CSS3, JavaScript/TypeScript), and SQL Server click apply for full job details More ❯

Senior C# Developer, .Net Core Software Engineer, C-Sharp, Programming Job, Blazor, ASP.Net Core, Visual Studio International Engineering Company, Oxford 50-75K - 4 days in the office. I may be biased, but this has to be one of the best C# Developer/Software Engineer jobs available in the UK today. Dont have time to read this advert, just More ❯

.NET Developer, C#, WPF - Asset Management - Manchester (Tech stack: .NET Developer, C#, WPF, Azure SQL, MVVM, Prism, TDD, Agile, Scrum, Kanban, Programmer, Engineer, Architect, .NET Developer) Founded in 1930, our client is a leading investment manager with offices in Europe, Asia and North America. They manage over £120 billion across all asset classes and employ over 2000 people around the … world. Working in tandem with Microsoft they are developing revolutionary .NET/C# software applications that have attracted much attention in the trade press. We are seeking two .NET Developer to work on these exciting Greenfield enterprise level .NET/C# projects. .NET Developer applicants should have strong knowledge of: .NET, C#, WPF and Azure SQL. This is a fantastic More ❯

.NET Developer, C#, WPF - Mobile Telecommunications - London (Tech stack: .NET Developer, .NET 9, C#, WPF, Azure SQL, MVVM, Prism, TDD, Agile, Programmer, Engineer, Architect, .NET Developer) Established in the early 1990s and listed on the London Stock Exchange our client is an instantly recognizable brand within the mobile telecommunications arena. They are widely recognized as innovators within the market and … their brand beyond mobile with the launch of several new products. As such they are looking to recruit 6 .NET Developer to help design and develop the .NET/C# software applications that will be the backbone of this exciting new generation of products and services. The ideal .NET Developer candidates will have a skill set that encompasses: .NET, C# … SQL, MVVM, Prism, continuous integration, dependency injection, TDD and Agile (Scrum/Kanban). This is a truly exciting opportunity to work on complex enterprise level, Greenfield .NET/C# projects and to develop revolutionary products that will be the envy of the industry. Location: London, UK/Remote Working Salary: £40,000 - £60,000 + Bonus + Pension + More ❯

.NET Developer, C#, WPF - Mobile Telecommunications - Manchester (Tech stack: .NET Developer, C#, WPF, Azure SQL, MVVM, Prism, TDD, Agile, Programmer, Engineer, Architect, .NET Developer) Established in the early 1990s and listed on the London Stock Exchange our client is an instantly recognizable brand within the mobile telecommunications arena. They are widely recognized as innovators within the market and were the … their brand beyond mobile with the launch of several new products. As such they are looking to recruit 6 .NET Developer to help design and develop the .NET/C# software applications that will be the backbone of this exciting new generation of products and services. The ideal .NET Developer candidates will have a skill set that encompasses: .NET, C# … MongoDB, MVVM, Prism, continuous integration, dependency injection, TDD and Agile (Scrum/Kanban). This is a truly exciting opportunity to work on complex enterprise level, Greenfield .NET/C# projects and to develop revolutionary products that will be the envy of the industry. Location: Manchester, UK/Remote Working Salary: £60,000 - £80,000 + Bonus + Pension + More ❯

.NET Developer, C#, WPF - Asset Management - London (Tech stack: .NET Developer, .NET 9, C#, WPF, Azure SQL, MVVM, Prism, TDD, Agile, Scrum, Kanban, Programmer, Engineer, Architect, .NET Developer) Founded in 1930, our client is a leading investment manager with offices in Europe, Asia and North America. They manage over £120 billion across all asset classes and employ over 2000 people … around the world. Working in tandem with Microsoft they are developing revolutionary .NET/C# software applications that have attracted much attention in the trade press. We are seeking two .NET Developer to work on these exciting Greenfield enterprise level .NET/C# projects. .NET Developer applicants should have strong knowledge of: .NET, C#, WPF and Azure SQL. This is More ❯

.NET Developer, C#, WPF - Mobile Telecommunications - Crawley, West Sussex (Tech stack: .NET Developer, .NET 9, C#, WPF, Azure SQL, MVVM, Prism, TDD, Agile, Programmer, Engineer, Architect, .NET Developer) Established in the early 1990s and listed on the London Stock Exchange our client is an instantly recognizable brand within the mobile telecommunications arena. They are widely recognized as innovators within the … their brand beyond mobile with the launch of several new products. As such they are looking to recruit 6 .NET Developer to help design and develop the .NET/C# software applications that will be the backbone of this exciting new generation of products and services. The ideal .NET Developer candidates will have a skill set that encompasses: .NET, C# … SQL, MVVM, Prism, continuous integration, dependency injection, TDD and Agile (Scrum/Kanban). This is a truly exciting opportunity to work on complex enterprise level, Greenfield .NET/C# projects and to develop revolutionary products that will be the envy of the industry. Location: Crawley, West Sussex, UK/Remote Working Salary: £65,000 - £75,000 + Bonus + More ❯

Senior Software Engineer Key Technologies: C#, .NET, React, AWS, Docker, Kubernetes City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team! This role provides the perfect opportunity to launch your career in a … Pension scheme. Hybrid working in Central London. Excellent salary base of up to £120,000 based on experience. Key skills, experience and qualifications required: Excellent knowledge and experience with C#, .NET and React.. Experience with cloud technology – specifically AWS. Knowledge of TDD/BDD. Excellent communication skills. Unrestricted right to work in the UK. This role offers hybrid working, with … an office location based in the City of London. This role will suit a Senior Software Engineer, with expert C#, .NET experience and commercial use of React having a direct impact from the get-go. Apply below and if you have any questions, please contact me via LinkedIn or email – ollie.bluck@harringtonstarr.com. More ❯

Senior Software Engineer Key Technologies: C#, .NET, React, AWS, Docker, Kubernetes City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team! This role provides the perfect opportunity to launch your career in a … Pension scheme. Hybrid working in Central London. Excellent salary base of up to £120,000 based on experience. Key skills, experience and qualifications required: Excellent knowledge and experience with C#, .NET and React.. Experience with cloud technology – specifically AWS. Knowledge of TDD/BDD. Excellent communication skills. Unrestricted right to work in the UK. This role offers hybrid working, with … an office location based in the City of London. This role will suit a Senior Software Engineer, with expert C#, .NET experience and commercial use of React having a direct impact from the get-go. Apply below and if you have any questions, please contact me via LinkedIn or email – ollie.bluck@harringtonstarr.com. More ❯

Senior Software Engineer Key Technologies: C#, .NET, React, AWS, Docker, Kubernetes City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team! This role provides the perfect opportunity to launch your career in a … Pension scheme. Hybrid working in Central London. Excellent salary base of up to £120,000 based on experience. Key skills, experience and qualifications required: Excellent knowledge and experience with C#, .NET and React.. Experience with cloud technology – specifically AWS. Knowledge of TDD/BDD. Excellent communication skills. Unrestricted right to work in the UK. This role offers hybrid working, with … an office location based in the City of London. This role will suit a Senior Software Engineer, with expert C#, .NET experience and commercial use of React having a direct impact from the get-go. Apply below and if you have any questions, please contact me via LinkedIn or email – ollie.bluck@harringtonstarr.com. More ❯

Senior Software Engineer Key Technologies: C#, .NET, React, AWS, Docker, Kubernetes City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team! This role provides the perfect opportunity to launch your career in a … Pension scheme. Hybrid working in Central London. Excellent salary base of up to £120,000 based on experience. Key skills, experience and qualifications required: Excellent knowledge and experience with C#, .NET and React.. Experience with cloud technology – specifically AWS. Knowledge of TDD/BDD. Excellent communication skills. Unrestricted right to work in the UK. This role offers hybrid working, with … an office location based in the City of London. This role will suit a Senior Software Engineer, with expert C#, .NET experience and commercial use of React having a direct impact from the get-go. Apply below and if you have any questions, please contact me via LinkedIn or email – ollie.bluck@harringtonstarr.com. More ❯

Senior Software Engineer Key Technologies: C#, .NET, React, AWS, Docker, Kubernetes City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team! This role provides the perfect opportunity to launch your career in a … Pension scheme. Hybrid working in Central London. Excellent salary base of up to £120,000 based on experience. Key skills, experience and qualifications required: Excellent knowledge and experience with C#, .NET and React.. Experience with cloud technology – specifically AWS. Knowledge of TDD/BDD. Excellent communication skills. Unrestricted right to work in the UK. This role offers hybrid working, with … an office location based in the City of London. This role will suit a Senior Software Engineer, with expert C#, .NET experience and commercial use of React having a direct impact from the get-go. Apply below and if you have any questions, please contact me via LinkedIn or email – ollie.bluck@harringtonstarr.com. More ❯

Senior DevOps Engineer – FinTech - Azure, Kubernetes, Terraform, CI/CD, C# Oliver Bernard are currently seeking a Senior DevOps Engineer to join a well-established team for a FinTech client of ours based in Newcastle. This hire is part of a period of transformation across the business focused around expanding their nationwide product and instilling a strong DevOps culture whilst … Kubernetes Strong hands-on experience with Terraform for IaC Wealth of work across CI/CD, Monitoring, and Automation Software Development background, capable coding day to day (ideally with C#, but other OO languages will be considered) Any applications must also have a First Class Degree from a Russell Group University (and AAA average at A-Level) This is an … site opening, based in Newcastle 5 days p/week, and can offer £80-130K dependant on experience. Senior DevOps Engineer – FinTech - Azure, Kubernetes, Terraform, CI/CD, C# More ❯

Software Developer – Windows, C#, SQL GCP | Hybrid – West Midlands Innovative Tech | Career Progression | Modernisation Projects Are you a skilled C# developer looking to be part of something bigger—where your work has real impact and your voice drives innovation? This is your chance to join a global, tech-forward organisation that’s transforming its legacy systems into a modern, service … a collaborative team that lives and breathes quality software development, driven by best practices and a passion for building resilient, high-performing systems. Tech You'll Work With Core : C#/.NET Framework transitioning to .NET Core UI : WPF (Windows Presentation Foundation) Database : MS SQL Server, T-SQL Environment : Windows-based desktop applications Coming Soon : Microservices, Go, Cloud technologies What … You’ll Need Strong experience with C# and .NET Proficiency with WPF for building responsive, modern UI applications Solid understanding of Windows environments and Office integrations Confident with MS SQL Server and T-SQL Excellent communicator who thrives in a team setting Bonus: Experience working on high-availability , multi-user , n-tier distributed systems Hybrid Working Based in the West More ❯

Senior C++ Software Engineer will join a team developing new components that are integrated into a microservices architecture. Proven experience programming C++ on Windows is sought. Any knowledge of C# would be advantageous but is not a prerequisite. Extensive Windows development experience is essential. Key experience C++ Multithreading Windows programming MS Visual Studio Unit testing Any experience in the following … areas would be advantageous for any application Microservices architecture Reverse engineering in Windows Windows kernel development WinAPI COM/ATL/WTL SQL CI/CD C# Agile Algorithm development If you are looking for a role of this nature please get in touch for more information. Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation More ❯