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C++ Developer United Kingdom, London Jobs

16 Job Offers

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Senior C# / .NET Developer
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Senior C# / .NET Developer sought by a leading global financial services firm for a business-critical role in London. You will design and build high-performance platforms for Securities Lending and Repo workflows, leveraging deep expertise in C#, .NET Core, REST APIs, and SQL Server. Ideal candid...
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United Kingdom , London
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550.00 - 585.00 GBP / Day
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Randstad
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Junior C# Quantitative Developer
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Join a leading London hedge fund as a Junior C# Quantitative Developer. You will build high-performance trading systems, implement pricing models, and optimize data pipelines alongside top quants and traders. Requires strong C# / .NET skills, a quantitative degree, and analytical mindset. Benefit...
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United Kingdom , London
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75000.00 GBP / Year
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Hunter Bond
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C# Developer - Equity Derivatives Technology Risk (AVP)
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Join a top-tier financial team as a C# Developer in London, focusing on Equity Derivatives Technology Risk. You'll leverage strong .NET skills, performance optimization, and unit testing expertise to build high-volume, low-latency trading systems. Experience with Python, Kafka, and CI/CD tools is...
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United Kingdom , London
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Not provided
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Citi
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C# Developer - Equity Derivatives Technology Risk (AVP)
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Join Citi as a C# Developer in London, driving Equity Derivatives Technology Risk. Leverage strong .NET skills, low-latency financial systems expertise, and CI/CD tools to engineer next-gen trading platforms. Enjoy 27 days leave, bonus, private medical care, and hybrid work. Shape global finance ...
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United Kingdom , London
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Not provided
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Citi
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C#.Net Developer
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Join a global investment management firm in Central London as a C# .NET Developer. You will build high-availability, real-time asset tracking platforms integrating Bloomberg and market data feeds. This role demands strong C# and Azure skills, advanced SQL, and the ability to own delivery end-to-e...
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United Kingdom , London
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55000.00 - 65000.00 GBP / Year
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Boston Hale
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C#.Net Developer
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Join a top-tier investment management firm in Central London as a C# .NET Developer. You’ll build real-time asset tracking platforms and high-availability distributed systems, integrating data from Bloomberg and Refinitiv. Strong C#, Azure, and advanced SQL skills are essential, along with excell...
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United Kingdom , London
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55000.00 - 75000.00 GBP / Year
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Boston Hale
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C#.Net Developer
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Join a global investment management firm in Central London as a C# .NET Developer. You’ll build real-time asset tracking platforms and high-availability distributed systems, integrating Bloomberg and market data feeds. Strong C#, SQL, and Azure skills are essential, with direct stakeholder engage...
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United Kingdom , London
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55000.00 - 70000.00 GBP / Year
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Boston Hale
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Senior C# Developer
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Senior C# Developer sought by a top London financial institution for a contract role. You will build scalable, high-performance applications using the .NET ecosystem and modern architecture. Key requirements include extensive C# expertise, Agile experience, and familiarity with cloud platforms an...
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United Kingdom , London
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Not provided
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Hunter Bond
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C# Pricing Developer
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Join Barclays as a C# Pricing Developer in London, building and maintaining a cutting-edge options pricing engine for front office traders. You’ll leverage deep C# and .NET expertise, alongside DevOps tools, to deliver high-performance derivatives pricing solutions. Ideal candidates bring experie...
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United Kingdom , London
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Barclays
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C# Developer
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Join a London-based project as a C# Developer for an initial 6-month contract. This hybrid role requires strong .NET Core and AWS expertise to build scalable backend systems and APIs. You will design robust solutions within distributed architectures, optimizing database performance. Apply your sk...
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United Kingdom , London
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RED Commerce - The Global SAP Solutions Provider
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C# Developer
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Join our London team as a C# Developer Intern in Financial Services. Work directly with traders and risk analysts on key front-office systems like Murex. This role requires strong C# and SQL skills, offering rapid exposure to FX products within an agile framework. Ideal for recent graduates eager...
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United Kingdom , London
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Crédit Agricole
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C# Developer
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Join an elite London fintech firm as a C# Developer. Work on high-performance, greenfield projects using cutting-edge technology and the latest C# frameworks. Enjoy a great culture, unlimited tech budget, and a competitive package with bonus.
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United Kingdom , London
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100000.00 GBP / Year
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Hunter Bond
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C#.Net Developer
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United Kingdom , London
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55000.00 - 65000.00 GBP / Year
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Boston Hale
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C# .Net Developer
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Join a global financial services leader in London as a C# .NET Developer. You will build and maintain robust enterprise applications using C#, SQL Server, and Oracle. This hands-on role involves full lifecycle development, from design to production support across multiple environments. Collaborat...
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United Kingdom , London
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Harrington Starr
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C# Developer
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Join Barclays in London as a C# Developer. You will design and support low-latency pricing platforms for front-office trading teams. The role requires .NET 8, Kubernetes, and GitLab expertise. We offer private medical care, pension contributions, and a competitive holiday allowance.
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United Kingdom , London
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Barclays
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Senior C# Developer
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Lead the development of low-latency trading platforms at Barclays in London. Utilize your expertise in .Net 8 and Kubernetes to build high-performance, scalable systems. Collaborate directly with quant teams and traders. Enjoy top benefits including private medical care and a competitive pension.
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United Kingdom , London
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Barclays
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About the C++ Developer role

Explore the dynamic world of C# Developer jobs and discover a career at the heart of modern software innovation. A C# Developer is a specialized software engineer who leverages the powerful and versatile C# programming language, primarily within the .NET ecosystem, to build robust, scalable, and efficient applications. These professionals are the architects behind a vast array of software solutions, from complex enterprise-level backend systems and data-driven web services to interactive desktop applications and, increasingly, components of mobile and cloud-native applications. The demand for skilled C# Developers remains consistently high across numerous industries, including finance, healthcare, e-commerce, and gaming, making it a stable and rewarding career path.

In a typical role, a C# Developer's responsibilities are comprehensive and central to the software development lifecycle. They are tasked with designing, coding, testing, and debugging new software applications. A significant part of their work also involves maintaining and enhancing existing systems, identifying areas for optimization, and implementing necessary updates to improve performance and security. Collaboration is key; these developers frequently work within cross-functional teams, partnering with project managers, UX/UI designers, and other engineers to gather requirements, analyze needs, and translate them into functional technical specifications. They are often responsible for writing clean, maintainable code and participating in code reviews to ensure adherence to established standards and best practices. Furthermore, creating and maintaining technical documentation for system designs and user manuals is a common duty, ensuring knowledge transfer and long-term project sustainability.

To succeed in C# Developer jobs, a specific set of technical skills and foundational knowledge is essential. Core proficiency in the C# language and a deep understanding of the .NET Framework and/or the cross-platform .NET are non-negotiable. A strong grasp of object-oriented programming (OOP) principles is fundamental. Beyond C#, familiarity with front-end technologies like HTML, CSS, and JavaScript is often required for full-stack or web-focused roles. Database skills are crucial, with experience in SQL Server or other relational database management systems being highly common for designing and querying databases. Practical knowledge of version control systems, particularly Git, and experience with Agile development methodologies are standard expectations in the industry. From a soft skills perspective, excellent problem-solving abilities, analytical thinking, and effective communication and collaboration skills are vital for navigating complex projects and team dynamics. While a bachelor's degree in Computer Science or a related field is often preferred, substantial relevant experience and a proven track record can be equally valuable for securing top C# Developer jobs. This profession offers a challenging yet fulfilling opportunity to create the digital tools and platforms that power businesses and shape user experiences.