251 to 275 of 382 C# Jobs in London

💻 C#.NET Core Backend Engineer | 💳 Greenfield Payments Platform | £130,000 + Bonus + Benefits | Hybrid (London) 🚀 Join a brand-new Payments Engineering team within a leading financial group as they build a modern, event-driven payments ...

C# Developer | Remote | Outside IR35 A client is seeking an experienced C# Developer to join their development team and support a key internal initiative. In this role, you'll also play a major part in configuring, enhancing, and integrating Microsoft Dynamics 365 within the business. As a Software Developer … collaborate closely with senior stakeholders to deliver clean, efficient, and reliable code that underpins critical business applications. Responsibilities: Produce well-structured and clearly documented C#/.NET code. Configure, customise, and maintain Microsoft Dynamics 365. Build and support integrations across Dynamics 365 and other systems. Develop plugins, workflows, and bespoke ...

Senior C# Developer/Engineer (C# .Net Core) London/WFH to £85k Are you a skilled C# Developer looking to progress your career in a senior, hands-on role? You could be at a successful and scaling Retail FX Brokerage working on Greenfield systems. As a Senior C# Developer ...

Backend Software Engineer/Developer (C# .Net) London onsite to £150k Are you an experienced C#, backend focussed Software Engineer? You could be progressing your career in a senior, hands-on role at a global Sports Tarding business, earning substantial bonuses. As a Backend Software Engineer within the trading engine … React.js. Location: You'll be based in plush City office on a fulltime basis, Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge ...

.NET C# Contractor – Commodities Trading Systems Contract Length: 12 Months IR35 Status: Inside IR35 Location: London, UK Rate: £650 (Inside IR35) Essential: Experience in interviewing and building out a team. VISA - NO SPONSORSHIP AVAILABLE Overview We are seeking an experienced .NET C# Contractor to join a major technology initiative within … hands-on engineer with strong technical depth and proven experience working directly within commodities trading environments. Key Responsibilities Develop, enhance, and maintain .NET/C# applications supporting trading, risk, and operational workflows Work on system integrations across front-office trading platforms, risk systems, and operational tools Collaborate with architects, product ...

.NET C# Contractor – Commodities Trading Systems Contract Length: 12 Months IR35 Status: Inside IR35 Location: London, UK Rate: £650 (Inside IR35) Essential : Experience in interviewing and building out a team. VISA - NO SPONSORSHIP AVAILABLE Overview We are seeking an experienced .NET C# Contractor to join a major technology initiative within … hands-on engineer with strong technical depth and proven experience working directly within commodities trading environments. Key Responsibilities Develop, enhance, and maintain .NET/C# applications supporting trading, risk, and operational workflows Work on system integrations across front-office trading platforms, risk systems, and operational tools Collaborate with architects, product ...

.NET Developer, .NET 10.0, C# 14 - Global Record Label - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Programmer, Full Stack Engineer, Architect, .NET Developer) We are pleased to announce that our client … offices in the heart of London's West End. You will be working on the development of high-availability and highly-transactional .NET/C# applications which will be critical to the launch of their new online music shopping channel. We are seeking .NET Developer candidates with a skill ...

.NET Developer, .NET 10.0, C# 14 - Computer Gaming Company - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Programmer, Full Stack Engineer, Architect, .NET Developer) Having sold over 100 million games consoles and over … opportunity to work on the full project life cycle. .NET Developer applicants should have a skill set that encompasses: .NET, .NET Core, C# and Azure SQL. Our client can provide with exposure to: .NET 10.0, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core ...

industry standards and organisational policies. Contribute to the continuous improvement of the Technology department's processes. Profile Must haves: Strong automation background Selenium and C# Integration and API testing Mobile and Web testing Job Offer 28 days plus BHs 21 days paid volunteer leave Buy/Sell 5 days Double ...

industry standards and organisational policies. Contribute to the continuous improvement of the Technology department's processes. Profile Must haves: Strong automation background Selenium and C# Integration and API testing Mobile and Web testing Job Offer 28 days plus BHs 21 days paid volunteer leave Buy/Sell 5 days Double ...

enabling frequent and efficient testing and re-testing. What You Need: Hands-on experience with automation tools such as Playwright, Selenium and SpecFlow using C# . *****ESSENTIAL***** Strong understanding of structured test methods and processes. Significant experience in manual and automated testing. ISTQB Foundation certificate (or equivalent). Experience testing ...

enabling frequent and efficient testing and re-testing. What You Need: Hands-on experience with automation tools such as Playwright, Selenium and SpecFlow using C# . *****ESSENTIAL***** Strong understanding of structured test methods and processes. Significant experience in manual and automated testing. ISTQB Foundation certificate (or equivalent). Experience testing ...

Skillset Essential Substantial experience of managing software-intensive, complex real-time systems (including Operating Systems, middleware, application level), Languages used in project Ada, C++, C# Ability to operate in a large, complex project at engineering management level in a multi-disciplinary, potentially matrix management environment. Knowledge and experience ...

Senior Full Stack Developer | C# & React | Greenfield Trading Platform | London, Hybrid | Up to £120k + Bonus, Benefits ❗ Note: This role does not provide Visa Sponsorship ❗ 💹 Our client is looking for a Senior Full Stack Developer with strong expertise in C# to join them in shaping the future of financial technology … West End) Key Responsibilities Design, develop, and maintain scalable applications within the trading ecosystem. Work across the full stack , with a primary focus on C# back-end development . Ensure performance, maintainability, and testability of all solutions. Work closely with business users to understand requirements and deliver high-impact solutions. ...

.NET Developer - Fastest-Growing Internet Co Ever - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is changing the way merchants and consumers connect with … .NET Developer to work on the development of complex Greenfield software applications. .NET Developer applicants should have detailed knowledge of: .NET, .NET Core, C# and Azure SQL. Our client can provide you with training into: .NET 10.0, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core ...

.NET Developer - Fastest-Growing Internet Co Ever – London (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is changing the way merchants and consumers connect with … .NET Developer to work on the development of complex Greenfield software applications. .NET Developer applicants should have detailed knowledge of: .NET, .NET Core, C# and Azure SQL. Our client can provide you with training into: .NET 10.0, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core ...

will join a extremely talented development team and you will be exposed to creating and maintaining our client's own applications based around a C#/.NET/SQL Server/ASP.NET universe. Many projects are greenfield projects and allow you to make your own mark on the development process … experience within it.This is predominantly an office-based role. As well as very competitive salaries, our client offers a comprehensive benefits package. Skills required: C# Worked with the latest version of the .NET platform Database experience - SQL Server WPF Angular, TypeScript Excellent communication skills both written and verbalKnowledge of working ...

will join a extremely talented development team and you will be exposed to creating and maintaining our client's own applications based around a C#/.NET/SQL Server/ASP.NET universe. Many projects are greenfield projects and allow you to make your own mark on the development process … within it. This is predominantly an office-based role. As well as very competitive salaries, our client offers a comprehensive benefits package. Skills required: C# Worked with the latest version of the .NET platform Database experience - SQL Server WPF Angular, TypeScript Excellent communication skills both written and verbal Knowledge ...

.NET Architect - Social Messaging Platform - London (Tech stack: .NET Architect, .NET 10.0, ASP.NET Core, C# 14, Azure SQL, .NET MAUI, GitHub Copilot, Docker, Kubernetes, Microservices architecture, Angular 21, Vue.js, TypeScript, Programmer, Full Stack Engineer, Developer, .NET Architect) In 2012 our client launched a social messaging platform that has been taking … these new markets and help enhance this already successful company! Successful .NET Architect candidates should be able to demonstrate strong knowledge of: .NET 10.0, C# 14, Azure SQL, .NET MAUI, GitHub Copilot, Docker, Kubernetes, Microservices architecture, Angular 21, Vue.js, TypeScript, Azure, AWS, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban ...

impact . Key Responsibilities Lead technical strategy and oversee architecture for scalable, data-driven systems. Remain actively hands-on , designing and developing high-performance C#/.NET back-end systems . Mentor and guide a growing team of developers — setting technical standards and driving best practices. Oversee … Engineering Lead/CTO in data-heavy environments Demonstrable history of technical excellence and leadership in commercial software development Technical Expertise Advanced proficiency in C#/.NET Core/.NET Framework Strong command of Azure Cloud Services Deep experience with SQL Server and high-volume transactional systems Expertise in data ...

impact . Key Responsibilities Lead technical strategy and oversee architecture for scalable, data-driven systems. Remain actively hands-on , designing and developing high-performance C#/.NET back-end systems . Mentor and guide a growing team of developers — setting technical standards and driving best practices. Oversee … Engineering Lead/CTO in data-heavy environments Demonstrable history of technical excellence and leadership in commercial software development Technical Expertise Advanced proficiency in C#/.NET Core/.NET Framework Strong command of Azure Cloud Services Deep experience with SQL Server and high-volume transactional systems Expertise in data ...

C# .Net Developer - 3 months+ - Hybrid - Rate circa £500-£650 We are looking for an experienced C# .Net Developer with experience of GenAI to join a team developing cutting edge AI solutions who will either have current and active SC clearance or have the ability to be able to obtain … experts. You will work on projects developing GenAI capabilities and provide guidance to non-technical people. What you will bring to the team Solid C# .Net experience Fine-tune Large Language Models (LLMs) and other generative architectures. Optimise pre-trained models (OpenAI, Anthropic, or open-source LLMs) for business ...

.NET Developer, C# 14, WPF - London (Tech stack: .NET Developer, .NET 10.0, C# 14, WPF, Azure SQL, MVVM, Prism, TDD, Agile, Programmer, Engineer, Architect, .NET Developer) In just over three years our client's community has grown to over 150 million people. They enable their users to share photos … product that will have a dramatic impact on the company's growth. .NET Developer applicants should have a skill set that includes: .NET, C#, WPF and SQL Server. Our client will give you the opportunity to work on enterprise level software development projects and provide training into: .NET 10.0, C# ...

C# skilled Software Engineer/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 ...

C# skilled Software Engineer/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 ...