1 to 25 of 123 C# Developer Jobs in London

Role – C# Full-Stack Developer London based – 3 days office Salary £85k - £100k My client is a family run financial investment company that have been assisting the investment of their client’s capital for over 30 years, managing portfolios. As a business their purpose is to grow and protect not only client’s capital but also their … SQL, and moving old API’s to a newer web stack whilst working across all areas of the business internally and across a range of projects with stakeholders. Experience: C# .NET, Strong development in .NET, C# and LINQ, Experience of developing web services/RESTful APIs using ASP.NET, WinForms desirable, Source Control (Git) Miscellaneous Experience with RabbitMQ (or More ❯

Senior Technical Java and C# .net Software Developer We are currently recruiting a Java with C# .net Senior Software Developer – who can be the lead in the team. You must have at least 5 to 7 years proven track record of developing software with Java and C# .net framework coupled with SQL Server. … risk identification and risk mitigation tactics associated with the designs. Role-specific knowledge: · 5+ years of senior technical lead. · 5+ years of strong hands-on experience as a developer working on JAVA or .NET Framework standards and technologies - C#.NET, ASP.NET, AngularJS, SQLServer, Web Services, Cloud Platforms, AJAX, JQUERY, XML/JSON, HTML, CSS · Retail/digital technology experience More ❯

Senior C# Developer/Engineer (C# .Net Core React) London/WFH to £80k Are you a skilled C# Developer looking to work on complex and interesting systems with continual learning and self development opportunities You could be progressing your career at in a senior, hands-on role at a successful and scaling … Retail FX Brokerage working on Greenfield systems. As a Senior C# Developer you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React deployed to Azure. You'll focus on C# .Net backend development within an AWS environment, but also … scratch. Location/WFH: You'll join colleagues in the London office Monday to Wednesday with flexibility to work from home Thursday and Friday. About you: You have strong C# .Net Core backend development experience You have a good knowledge of microservices and Cloud (AWS or Azure) experience, ideally you'll have some experience with Docker/Kubernetes, EKS More ❯

and is happy with 99% remote working. To be considered for this position, you will be a highly experienced MS full-stack .Net software developer. Skills will include Azure, C#, ASP.Net, .Net Core, MVC, SQL Server, SSRS, SSIS, PostgreSQL, Entity Framework, HTML, CSS, JavaScript, JQuery, and either Angular, React or Node (or similar). The successful candidate will have … client is offering a salary of circa £60,000 and the chance to work on exciting customer-driven projects using the latest development stack. If you are an experienced C# ASP.Net Full Stack Software Developer and you are looking for a new challenge, please send me your CV immediately More ❯

Job Description: Employer: DWS Group Title: Senior C# Developer (Full Stack) Location: London About DWS: Today, markets face a whole new set of pressures – but also a whole lot of opportunity too. Opportunity to innovate differently. Opportunity to invest responsibly. And opportunity to make change. Join us at DWS, and you can be part of an industry … of the full spectrum of passive investment capabilities, Passive Asset Management has over Euro 200bnof assets under management for our clients in passive portfolios. Role Details: As a Senior C# Developer you will (be): Supporting the development of the .NET based technology platform, serving the investment function. Designing and developing software solutions aligning with architecture, risk and … stacks is key over a specialism in a particular ecosystem who can work in the dynamic environment that comes with a front office role. Strong programming skills in .NET (C#) is essential, VBA/Python knowledge is valuable, additional languages such as Java would be beneficial. Strong understanding of relational databases (MS Sql/Oracle). Experience in frontend More ❯

/50 between back and front end design. This role is primarily home-based and may occasionally require out-of-hours support. Key Responsibilities Design and develop applications using C#, .NET Core, and React. Follow and help define software development standards and best practices. Work with test-driven development, automated testing, and CI/CD pipelines. Support ongoing operations … contribute to various development projects. Collaborate with third-party software providers throughout the development lifecycle. Provide technical guidance and mentorship to less experienced developers. Required Skills Strong experience with C#, .NET Core, Azure, and test automation. Proficiency in JavaScript and a modern front-end framework (React preferred). Familiarity with microservices, containerisation, and site reliability engineering. Solid understanding of More ❯

/50 between back and front end design. This role is primarily home-based and may occasionally require out-of-hours support. Key Responsibilities Design and develop applications using C#, .NET Core, and React. Follow and help define software development standards and best practices. Work with test-driven development, automated testing, and CI/CD pipelines. Support ongoing operations … contribute to various development projects. Collaborate with third-party software providers throughout the development lifecycle. Provide technical guidance and mentorship to less experienced developers. Required Skills Strong experience with C#, .NET Core, Azure, and test automation. Proficiency in JavaScript and a modern front-end framework (React preferred). Familiarity with microservices, containerization, and site reliability engineering. Solid understanding of More ❯

Full Stack Software Developer, C# .NET, Remote, £425 day rate, Outside IR35, COR7283 We’ve looking for an experienced Full Stack Software Developer for a contract role available immediately, lasting until November. This role is fully remote and outside IR35, offering a day rate of up to £425. Candidates must live and be eligible to … work in the UK. As a Full Stack Software Developer, you will be responsible for developing and maintaining software solutions using C# and .NET Core, ensuring high-quality code and adherence to best practices. What’s required of the Full Stack Software Developer? Proven experience developing full stack applications with C# and .NET Core … user interface design What Next? If you’re an experienced Full Stack Software Developer available immediately, apply today to learn more! Full Stack Software Developer, C# .NET, Remote, £425 day rate, Outside IR35, COR7283 Corriculo Ltd acts as an employment agency and an employment business. #AS More ❯

Senior C# Developer/Software Engineer (C# .Net AWS Python) London/WFH to £100k Would you like to join a growing and profitable start-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and progression? As a Senior C# Developer … from home three days a week. About you: You are an experienced Software Developer/Engineer with a strong knowledge of modern best practice You have strong C# backend development skills, ideally also Python coding skills You have a good knowledge of AWS You have experience of working on highly scalable systems You have a strong knowledge … and problem solving skills alongside organisation and planning abilities You have business acumen and advanced communication/stakeholder management skills What's in it for you: As a Senior C# Developer/Software Engineer you will earn a competitive package including: Salary to £100k Bonus (c20%) Pension (5% employer contribution) 25 days holiday (increasing to 27 after More ❯

together. If you want to advance the world of fintech, we’d like to ask you: Are you FIS? About the role: We are looking for an experienced Senior C# .NET Developer to help grow and enhance our PTP software platform. The candidate will work on strategic enhancements to the platform as well as on client implementation … Platform is a leading-edge, cloud-based Securities Processing solution that provides trade lifecycle processing for a wide range of global financial institutions. About the team: As a Senior C# .NET Developer, you’ll be part of our PTP Platform development group. The group is broken into smaller scrum teams that each hold responsibility for a key … of system functionality. You’ll become involved with all phases of the development lifecycle and take ownership of key functional areas. What you will be doing: As a Senior C# .NET Developer, you will be involved in: Analysis of user requirements and translation into solution design using the most appropriate technique for the job (including mockups and More ❯

Software Developer with Full Stack C# and SQL Server Our Client is an international company in the media industry. They are looking to recruit an additional Software Engineer/Developer with full stack software development experience. Must have at least 2 to 4 years of hands-on software development covering both front and backend development. … storage, security, artificial intelligence, natural language processing, UI design and mobile would be very useful. The Client would like to see experience of the following skills: Languages: HTML5, CSS3, C#, Javascript ( is not main focus but knowledge is good) Frameworks: ASP.Net 4-6, MVC, Ajax, JQuery, HTML, Bootstrap and Knockout (required), Angular (optional) DB's: Ms Sql Server … and photobooks in the best layout order Continuous optimization and debugging when adjustments are made to our webstores Design and implementation of next-generation web applications using Java and C# that can handle web-scale volumes of traffic Summary Do you have at least 2 years full stack development experience with a focus on front end development? Have you 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 level, your role will … of engineers 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 ❯

s or Master's degree in Computer Science, Engineering, Mathematics, or a related field Experience Extensive Programming Experience: Minimum of 6 years of professional experience, with the majority in C# or Java, particularly in high-performance and real-time environments. FIX Protocol & OMS Expertise: Proven background in implementing and supporting FIX-based connectivity and OMS integrations, including message routing … Microscope Control London, England, United Kingdom 1 day ago Senior Lead eSoftware Engineer - Equities Algo Trading - Java - VP London, England, United Kingdom 8 hours ago Senior Java Analyst Developer/Technical Consultant London, England, United Kingdom 1 week ago London, England, United Kingdom 2 weeks ago London, England, United Kingdom 2 weeks ago Engineering Lead (Product Lifecycle - Purchasing … months ago Lead Software Engineer - EU Natural Gas & Power Senior Software Engineer (C++), Endpoint Client London, England, United Kingdom 4 days ago Senior Supply Chain Applications Builder/Developer London, England, United Kingdom 2 days ago Principal Cross -Team Software Engineering Lead London, England, United Kingdom 1 week ago Senior C++ Engineer (Mandarin Speaker) - London/Remote from More ❯

Social network you want to login/join with: Senior C# Developer/Engineer (C# .Net Core React) London/WFH to £80k Are you a skilled C# Developer looking to work on complex and interesting systems with continual learning and self development opportunities? You could be progressing your career at in a … senior, hands-on role at a successful and scaling Retail FX Brokerage working on Greenfield systems. As a Senior C# Developer you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React deployed to Azure. You'll focus on C# … scratch. Location/WFH: You'll join colleagues in the London office Monday to Wednesday with flexibility to work from home Thursday and Friday. About you: You have strong C# .Net Core backend development experience You have a good knowledge of microservices and Cloud (AWS or Azure) experience, ideally you'll have some experience with Docker/Kubernetes, EKS More ❯

Senior C# Developer/Software Engineer (C# .Net AWS Python) London/WFH to £100k Would you like to join a growing and profitable start-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and progression? As a Senior C# Developer … from home three days a week. About you: You are an experienced Software Developer/Engineer with a strong knowledge of modern best practice You have strong C# backend development skills, ideally also Python coding skills You have a good knowledge of AWS You have experience of working on highly scalable systems You have a strong knowledge … and problem solving skills alongside organisation and planning abilities You have business acumen and advanced communication/stakeholder management skills What's in it for you: As a Senior C# Developer/Software Engineer you will earn a competitive package including: Salary to £100k Bonus (c20%) Pension (5% employer contribution) 25 days holiday (increasing to 27 after More ❯

Senior Backend Software Engineer (C# .NET Core) - Revolutionise Healthcare with REST API Design! Are you ready to make a monumental impact in the healthcare industry? We're looking for a Senior/Lead Backend Software Engineer with a strong focus on REST API design to join our forward-thinking team. Reporting directly to the Vice President of Software Development … this is a hands-on leadership position. Role: Senior Backend Software Engineer (C# .NET Core) Location: Fully Remote (UK) Salary: Up to £90,000 + Excellent Benefits + Share Options Reporting To: Vice President of Software Development Your Mission: Collaborate with a cross-functional team of Frontend Developers, QA Engineers, and DevOps Engineers to design secure, scalable REST API … REST API design. You will also develop relational database schemas and work within a containerized microservice platform. Key Responsibilities: REST API Design & Implementation: Develop and maintain REST APIs using C# and .NET Core SDK. Database Mastery: Design relational database schemas, utilize Entity Framework (ORM), manage database migrations, and work with PostgreSQL. Microservices: Containerize microservices using Docker. Collaboration: Partner with More ❯

Social network you want to login/join with: col-narrow-left Client: S.i. Systems Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 949f7fad5f6f Job Views: 4 Posted: 29.06.2025 Expiry Date More ❯

Social network you want to login/join with: Senior C# Developer.Net AWS - FinTech, London col-narrow-left Client: Client Server Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: Job Views: 5 Posted: 27.06.2025 Expiry Date: 11.08.2025 col-wide Job Description: Senior C# Developer/Software Engineer … C# .Net AWS Python) London/WFH to £100k Would you like to join a growing and profitable start-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and progression? As a Senior C# Developer you will architect and build highly performant and … from home three days a week. About you: You are an experienced Software Developer/Engineer with a strong knowledge of modern best practice You have strong C# backend development skills, ideally also Python coding skills You have a good knowledge of AWS You have experience of working on highly scalable systems You have a strong knowledge More ❯

Summary: A growing quant/systematic-focussed prop trading firm is looking for a C#/.net GUI developer to join their London-based, agile engineering team. The successful GUI developer will be working alongside incredibly bright and intelligent software engineers and quant researchers, in a London-based, small front office team with a focus … on technology and engineering. The team itself has a flat hierarchy, zero red tape and a non-corporate or bureaucratic environment. Requirements: BSc in Computer Science, Maths, or Physics C# development experience - C#/asp.net and HTML5/Javascript/CSS London-based (visa sponsorship offered if required) Benefits: Competitive salary, pension, health care and hedge fund style … bonus Commercial experience within a technology driven, quant trading firm in London Highly intelligent engineering team in a low red-tape, agile environment Contact If you're interested in C#/GUI development roles in London, please get in touch! Rosie Griggs rosie.griggs@oxfordknight.co.uk linkedin.com/in/rosie-oxfordknight #J-18808-Ljbffr More ❯

Summary: A boutique prop trading firm with a strong focus on high quality technology and systematic and quant trading models are looking for a Senior C# Developer to join their small, agile, London-based team. With zero red tape or bureaucracy often associated with bigger buy-side firms and investment banks, this London-based team of engineers … researchers, modellers and traders know how to get things done in a cutting-edge market. Working next to the business, the successful C# Developer will be working with vast, complex data sets, and will be building algorithmic trading models and infrastructure in C#/.NET Core and SQL, directly with London-based quants and traders. Requirement … s: Degree-level education in STEM subject, preference for Computer Science Strong programming experience in C# and SQL Experience with vast data sets with SQL (or equivalent) Experience in multi-threaded environments and networking (TCP/UDP) desired but not essential Benefits: Market-leading compensation including competitive annual bonus in London Greenfield projects available with opportunities to take technical More ❯

Years of relevant experience 3+ years Education Level Bachelor's Degree About the Job Our Client is looking to recruit a C# .net Software Developer with SQL skills. The Client produces information for the Oil and Gas industry and you will be involved in helping their clients and team visualise and interact with the company’s research … data. Required Skills ·.net 4, c# , asp.net ·MS SQL (Working with and developing relational databases in SQL) ·Stored procedures, Functions, SSIS ·HTML,CSS ·Web Services ·Java script ·Jquery, AJAX, XML Desirable Skills ·GIS ·Business Intelligent Tools eg. Logi, Tablae This is a full time position where our Client is seeking someone with about 3 to 5 years’ experience with … C# Dot Net with MS SQL Server software development. You will be involved in developing a reporting tool for clients to be able to login to and turn a query into a visual and interactive representation of the results. C# Dot Net development. Support modelling and forecasting processes work with the consulting and management teams to understand what More ❯

Senior C# Developer/Software Engineer (Windows Desktop Trading Systems) London to £140k Are you a Senior C# Developer with strong Windows desktop development skills combined with banking/financial services experience? You could be progressing your career at a Hedge Fund with over $10 billion under management. As a Senior C# Developer … support trading, operations, finance, compliance and investor relations, optimising system performance to ensure efficient real-time data processing, reporting and automation of operational workflows. You'll focus on building C#, WinForms, WPF desktop applications and design and implementation of scalable, service orientated architectures (SOA) but will also gain exposure to web applications using React and/or Angular. This … flexibility to work from home once a week; there's a friendly and collaborative environment with casual dress code and a range of facilities. About you: You have strong C# desktop development experience on Windows within a banking or financial services environment You have a strong knowledge of SQL databases You have a good understanding of asset classes e.g. More ❯

Senior C# Developer/Software Engineer (Windows Desktop Trading Systems) London to £140k Are you a Senior C# Developer with strong Windows desktop development skills combined with banking/financial services experience? You could be progressing your career at a Hedge Fund with over $10 billion under management. As a Senior C# Developer … support trading, operations, finance, compliance and investor relations, optimising system performance to ensure efficient real-time data processing, reporting and automation of operational workflows. You'll focus on building C#, WinForms, WPF desktop applications and design and implementation of scalable, service orientated architectures (SOA) but will also gain exposure to web applications using React and/or Angular. This … flexibility to work from home once a week; there's a friendly and collaborative environment with casual dress code and a range of facilities. About you: You have strong C# desktop development experience on Windows within a banking or financial services environment You have a strong knowledge of SQL databases You have a good understanding of asset classes e.g. More ❯

.Net Developer/Software Engineer (C# TypeScript) London/WFH to £85k Would like to progress your career as a .Net Developer, working on a modern, web based, tech stack with continual learning and development opportunities as part of a diverse team? You could be joining a global FinTech consistently voted as a Top … you'll collaborate to design and develop new features and enhancements to the company's flagship web based trading product. You'll focus on backend systems using C# and TypeScript but will also have exposure to front end components in Angular and React within a TDD environment. Location/WFH: You can work from home most of … you can you enjoy a range of facilities including large kitchen, café, roof top bar, showers and all the latest kit to work on. About you: You have backend C# .Net, ASP.Net MCV application development skills You also have experience with TypeScript, Angular or React You have a good understanding of Docker for Containerisation You have a good knowledge More ❯

permit required: Yes col-narrow-right Job Reference: 0e6bcab2a643 Job Views: 4 Posted: 25.06.2025 Expiry Date: 09.08.2025 col-wide Job Description: .Net Developer/Software Engineer (C# TypeScript) London/WFH to £85k Would like to progress your career as a .Net Developer, working on a modern, web based, tech stack with continual learning … you'll collaborate to design and develop new features and enhancements to the company's flagship web based trading product. You'll focus on backend systems using C# and TypeScript but will also have exposure to front end components in Angular and React within a TDD environment. Location/WFH: You can work from home most of … you can you enjoy a range of facilities including large kitchen, café, roof top bar, showers and all the latest kit to work on. About you: You have backend C# .Net, ASP.Net MCV application development skills You also have experience with TypeScript, Angular or React You have a good understanding of Docker for Containerisation You have a good knowledge More ❯