1 to 25 of 34 C# Developer Jobs in London

C# Developer/Software Engineer (.Net SQL) London/WFH to £85k Are you a data savvy C# Developer with strong SQL skills combined with a good understanding of finance/trading systems? You could be progressing your career and gaining valuable finance experience … at a hugely successful Hedge Fund, working on complex and interesting systems with continual learning opportunities. As a C# Developer you'll join a small, Agile team to design, develop and support the Portfolio Management systems. You'll be collaborating with Front Office users and will gain … a good understanding of financial trading systems, working with modern tech across the full stack from SQL/Oracle, C# .Net Core on the backend through to Angular and TypeScript on the frontend, with a bias towards backend development. There's a range of projects from a couple of More ❯

C# Developer/Software Engineer (.Net SQL) London/WFH to £85k Are you a data savvy C# Developer with strong SQL skills combined with a good understanding of finance/trading systems? You could be progressing your career and gaining valuable finance experience … at a hugely successful Hedge Fund, working on complex and interesting systems with continual learning opportunities. As a C# Developer you'll join a small, Agile team to design, develop and support the Portfolio Management systems. You'll be collaborating with Front Office users and will gain … a good understanding of financial trading systems, working with modern tech across the full stack from SQL/Oracle, C# .Net Core on the backend through to Angular and TypeScript on the frontend, with a bias towards backend development. There's a range of projects from a couple of 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 … billion under management. As a Senior C# Developer you will work on critical systems across front, middle and back office systems to 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 is a senior, hands-on position, you'll collaborate with colleagues in the US and More ❯

C# Developer/Software Engineer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. As a … C# Developer you'll collaborate with a team of highly intelligent technologists and finance professionals to develop algorithmic trading systems working with a modern tech stack, with opportunities for technical ownership from day one. You'll partner with Quant teams to help architect valuation, risk and pricing … discipline from a top tier university (i.e. Russel Group or top 100 global university), backed by A grades at A-level You have advanced C# .Net programming skills including .Net Core (will also consider Java, Python or C++ background if happy to use C# going forward) You have More ❯

Job Title : C# Developer – Elite Trading Firm (up to £130K + Bonus + Hybrid) Client : Elite Trading Firm Salary : Up to £130,000 + performance-based bonuses Location : London/Hybrid Roles and Responsibilities : We are partnering closely with an Elite Trading Firm who are looking for … a C# Developer to work on building out their trading platform. With a commitment to the highest tech standards in the industry, our client prides itself on maintaining cutting-edge technology and a progressive work environment. As a C# Developer, you will play a … with top-tier infrastructure teams in the financial sector. Key Requirements: Degree in Computer Science or STEM based subjects. Strong programming skills as a C# Developer. 4+ years of work experience in a relevant role such as software or quant development or technology. Proficiency in modern software development practices More ❯

Contract SQL/C# Developer - Energy Trading £700/day OUTSIDE IR35 Hybrid Working Our client is seeking an experienced Contract SQL/C# Developer to join their team, working on complex projects with cutting-edge technologies. This hybrid role requires you to be … in the office 2 days a week, providing the perfect blend of collaborative and flexible working environments. Required Skills: Microsoft .Net and C# Microsoft SQL Server 2019 and above, including: SQL Server Integration Services (SSIS) SQL Server Analysis Services (SSAS) - Multi-Dimensional and Tabular SQL Server Reporting Services (SSRS … forward-thinking company that values innovation and creativity. Collaborate with a team of talented professionals in a supportive and dynamic environment. Contract SQL/C# Developer - Energy Trading More ❯

C# Developer – Join a World-Leading Hedge Fund 📍 Location: London (Hybrid) 💰 Salary: Up to £170,000 + Bonus + Comprehensive Benefits 🏦 Client: Top-Tier Global Hedge Fund 🔍 The Opportunity: We’re working with one of the most prestigious hedge funds globally to find a talented C# … a fast-paced, performance-first environment ✅ What We’re Looking For: ✔️ 2+ years’ experience in quantitative development or similar finance-focused engineering role 💻 Strong C# skills, with expertise in OOP , multithreading , and system design 🔄 Experience partnering with trading desks or quantitative teams on mission-critical systems 🌟 Why This Role … grow within a world-class engineering and trading environment 🧠 Collaborate with some of the brightest minds in finance and tech 📬 Ready to elevate your C# career at a hedge fund that sets the global standard? Apply now or reach out directly: obloom@hunterbond.com More ❯

Tech Lead/Senior Developer (C#/React/Azure) – London/Hybrid £80,000-£85,000 My client is looking for a Tech Lead (or a Senior Developer with line management experience) to join their expanding team and help continue the innovation of their … and managing its delivery · Improve ways of working and overall outputs of the software Essential Requirements · Demonstrated success in line management · Extensive experience with C# .NET and JavaScript (React/Typescript) · Extensive experience in solutions architecture and technical leadership roles, with knowledge of software development across multiple platforms · Leadership More ❯

Role: Contract C# .NET Developer Domain: Commodities trading Day rate: £700-750/d (outside IR35) Location: London (hybrid - 3 days per week) Contract: 12 months (strong extension scope) X4 Technology are partnered with a well-backed commodity trading firm in London offering an exciting outside IR35 … contract opportunity for an experienced C# .NET Developer . You'll play a key role in a major tech transformation, evolving their core trading systems to a scalable data-first model - with a focus on performance, scalability, resilience and smarter system integration. You’ll be integral to … charge in adopting best practices in software engineering across the .NET ecosystem. Responsibilities of the Contract .NET Developer (Commodities) Designing and developing C# .NET Core applications supporting real-time trading workflows and analytics. Developing and consuming RESTful and gRPC APIs in a microservices environment. Building distributed, event More ❯

A Proprietary Trading firm in London is seeking a talented Senior C# Developer to join their trading and execution team. This new role has been created due to the company’s strong performance and internal growth, offering a fantastic opportunity for someone that really enjoys working with … with the team to improve operational workflows and user experience. Key Requirements: Degree in Computer Science or a related scientific field. Strong experience in C# and the .NET platform. Experience in building or maintaining trading and data analytics platforms. Good database experience, including SQL Server, Oracle, or similar. Knowledge More ❯

My client, a top performing global hedge fund, is looking for a talented C# Developer to join their front-office technology team. This is a unique opportunity to work closely with traders and quants, building low-latency, high-performance systems that directly impact trading outcomes. You’ll … be developing and enhancing critical components across pricing, execution, and risk, using modern C# and .NET technologies in a fast-paced, collaborative environment. The role offers exposure to cutting-edge tech, a flat structure with strong technical mentorship, and the ability to see your work make a tangible impact … on the business. Key Responsibilities will include: Designing and building high-performance trading tools and APIs in C# You’ll be developing robust, scalable applications that power real-time trading and analytics. Expect to work on everything from low-latency market data processing to trade capture systems, all built More ❯

Job title: Quantitative Developer (C#) Client: Elite Prop Trading Firm Salary: Up to £140,000 Base (+ Bonus) Location: London The role: My client are seeking a talented Quantitative Developer to help build out high performance pricing and risk platforms. As a Quantitative Developer … solutions. Develop and maintain desktop, web, and Python-based pricing platforms for trading operations. You will have: 4+ Years experience as a Quantitative Developer (or related field like Software Engineering). 4+ Years experience using C#. Experience using Python - preferable. Experience with Commodities - preferable. Experience working in a … Front Office environment. If you are a Quantitative Developer, please apply directly or email rdelaney@hunterbond.com for more information. More ❯

C# .NET Software Developer with FX and Fixed Income Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record of developing with C# … pricing APIs. Maintaining the company's daily operation on the existing platforms. Essential skills: - Minimum 3 to 5 years experience of Microsoft web technologies (C#, ASP.NET Core MVC) Relational database experience (SQL Server) Proactively able to build relationships with stakeholders: sales, brokers, middle office, external vendors. Ability to produce More ❯

Job Description Software Developer with C# .Net SQL Server and RPG Role Description This is a full-time hybrid role based in London, offering flexibility for remote work. As a Software Developer with expertise in C# .NET, SQL Server, and RPG, your responsibilities will … would like you to have a background in working for a bank working on Core Banking systems along with BAU and developing solutions in C# .net coupled with excellent SQL Server SSIS and RPG. Qualifications Proficiency in C# .NET, SQL Server, and RPG programming languages Experience in software More ❯

My client, a prestigious global hedge fund, is seeking a talented C# Software Developer to join their Quantitative Technology team in London. In this role, you will work closely with quantitative researchers, portfolio managers, and other technology teams to build and enhance the tools, APIs, libraries, and … in improving the firm’s ability to predict and trade movements in global financial markets. This is an exceptional opportunity for a skilled developer with a passion for technology and quantitative finance to contribute to the core platforms that drive the research and trading of cutting-edge investment … adopt new technologies to ensure efficient and innovative delivery of business requirements. Requirements: 5+ years of professional software development experience, with strong skills in C#, Python, or C++. Solid computer science fundamentals, including experience with distributed systems and large-scale data processing. Collaborative nature, with the ability to work More ❯

Job Description Senior Backend Developer with C# .net Framework Working as part of the Digital team, you'll be responsible for the ongoing development and improvements to an eCommerce website as well as other internal applications for this award-winning Travel Company. You will be responsible for … Leading the eCommerce web and application development from a technical perspective Collaborating with the front end developer and design resource to deliver improved UI & UX A problem solver - you'll need to be able to analyse and suggest improvements to existing website features Analysing and identifying ways … to automate processes working alongside the business lead Implementing automated regression testing for the software developed Skills and Experience: Excellent working knowledge of ASP.NET, C#, HTML, JavaScript, jQuery, React Framework, MS SQL Server, Mongo DB, Elasticsearch Understanding of SOLID development principles Worked previously on projects using the Umbraco CMS More ❯

Job Description C# .NET Software Developer with FX Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven trach record of developing with C# .NET …/tradeflow and pricing APIs. Maintaining the company's daily operation on the existing platforms. Essential skills :- Minimum 3 years experience Microsoft web technologies ( C#, ASP.NET Core MVC ) Relational database experience (SQL Server) Proactively able to build relationships with stakeholders:- sales, brokers, middle office, external vendors. Ability to produce More ❯

Lead Full Stack Developer - React/C# - Azure API -Node JS Skills Requirement You must have proven experience of leading a team. This role will be both hands on/Hands off. Solid communication to stakeholders essential . Event-sourcing experience (writing tooling) API - Able to write More ❯

MTHS CONTRACT ! Outside IR35 Full Stack Developer - React/C# - Azure API - Node Skills Requirement Event-sourcing experience (writing tooling) API - Able to write/deploy and interact with it API layer concerns Host/Handle Caching Content delivery network Deploy Apps using serveless tools Azure Interviews More ❯

Role - Full Stack Developer Type - Fixed term contract (3 - 6 months) Rate - £65,000 - £70,000 per annum, pro rata Location - Hybrid, 50% of the month in the office (London, Victoria) Spec - PURPOSE OF POST: To design software solutions To work closely with business analysts and translate business … field Proven experience as a Full Stack Developer, with a focus on both front-end and back-end technologies Strong proficiency in C# .NET 8, Blazor, Azure SQL Server, Azure B2C, Terraform, CI/CD, Azure Dev Ops. Good understanding of modern web applications and modern technologies. More ❯

Job Description Software Developer with C# Dot Net asp.net with SQL Server SSIS SSRS Our Client is a bank based in Central London who are looking to recruit at least 7 years plus experience as a Data Engineer with the ability to work with C# Dot … net and SQL Server with SSIS. You must have solid expertise of at least 7 years' experience of working with and developing software with C# Dot Net and MS SQL Server and SSIS, SSRS and SSAS - SSIS is very important for this position. Must be an excellent problem solver … Have Skills Software analysis and design. SQL Server query language with SSIS. Data warehouse design concepts, (Inmon or Kimball) Experience of developing software with C# Dot Net and asp.net and SQL Server is a must. Must have solid experience of working with SSIS and building data warehouses. The Client More ❯

Job Description C# .NET Software Developer with FX and Fixed Income Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record of developing with … C# .NET. The Client would like meet candidates ideally with some understanding Trading Floor projects to include Fixed Income, Risk Management, Swap Options and FX. You need to be resilient as you will be working closely with traders and developing financial trading systems so an understanding of FX instruments … pricing APIs. Maintaining the company's daily operation on the existing platforms. Essential skills :- Minimum 3 to 5 years experience of Microsoft web technologies ( C#, ASP.NET Core MVC ) Relational database experience (SQL Server) Proactively able to build relationships with stakeholders:- sales, brokers, middle office, external vendors. Ability to produce More ❯

Senior Client Developer (Unity C#) Join Offroad Games, a fresh, London-based game studio founded by ex-Space Apes Games. We’re running two live games and tackling exciting technical challenges. You’ll be right in the action, working closely with the team on Chrome Valley Customs … at least one launched mobile title. Strong teamworking skills but also can work independently on tasks with minimal guidance. Be a flexible game developer and be ready to give feedback and suggestions on anything we create. Have the drive to make fun and engaging game mechanics with great More ❯

Our Banking Client is seeking to recruit a C# .NET Developer with proven experiened in Windows application development, on an initial 6 month contract to be based in London (hybrid, 3x days per week onsite). Tasks/Responsibilities: - Understanding business requirements, designing applications, business data analysis … Quality Assurance (QA), Production and Disaster Recovery environments. Supporting users and writing operation documents including User Helps (manuals) will also be required. Tech Stack C# WPF Winforms SQL Oracle More ❯

Job Description Backend Developer (Umbraco) - Senior-level Working as part of the Digital team, you'll be responsible for the ongoing development and improvements to an eCommerce website as well as other internal applications for this award-winning Travel Company. You will be responsible for: Leading the eCommerce … web and application development from a technical perspective Collaborating with the front end developer and design resource to deliver improved UI & UX A problem solver - you'll need to be able to analyse and suggest improvements to existing website features Analysing and identifying ways … to automate processes working alongside the business lead Implementing automated regression testing for the software developed Skills and Experience: Excellent working knowledge of ASP.NET, C#, HTML, JavaScript, jQuery, React Framework, MS SQL Server, Mongo DB, Elasticsearch Understanding of SOLID development principles Worked previously on projects using the Umbraco CMS More ❯