16 of 16 C# Developer Jobs in London

Senior C# Developer .Net Core - Finance

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
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 … 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 ...

Senior C# Developer .Net Core - Finance

Hiring Organisation
Client Server
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 85,000 Annual
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 … 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 b click apply for full job details ...

C# Developer - C# / Sql server / Fixed income

Hiring Organisation
Huxley Associates
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £80000/annum
C# Developer - C#/Sql server/Fixed income The Front office (Fixed Income) software development team requires an agile and versatile specialist and team player with mid level expertise in .Net/C# software. The role requires an experienced individual who is comfortable … variety of front office stakeholders, globally. Role details Title: Software Developer (software engineer) Technical stack C#.NET. Wider stack .Net, .Net Core, C#, SQL Server Permanent role, salary £60-75,000 Location: London City and home working hybrid Focus: Front office Fixed Income Requirements: Good experience with C# ...

C# Developer - C# / Sql server / Fixed income

Hiring Organisation
Huxley
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £80,000 per annum
C# Developer - C#/Sql server/Fixed income The Front office (Fixed Income) software development team requires an agile and versatile specialist and team player with mid level expertise in .Net/C# software. The role requires an experienced individual who is comfortable … variety of front office stakeholders, globally. Role details Title: Software Developer (software engineer) Technical stack C#.NET. Wider stack .Net, .Net Core, C#, SQL Server Permanent role, salary £60-75,000 Location: London City and home working hybrid Focus: Front office Fixed Income Requirements: Good experience with C# ...

C# Developer

Hiring Organisation
VIQU IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £400 per day
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 … 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 ...

C# .Net Developer

Hiring Organisation
Damia Group Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £650/day
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 … 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 ...

C# Developer - Risk IT

Hiring Organisation
Harvey Nash
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £720 per day
C# Developer - Risk IT - sought by leading investment bank based in London - Contract - Hybrid *inside iR35* What You'll Be Doing Designing and developing enterprise-grade solutions in an Agile team. Building and maintaining middleware services using C# , REST APIs , FIX messaging , XML , and Microservices . … Bring A strong academic background in Computer Science, Engineering, or a related field. Proven experience in SOLID Principles/Design patterns Deep knowledge of C# .NET , RESTful services , and microservice architecture . Hands-on experience with FIX messaging , XML , AMQ , and ideally nHibernate , OData , and TDD . Excellent communication ...

C# Developer - Risk IT

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £720 per day
C# Developer - Risk IT - sought by leading investment bank based in London - Contract - Hybrid *inside iR35* What You'll Be Doing Designing and developing enterprise-grade solutions in an Agile team. Building and maintaining middleware services using C# , REST APIs , FIX messaging , XML , and Microservices . … Bring A strong academic background in Computer Science, Engineering, or a related field. Proven experience in SOLID Principles/Design patterns Deep knowledge of C# .NET , RESTful services , and microservice architecture . Hands-on experience with FIX messaging , XML , AMQ , and ideally nHibernate , OData , and TDD . Excellent communication ...

C# Developer - Desktop Applications - Banking

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £415/day inside IR35
Global bank based in Canary Wharf. Role - C# Developer - Desktop Applications Duration - 6 months with likely extension Rate - £415 p/d (inside IR35) Location - Hybrid/Canary Wharf Tech Stack C# WPF Winforms SQL Oracle Tasks Tasks range from understanding business requirements, designing application structures ...

Graduate / Junior Developer, Python, Linux, C#, Java - London

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £40,000 per annum
Graduate/Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate/Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate/Junior Developer) Since 2006 our client's revolutionary marketing software platform has been … that are relevant, helpful, and personalized. Having recently launched in the UK, they looking to hire Graduate/Junior Developer (Python, Linux, C#, Java)) to become a part of their ever-growing family. They believe that individual developers are in the best position to make decisions about ...

C# Oracle PL/SQL Developer Role

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £415/day Inside IR35
C# Oracle PL/SQL Developer for Tier 1 bank in Canary Wharf Role - C#, Oracle, PL/SQL Developer Duration - 6 months with very likely extension Location - Hybrid/Canary Wharf - 3 days per week in a Canary Wharf office Rate … Inside IR35) Tech Stack C# Oracle PL/SQL Data Lineage Documentation Role Primary responsibility will be to reverse-engineer complex source code to document data flows and transformations. You will collaborate closely with application teams, DBAs, and data governance specialists to ensure that lineage artifacts are complete ...

Junior Quant Developer - C# - London - £75,000 + Comps

Hiring Organisation
Hunter Bond
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 Annual
What you'll do: Design, develop, and enhance core pricing and risk systems used across global trading desks Build scalable, high-performance solutions in C# and contribute to the firm's quant and risk libraries Partner closely with trading and quant teams to deliver new features and Front Office … used across the business Balance rapid delivery for day-to-day enhancements with long-term strategic projects What you'll bring: Strong proficiency in C# and solid understanding of object-oriented programming Good knowledge of financial instruments (derivatives or structured products) Experience with Python for data analysis or automation ...

Quantitative Developer (C#) - Up to 160k + Exceptional Bonus - Elite FinTech Firm- London - Hybrid Working

Hiring Organisation
Hunter Bond
Location
London, UK
Employment Type
Full-time
opened up at one of the most elite FinTech firms in the industry! My client is searching for highly skilled Quantitative Developers and C# Developers to join their team and contribute to the design and development of complex, high-performance applications that directly support global trading activity. In this … make a real impact. What They're Looking For: At least 5 years of professional software development experience within the finance sector Strong C# programming skills Solid understanding of financial products or asset classes Degree(s) in Computer Science or a similar technical discipline Excellent communication abilities, both written ...

Graduate C#.Net Developer x 2

Hiring Organisation
Jump IT Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £40,000 per annum
C#, .NET, .NET Core, SQL Server, T-SQL, Entity, Azure, App Services, Azure Service Bus, Event-driven architecture, API's, CI/CD, DevOps. We have 2 great permanent job opportunities to join our client in early 2026. A degree in computing, software engineering or computer science would ...

Financial Systems Developer (C#.NET Engineer)

Hiring Organisation
Centre People Appointments
Location
Central London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £65,000 per annum
KM46978 A leading Japanese IT company with a central London office is seeking a C#.NET Developer for its Financial Systems Team. They welcome candidates with knowledge of banking, securities, or insurance operations, and experience developing with C#.NET. Ideal candidates have led enhancements, maintenance, or improvements of existing systems. … experience Start Date: Negotiable Working Hours: Monday to Friday, 9:00–17:00 Location: Central London (Hybrid) WORK STYLE: Hybrid style Financial Systems Developer Main Responsibilities: Develop, maintain, and enhance financial systems (banking, securities, insurance) Develop applications using C#.NET Design, manage, and optimise databases such as SQL Server ...

Bank Project) C#.NET Developer

Hiring Organisation
JAC Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£55000 - £65000/annum
Position:Senior Software Engineer (C#) Overview: System development for financial institutions Job Description: Due to the expansion of system development projects for financial institutions, we are seeking engineers with C#.NET Responsibilities: - Develop systems for financial institutions using C# - Design and implement functions from front-end to back ...