16 of 16 Permanent C# Developer Jobs in London

Full-Stack C# Developer - Greenfield Projects - £40k - £110k DOE (Various roles) City of London Are you a talented developer looking to work in a non-corporate, collaborative environment where your technical input makes a genuine difference? We are currently partnering with a forward-thinking team … team, free from bureaucratic hurdles, where your ideas and solutions are truly valued. Key Responsibilities Build and maintain bespoke in-house applications within a C#/.NET, SQL Server, and ASP.NET ecosystem. Analyse sports markets and identify new investment opportunities using highly automated, data-driven processes. Take ownership ...

Full-Stack C# Developer - Greenfield Projects - £40k - £110k DOE (Various roles) City of London Are you a talented developer looking to work in a non-corporate, collaborative environment where your technical input makes a genuine difference? We are currently partnering with a forward-thinking team … team, free from bureaucratic hurdles, where your ideas and solutions are truly valued. Key Responsibilities Build and maintain bespoke in-house applications within a C#/.NET, SQL Server, and ASP.NET ecosystem. Analyse sports markets and identify new investment opportunities using highly automated, data-driven processes. Take ownership ...

C# Developer – Fixed Income Options London | Hybrid | Leading Options Market Maker A leading global options market maker is expanding its Fixed Income Trading team in London and is seeking a junior to mid-level C# Developer to join a high-impact, front-office engineering … enhance trading tools and systems that support pricing, execution, and research across fixed income options markets. About this role: Develop and enhance high-performance C# trading applications used by front-office teams Collaborate closely with traders and quantitative researchers to enable new trading strategies Build scalable, low-latency systems ...

Description Front Office C# Developer - Commodities DerivativesDay Rate: Up to £750/day (Umbrella)Duration: 6 months initiallyLocation: Marylebone - LondonWorking Arrangement: Hybrid - 3 days per week onsite We're looking for a Front Office C# Developer to join a London-based leading Global Markets … Ensure platform stability through robust testing and release control. Follow team standards for code review, deployment and architectural governance. Essential Strong commercial experience with C# Solid SQL Server experience Background working on complex, business critical platforms Experience with commodities and/or derivatives products Organised, delivery-focused, and comfortable ...

C# .NET Developer | Azure | Contract | London Hybrid | up to £530/day Inside IR35 Enterprise Digital Transformation Programme £530 per day | Inside IR35 Hybrid – 3 days onsite in London I’m currently working with a global technology consultancy supporting a major UK enterprise organisation on a significant … transformation programme, and we’re looking for a strong C# .NET Developer to join the engineering team on a contract basis. This is an excellent opportunity to work in a modern cloud-first environment, helping to deliver scalable backend applications within a fast-paced enterprise programme. ...

days a week in the Oxford Street area of Central London. To be considered for this position, you will be a highly experienced Lead C# Software Developer with solid Azure cloud experience. Ideally, you will have a background with B2C website booking platforms/hospitality systems … stand-alone .NET developer in a team with a Front End Developer and a UX Designer. The ideal Senior C# .Net Developer will have previous experience with: B2C website development & B2C payment platforms Software design & architecture C# & .Net Core React.js &/ ...

days a week in the Oxford Street area of Central London. To be considered for this position you will be a highly experienced Lead C# Software Developer with solid Azure cloud experience. The ideal Senor C# .Net Developer will have previous experience with: C# … offering a salary of £90,000. If you are an experienced Senior Software Developer or Lead Software Developer with impressive C# skills and you are looking for a new challenge, please send me your CV immediately. ...

Full Stack Developer C#/React - Commodities Trading Permanent | Full‐Time | London We are working with a global energy and commodities trading organisation that plays a central role in the movement of energy and resources worldwide. Combining large‐scale trading operations with deep investment in infrastructure … quantitative users, traders, and operational teams to deliver tools that have real commercial impact. Key Responsibilities Design, develop, and maintain full stack applications using C#/.NET on the backend and React on the frontend Build scalable, performant APIs and data‐driven services within a global enterprise environment Work ...

Full Stack Developer (.NET/C#) £53,000 - £58,000 + Company Benefits + WFH 2/3 days a week + 1:30pm Finish on a Friday Northolt, London Are you a Full Stack Developer from a .NET and C# background, with … pivotal role in bringing a new system to market. This role would suit a Full Stack Developer from a .NET and C# background, with knowledge of JavaScript and C++, looking for an autonomous, hybrid role within the renewables sector. The Role: Maintaining and improving a .NET ...

Description Join Our Amazing Banking Client as a C# .Net Developer! Location: Canary Wharf (hybrid) Contract Duration: Up to 2 years! Umbrella Rate: £400 - £490 Per Day (Based on experience) Interviews: ASAP, first interview is in person this is essential. Are you a passionate C# .Net … heart of London. This is your chance to make a real impact in a thriving industry! What You'll Do: As our C# .Net Developer, you will play a crucial role in developing and maintaining applications that drive our business forward. Your responsibilities will include: Designing ...

Description Full Stack Developer (.NET/C#) £53,000 - £58,000 + Company Benefits + WFH 2/3 days a week + 1:30pm Finish on a Friday Northolt, LondonAre you a Full Stack Developer from a .NET and C# background, with … play a pivotal role in bringing a new system to market.This role would suit a Full Stack Developer from a .NET and C# background, with knowledge of JavaScript and C++, looking for an autonomous, hybrid role within the renewables sector.The Role: Maintaining and improving a .NET ...

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 ...

major initiative to unify and expand their core systems, bringing more of this capability in‐house. They are in search for senior C# developers to work on a contract basis. This will initially be a 12 month contract. This role will be to work as part of a large … engineering project to develop and consolidate systems, write software and have a direct impact on several critical platforms. This includes an in‐house C# PnL and Risk system that performs real‐time portfolio valuation, alongside other components that will be integrated into a cohesive, modernised core platform. Candidate Profile ...

Working for a major energy trader (Oil, Power, Gas, Renewables) we are recruiting a Senior C#/React Developer with a background in financial services/trading systems/trading tools. The Role As a member of a skilled global team of software engineers, you will play … developing new trading tool/solutions. The customers are Traders, Analysts, Researchers and Data Scientists. Essential Skills: 3 -5 years of experience working with C# and related .NET technologies Experience with RDBMS and SQL (Oracle, SQL Server, PostgreSQL) 2 - 3 years commercial experience with React Experience working ...

will develop and consolidate systems, write software, guide a team of developers, and take ownership of several critical platforms. This includes an in‐house C# PnL and Risk system that performs real‐time portfolio valuation, alongside other components that will be integrated into a cohesive, modernised core platform. … date) accounting reconciliations Particular interest in candidates with Fixed Income and Rates experience Technical Skills Strong computer science fundamentals Hands‐on development experience in: C# and .NET (essential for this role) Python within quant or data environments The client will also consider exceptional engineers from other OOP backgrounds such ...

with pragmatic, commercial solutions. You’ll have direct interaction with PMs, quants, and the CTO, contributing across design, architecture, and production support. Tech Environment C# and .NET are central to the team’s core systems Python is widely used across quant and data groups Open to candidates from other … essential, but interest in Fixed Income/Rates is beneficial Requirements Strong academic background in Computer Science or related field Excellent programming ability in C# and .NET Experience with large or complex data sets 1–5 years’ experience in a software engineering role Interest in finance; exposure to fixed ...