11 of 11 Permanent C# Developer Jobs in the City of London

C# Developer .Net Azure API

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
C# Developer/Backend Software Engineer (.Net Azure API) London/WFH to £90k Are you a backend focused C# Developer with a strong knowledge of Azure? You could be progressing your career in a senior, hands-on C# Developer role … days holiday Pension Gym membership Private Health and Dental Insurance Access to a wide range of financial services Hybrid working Your role: As a C# Developer you'll join a team acting as a 'tech incubator' within the wider business who are enabling the business to transform ...

Senior C# Developer

Hiring Organisation
RED Global
Location
City of London, London, United Kingdom
Senior C# Developer - 8 Month contract role - Hybrid (London)*** RED now has a new contract opportunity for a C# Developer to join one of our key partners for a brokerage project . The initial contract will be for 8 months with excellent extension opportunities. … start 14th of May and will be hybrid with 3 days pr week on-site in London , United Kingdom. Role responsibility: As a Senior C# developer, you will lead the design and development of high-performance software while bridging the gap between application code and cloud infrastructure. ...

C# Developer .Net Azure API

Hiring Organisation
Client Server
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 95,000 Annual
C# Developer/Backend Software Engineer (.Net Azure API) London/WFH to £90k Are you a backend focused C# Developer with a strong knowledge of Azure? You could be progressing your career in a senior, hands-on C# Developer role ...

C# Developer - Top Market Maker - London

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
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 ...

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 ...

Junior C# Developer – High-Performance Hedge Fund – London – Excellent Compensation + Benefits

Hiring Organisation
Mondrian Alpha
Location
City of London, London, United Kingdom
client, a high-performing, data-driven hedge fund, is seeking a top-tier Graduate/Junior C# Developer to join their London-based technology team. This is a rare opportunity to join a lean, high-calibre environment where technology sits at the core of the business. … weekly production releases, requiring engineers who are both pragmatic and delivery-focused. Key Responsibilities will include: Building and enhancing high-performance systems in C# supporting trading and analytics workflows Developing tools for market data processing, trading infrastructure, and internal platforms Working across the full development lifecycle: design, implementation, testing ...

Senior C# Developer - Head of Core Platform | Hedge Fund | London

Hiring Organisation
Undisclosed
Location
City of London, London, United Kingdom
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 ...

Lead Developer, .NET, C#, Azure, Logic Apps, React, GenAI, Part Remote

Hiring Organisation
Carrington Recruitment Solutions Limited
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 85,000 Annual
Lead Developer, Azure, .NET, C#, React, LogicApps, Full Stack Engineer, Mainly Remote Lead Developer required for a Professional Services business based in Central London. There will be a requirement to be present in the office circa twice a month. On the odd occasion ...

Mid-Level .NET / Full Stack Developer – Hybrid – £450/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven

Hiring Organisation
VirtueTech Recruitment Group
Location
City of London, London, United Kingdom
Level .NET/Full Stack Developer – Hybrid – £450/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven We have a great opportunity for a Mid-Level .NET/Full Stack Developer to join a growing payments company. As a .NET Developer … engineering best practices Support the team in delivering scalable and reliable distributed systems What we’re looking for Experience developing applications with .NET/C# Exposure to cloud platforms such as Azure Experience building or consuming REST APIs Understanding of microservices or event-driven architectures Experience working in agile ...

Lead Developer, Full Stack Engineer, Azure, .NET, C#, React, LogicApps

Hiring Organisation
Carrington Recruitment Solutions Limited
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 85,000 Annual
Lead Developer, Full Stack Engineer, Azure, .NET, C#, React, LogicApps, Mainly Remote Lead Developer required for a Professional Services business based in Central London. There will be a requirement to be present in the office circa twice a month. On the odd occasion … more than this We need someone with the following skills: Strong Leadership where you have operated as a Lead Developer in a click apply for full job details ...

Senior Client Developer (Unity C#)

Hiring Organisation
Offroad Games
Location
City of London, London, United Kingdom
hiring a Senior Unity Developer Join Offroad Games, a fresh, London-based game studio founded by ex-Space Apes in 2025. We’re running two live games, Chrome Valley Customs and Fastlane and tackle exciting technical challenges with a ship fast, improve constantly mindset. You’ll work closely … least one launched mobile title. Comfortable working independently while collaborating closely with the fast-moving wider team 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 feedback. Hybrid ...