21 of 21 Permanent C# Developer Jobs in London

Senior C# Developer/Backend Software Engineer (C# .Net) London onsite to £150k Are you an experienced backend focussed C# Developer? You could be progressing your career in a senior, hands-on role at a global Sports Trading business, earning substantial bonuses. … Senior C# Developer within the trading engine team, you'll collaborate to design and develop real-time trading systems, you'll often be collaborating with the strategy team on Greenfield projects which you'll take ownership of and will see the business impact of. There ...

Senior C# Developer/Software Engineer (C# .Net) London onsite to £150k Opportunity to progress your career in a senior, hands-on C# Developer role at a global Asset Manager with c$3 million under management. As a Senior C# Developer … strategy team on Greenfield projects which you'll take ownership of and will see the business impact of. There's a focus on C# .Net backend and API development although you'll also have elements of front end work with JavaScript and React.js. Location: You'll be based ...

Senior C# Developer/Backend Software Engineer (C# .Net) London onsite to £150k Are you an experienced backend focussed C# Developer? You could be progressing your career in a senior, hands-on role at a global Sports Trading business, earning substantial bonuses. … Senior C# Developer within the trading engine team, you'll collaborate to design and develop real-time trading systems, you'll often click apply for full job details ...

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 ...

C# Developer - Global Investment Management Firm Central London (3 days onsite/2 days remote) I'm partnering with a leading multinational investment management firm seeking a strong C# Developer to join a high-performing engineering team delivering business-critical platforms. This role requires … distributed applications Enhancing systems that model financial positions, transactions and flows Driving projects from inception through design, build, testing and release Core requirements: Strong C#/.NET development experience Advanced SQL skills (performance tuning, complex queries, data modelling) Azure cloud experience (App Services, Functions, Service Bus, DevOps etc.) Experience ...

C# Developer 6-Month Contract Location: London (Hybrid) Lorien's UK leading investment banking client are currently looking for a highly skilled C# Developer to join the team on an initial 6-month contract. Qualifications: Commodities FX Trading, quants knowledge, investment banking/FS. ...

Junior Developer | C# | SQL | ASP.NET | FX Payments Tech | London | Hybrid | up to £60k + Benefits Junior Software Developers with a focus on C#, ASP.NET and SQL are needed for our growing FinTech Client; a company that empowers some of the most respected financial institutions … that will enable the market to control costs, comply with varying global regulations and manage cashflow far more effectively than before. As a Junior C# Software Developer, if you're looking for a challenging, stimulating role where you can make a real difference, joining this team ...

gameplay ideas quickly, validate mechanics, and iterate based on player behaviour and data. You will implement core features and systems in Unity using C#, improve performance, fix bugs, and keep the codebase maintainable. You will help establish asset and development pipelines so the team can build content smoothly … mini game logic where needed. Key responsibilities Rapid prototyping of mobile game concepts and gameplay loops Feature implementation in Unity with clean, high performance C# Iterating from user engagement and monetisation data where applicable Integrating advertising SDKs and analytics tools for measurement Establishing content pipelines, maintaining the project structure ...

Title: C# Developer Client: Elite FinTech Firm Experience Level: 2+ years' Salary: Up to £100k + Bonus + Package Location: London (Flexible Working) An elite fintech firm are searching for C# Developers to join a group of the highest-regarded talent around! This team … high performance tools - utilising cutting edge technology across a diverse range of greenfield projects Tech driven environment - most recent versions/frameworks of C# used daily Skills/Experience Strong knowledge of C# STEM degree - strong computer science fundamentals (Preferred ...

Role: Junior C# Quantitative Developer Client: Leading Hedge Fund Compensation: Competitive Base + Performance Bonus Location: London (Hybrid) Overview Join a leading hedge fund where technology and mathematics drive every decision. We’re looking for a talented Junior Quantitative Developer to work alongside experienced quants … intersection of engineering and research, contributing to the development of mission-critical trading and analytical tools. Key responsibilities include: • Developing and maintaining high-performance C# applications used across research, risk management, and live trading. • Collaborating with quants to implement complex pricing models and robust backtesting frameworks. • Enhancing data processing ...

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 ...

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 ...

United Cerebral Palsy of Georgia is seeking a skilled C# Developer for a 6-month contract based in London with a hybrid work model. The role focuses on developing applications within the investment banking sector. Ideal candidates should have knowledge in Commodities FX Trading, quants, and experience ...

C#/C++ Developer – FX Options (Contract) Join a leading investment bank working on FX Options deal capture and trading systems in a front-office aligned environment. You’ll be hands-on across development, production support, and platform enhancements. Strong C# and C++ and Front office ...

Contract C#/C++ Developer (FXO Deal Capture) – London - Hybrid Role I’m working with a leading global bank looking to hire an C#/C++ Developer to join their front-to-back FX platform in London. This role sits within a core … complex system behaviour Contributing to releases, testing, and system improvements Helping to evolve core FX trading infrastructure Tech/Skills Required Strong experience with C# and C++ Familiarity with IIS/distributed systems environments Strong analytical and problem-solving skills Ability to work across development, analysis, and support Domain ...

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 ...

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 ...

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 ...

renewal Salary Typically £50,000 to £60,000 per year depending on experience Role overview We are looking for a technically strong Unity Developer who enjoys buil click apply for full job details ...

Quantitative Developer - Fixed Income (C#, Rust) Location: London, United Kingdom Posted about 1 year ago Technical Expertise C# Rust Python Quantitative Background Solid understanding of quantitative development, techniques, and their application in risk management or quantitative analysis around Fixed Income products. Compensation Competitive Role Type Full ...