18 of 18 Permanent C# Developer Jobs in London

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 Location: London, Hybrid position 50% in officeKey Responsibilities * Software development and maintenance of sales tools applications, components and utilities. * Participate in an agile based software development life-cycle including analysis, documentation, development, testing and code reviews. * Interact with our business sponsors who are working … software development experience or equivalent. * Excellent communication skills, both written and oral, inside and outside the team. * Solid experience with client or server-side C# development. * Solid experience with web-based applications and restful APIs. * Solid experience with relational databases and SQL knowledge. * An ability to design performant software ...

C# Developer Location: London, Hybrid position 50% in office Key Responsibilities • Software development and maintenance of sales tools applications, components and utilities. • Participate in an agile based software development life-cycle including analysis, documentation, development, testing and code reviews. • Interact with our business sponsors who are working … software development experience or equivalent. • Excellent communication skills, both written and oral, inside and outside the team. • Solid experience with client or server-side C# development. • Solid experience with web-based applications and restful APIs. • Solid experience with relational databases and SQL knowledge. • An ability to design performant software ...

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 ...

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 ...

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 ...

software development team are responsible for building a range of internal and client facing applications delivered primarily through cloud technologies. As a Principle Developer you will contribute to every aspect of the development work including analysis, technical specification & design, development, testing, deployment, and ongoing maintenance. You will take … other duties reasonably required and commensurate with the level of the post. About You Extensive experience as a full stack developer. Exyensive experience in C#/.NET frameworks. Experience of React and TypeScript/JavaScript and associated web technologies. Knowledge of Microsoft Azure and/or AWS cloud technologies ...

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 ...

quality software solutions Carry out any other duties reasonably required and commensurate with the level of the post. About You Extensive experience developing in C#/.NET including experience of .Net Frameworks is essential. Experience of React and TypeScript/JavaScript and associated web technologies. Knowledge of Microsoft Azure ...

quality software solutions Carry out any other duties reasonably required and commensurate with the level of the post. About You Extensive experience developing in C#/.NET including experience of .Net Frameworks is essential. Experience of React and TypeScript/JavaScript and associated web technologies. Knowledge of Microsoft Azure ...

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 ...