23 of 23 Permanent C# Developer Jobs in London

C# Developer .Net AWS - Relocate to Bermuda

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
C# Developer .Net AWS - Relocate to Bermuda London, Greater London | $130k - $175k USD per year C# Developer/Software Engineer (C# .Net AWS) Relocate to Bermuda! Are you a skilled C# Developer looking for a life changing opportunity? You could … progressing your career and relocating to Bermuda, in a hands‐on C# Developer role at a tech driven, global Asset Manager with multiple billions of dollars under management. As a C# Developer you will work on challenging, high impact problems at the intersection ...

C# Developer - Trading Platform

Hiring Organisation
Appcast
Location
London, UK
C# Developer – Trading Platform(up to 60K)Quant Capital is urgently looking for a C# developer to join our high profile client.My client is a well known financial connectivity provider for the front office. They create a low latency high volume transaction network … Equity and Fixed Income trades. As such they are a firm driven bu technology and getting the most out of it.The C# Developer sits in a team of 6 who work completely to the Scrum Methodology. The product is large and complex with comprehensive business functionality written ...

Senior C# Developer.Net AWS - Finance

Hiring Organisation
Appcast
Location
London, UK
Senior C# Developer/Software Engineer (C# .Net AWS) London to 90kAre you a technologist who enjoys contributing to technical discussions and using the best tool for the job You could be progressing your career at a global, financial Market Data provider whilst enjoying a range … perks and benefits.As a Senior C# Developer you will collaborate with DevOps and Product Management within an Agile team environment working on a Greenfield Market Data platform. The platform has been built with C# deploying to AWS and requires high scalability and low latency - they currently ...

Senior C# Developer- - SC Cleared

Hiring Organisation
Triad
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65000/annum
Senior C# Developer- SC Cleared Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices. Salary up to £65k, plus excellent company benefits. Given the nature of the work and timescales, candidates must hold an active SC clearance. About Us Triad Group … help the government monitor and reduce greenhouse gas emissions from commercial transport Role Summary Triad Group Plc is seeking a skilled and experienced Senior C# Developer to join our dynamic team. As a Senior Developer, you will be responsible for designing, developing, and maintaining software ...

C# Developer - Front Office / Investment bank

Hiring Organisation
Bank
Location
London Area, United Kingdom
Senior C# .NET Developer – Front Office – Investment Bank Our client, a leading global investment bank, is seeking an experienced Front Office C# Developer to join their Global Markets IT function, delivering innovative solutions that support XVA, Liquidity and Financial Resource Management. … ongoing evolution of a modern, event-driven architecture. This is a hybrid role based in London paying up to The Role As a Senior C# Developer, you'll play a key role in designing, developing and enhancing enterprise-grade applications that support critical Front Office functions. ...

C# Developer

Hiring Organisation
Impellam Group
Location
City of London, London, United Kingdom
Commodities Trading C# Developer 📍 Location: London 📅 Contract: 6 month initial contract 📑 IR35: Inside IR35 Business Area: Global Markets Department: Commodities IT About the Role We are seeking an experienced Commodities Trading C# Developer to join a London-based core development team within a leading … control and CI/CD pipelines Support production systems and ensure ongoing reliability and maintainability Required Skills & Experience Essential Expert-level development experience in C#/.NET Strong experience with SQL Server Proven experience working with service-based architectures (REST, gRPC, web technologies) Solid understanding of asynchronous programming ...

C# Desk Developer

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
C# Desk Developer (Contract) | Front Office Trading Technology | Investment Bank The Role: A leading global investment banking team is looking for a contract C# developer to join a front office technology function supporting a rates trading business in London. This is a desk-facing … prioritise and deliver enhancements. Help improve engineering standards, automation, reliability, and operational efficiency across the platform. What You Bring: Strong commercial development experience using C# and .NET technologies. Experience working within front office, trading, or capital markets environments. Good understanding of financial products such as rates, fixed income, equities ...

C# Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
title: C# Developer Client: Elite FinTech Firm Salary: Up to £100k + Bonus + Package Location: London (Flexible Working) Skills: C#, High Performance Tools, Greenfield Projects, STEM Degree (Preferred) The Role An elite fintech firm are searching for C# Developers to join a group … 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 Requirements Strong knowledge of C# STEM degree - strong computer science fundamentals (Preferred) #J-18808-Ljbffr ...

Senior Developer (C#/.NET)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Role: Senior Developer (C#/.NET) Location: London (Hybrid) Rate: Up To £800 Per Day The role An exciting opportunity has arisen for an experienced Senior .NET Technical Lead to join a high-performing technology team delivering business-critical enterprise applications. This is a hands-on leadership … platforms. Collaborate with technical and business stakeholders to deliver complex change programmes from design through to production. Requirements Extensive commercial experience developing applications with C# and the .NET ecosystem, including modern .NET. Proven experience leading development teams or technical workstreams while maintaining a hands-on coding role. Strong understanding ...

Junior C# Quant Developer - Hybrid London (Mentorship & Impact)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

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# Quant Developer | Real-Time Market Data | Investment Bank

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
C# Quant Developer | Real-Time Market Data | Investment Bank C# Quant Developer | Real-Time Market Data & Analytics | Investment Bank C#, Quant Development, Market Data, Fixed Income, FX, Real-Time Systems The Role: A large financial institution is looking for a Quantitative Developer … migration initiatives. Support the delivery of accurate and reliable data consumed across multiple business areas. What You Bring: Strong software engineering capability in C# or a comparable object-oriented language. Experience of development in a large quant library Exposure to quantitative development, market data platforms or analytics systems. Knowledge ...

C#.NET Developer Fintech SQL

Hiring Organisation
Appcast
Location
London, UK
Bracknell, Small Dev Team.Pay: 70k, flex working and remote, Bonus, Benefits, PensionC# .NET Developer Fintech SQLQuant Capital is urgently looking for a C# .NET Developer to join our high profile client.My client is a well known global software house specialising in the development of warehouse … sharp end of technology and the possibility of making serious money doing something you are passionate about.Designing and developing software using MS Visual Studio, C#, .NET and UI technologies such Angular and HTML5;Designing and developing database components and software modules for software products;Extending MS Windows services ...

C# Dot Net Software Developer with Fixed Income and FX

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
C# .NET Software Developer with FX and Fixed Income Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record of developing with C# … pricing APIs. Maintaining the company’s daily operation on the existing platforms. Essential Skills Minimum 3 to 5 years experience of Microsoft web technologies (C#, ASP.NETCore MVC) Relational database experience (SQL Server) Proactively able to build relationships with stakeholders: sales, brokers, middle office, external vendors. Ability to produce clean ...

C#.Net Developer- Brussels

Hiring Organisation
Appcast
Location
London, UK
C# .NET DeveloperBrusselsQuant Capital is urgently looking for C# .NET Developer to join our high profile client.Our client is a well known insuretech business. They are a small subsidiary of a much larger financial exchange firm.The first mission starts in with a six-to-twelve-month … developed components and processes.C# Developers must have:At least 5 years of proven track of record of software design and development.Advanced knowledge of C# and .NET platform with at least 3 years of experience.Experience with MS SQL Server.Outstanding analytical and problem-solving capabilities.Knowledge of design patterns and advanced programming ...

C#.Net Core Developer - Fintech50- Manchester

Hiring Organisation
Appcast
Location
London, UK
Tech: C#, .net core, ASP.Net MVC, Angular 5, MVC, MVC, SQL, AWS, FullstackChallenge: Develop Greenfield systems and increase functionality for existing high transaction/high traffic platforms.Firm: Global Fintech firm that specialize e-invoicing and invoice finance.Salary: 65k + Bonus + Options + Flex Working + PensionC# .Net Core … Developer – Fintech50Quant Capital is urgently looking for a C# ASP.NET MVC Developer to join our high profile client.My client is a growing global Fintech business and market leaders in the invoice finance space. They are currently expanding their development team with an additional 3 developers ...

C# Developer - Front Office Engineering Hedge Fund - London - eFinancialCareers

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

C# Backend Developer Fintech

Hiring Organisation
Appcast
Location
London, UK
Tech: C#, concurrent .NET code,TCP/IP and websockets, SQLChallenge: Greenfield Trading platform, API development, industry specific challengesFirm: Well-known Commodity Trading Software Firm, City of London, 40 man flat Dev TeamPay: 80k, 20% Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingC# Backend Developer FintechQuant is urgently looking for a junior and senior C# Software Engineer to join our high profile client.Current challenges greenfield trading platform development and Integration to other platformsOur client is a well known commodity trading platform.The environment is that of Facebook or Google, relaxed open with time ...

C# Developer: Build Robust Cloud Apps

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Duration: 18 month Location: Brussels, BelgiumIndustry: Consultancy & AdvisorySalary: Competitive (dependent on experience)OverviewWe are seeking a Functional Analyst to bridge business objectives and de c# DevOps EngineerLocation: ZugDuration: 6 monthsStart date: June/July 2026Key ResponsibilitiesLead the migration from multi-repositories to a unified monorepo, including consolidation of GitLab ...

C# Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Cloud Architect Industry: Automotive Location: London About the Role: As a Cloud Architect and a vital member of our team, you will be responsible for designing, implementing, and ERP Transformation PMO Specialist (Senior Consultant – External ...

C# .NET FinTech Developer — FX & Fixed Income

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
fast-growing dynamic brokerage firm in London seeks a C# .NET Software Developer to re-architect and build their middle office platform. The role requires 3-5 years of experience with Microsoft web technologies and SQL Server, with a strong emphasis on relationship building in a fast ...

C# backend Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Senior Back End Engineer C#/Java | Front Office Trading | AWS | Distributed Systems Location: London Hybrid: 3 days in the office We're partnering with one of the world's leading financial markets technology firms as they continue investing heavily in their electronic trading platforms. This is an opportunity … architects and principal engineers building business critical trading systems that process high volumes of transactions in real time. Although the team primarily develops in C#, they are very open to experienced Java backend engineers looking to transition into .NET. What you'll be doing Building high performance backend trading ...

C# Front Office Trading Developer (Contract) - Hybrid London

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
Vertus Partners, based in London, seeks a contract C# Desk Developer to join front office trading technology supporting a rates trading business. You will work closely with traders and technology teams to enhance core tools and move tactical solutions toward a scalable long‐term architecture. This desk ...