1 to 25 of 27 C# Software Engineer Jobs in London

Contract C# Software Engineer Near Wimbledon 6-month contract Software Engineer role developing C# Windows applications that interface with hardware. This role is inside IR35 and requires on-site work 3 days per week (full time for the first … weeks). C# Software Engineer skills required - Good analytical skills and experience of code and design review for large projects. Experience of multi-threaded and distributed applications, preferably with an understanding network of protocols. Strong Experience in developing Windows desktop applications in C# Interfacing ...

Backend Software Engineer/Developer (C# .Net AWS Python) London/WFH to £100k Would you like to join a growing and profitable start-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal … experienced Software Developer/Engineer with a strong knowledge of modern best practice You have strong C# backend development skills, ideally also Python coding skills You have a good knowledge of AWS You have experience of working on highly scalable systems You have a strong ...

C# Software Engineer 100,000 Plus BensRemote FirstQuant Capital is urgently looking for a C# Software Engineer for our high profile investment management vendor. Our client is a well known global broker across a number of asset classes. They provide … SDLC tools and processes available to you. The current Tech stack consists of a low latency back end with components written in C++, C# and Java. There are feed handlers (BPIPE, Refinitiv RFA, FIX, WebSocket etc) to capture real-time data from external venues. The front ...

C# Software Engineer 100,000 Plus BensRemote FirstQuant Capital is urgently looking for a C# Software Engineer for our high profile investment management vendor. Our client is a well known global broker across a number of asset classes. They provide … SDLC tools and processes available to you. The current Tech stack consists of a low latency back end with components written in C++, C# and Java. There are feed handlers (BPIPE, Refinitiv RFA, FIX, WebSocket etc) to capture real-time data from external venues. The front ...

London, Greater London | £85k - £100k per year C# Software Engineer/Developer London/WFH to £100k Are you a technologist C# Developer seeking an opportunity to work on complex and interesting systems with continual learning and development opportunities? You could be progressing your … career in a senior, hands-on role at a tech driven, global Asset Manager with multiple billions of dollars under management. As a C# Software Engineer you will join a small team to design and develop new features and enhancements to the client portal ...

Lead C# Software Engineer 110k + BensQuant Capital is urgently looking for a Lead C# Developer to join our high profile client.70% Development 30% Management. This is a head of development role for a team of 6 reporting to a global head of technology. … Computer Science (or other STEM major with relevant experience)Strong software analysis, design and development skillsMin 5 years professional experience in C#, Python, C++ or JavaKnowledge of relational databases and SQLExperience in or serious interest in finance and capital markets. This role suits someone from a software ...

C# Full Stack Software Engineer – Fintech85,000 Plus 10% BonusRemote Working 2 days per month in the officeQuant Capital is urgently looking for C# Full Stack Developer to join our high profile client. My Client is a well known global (yet not too corporate … will be high. There will be a need to assimilate a lot of information quickly during the in sourcing period. Day to day the C# Software Developer will be: Working on the assigned user storiesFull Stack software application developmentWriting quality code following best practicesWriting unit ...

Backend Software Engineer/Developer (C# .Net AWS Python) London/WFH to £100k Would you like to join a growing and profitable start-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal … influence and progression? As a Backend Software Engineer you will architect and build highly performant and scalable solutions using the Microsoft tech stack and SO click apply for full job details ...

C# Software Engineer – Quant RiskUp to 110,000 + BonusQuant Capital is urgently looking for a C# Developer to join our high profile client. Our client is a well-known leading provider of integrated risk, analytics and trading solutions for the global financial markets. … Computer Science (or other STEM major with relevant experience)Strong software analysis, design and development skillsMin 2 years professional experience in C#, Python, C++ or JavaKnowledge of relational databases and SQLExperience in or serious interest in finance and capital markets. This role suits someone from a software ...

Software Engineer 6 Month Contract Initially London - 3 days a week onsite £800 - £850 per day - Umbrella A leading Asset Management Firm is searching for a Software Engineer to join them on an interim basis. You will work in the teamresponsible … standards, security, performance, and operational stability. Mentor engineers and support technical decision-making across teams. Manage technical debt, platform upgrades, and vulnerability remediation. Technologies C#/.NET, Microsoft Azure Snowflake Data engineering and integration platforms CI/CD and DevOps Infrastructure as Code Automated testing Agile delivery Desirable Python ...

Client Server Limited in London is seeking a skilled C# Software Engineer to join a small, client-focused team. You will design and develop features for the client portal and KYC systems, and take ownership from scoping to delivery. The role offers a hybrid work ...

Tech: C#, SQL, MVC, WPF, .net coreChallenge: Greenfield Insurance platform, API development, industry specific challengesFirm: Well-known Insurance Trading Platform Vendor, City of London, 30 man flat global Dev TeamPay: 80k, Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingC# Software Engineer Quant … Capital is urgently looking for a C# Developer to work for our high profile Lloyds of London insurer. This is an opportunity for an individual with a strong software development background. The applicant will be responsible for design, development and maintenance of my clients main pricing analytical ...

Redline Group in Uxbridge is seeking a Senior Software Engineer to develop robust C#/.NET applications and RESTful APIs for next‐gen instrumentation products. You will join a motivated engineering team and contribute to design, coding and debugging across multiple software languages. … ideal candidate has strong C#/.NET experience, VB, SQL and Visual Studio expertise, and a solid grasp of software development methodologies. This role offers hands‐on coding in a dynamic environment. #J-18808-Ljbffr ...

looking for a Senior Software Engineer to join our global team to be responsible for the quality, development, and execution of our software products. You will be part of a technology department that is comprised of a successful and multidisciplinary group of professionals located … related field 8+ years of experience in software development, with a focus on building scalable and reliable systems Extensive knowledge of DotNet C#, LINQ, MS SQL, Entity Framework and related technologies Capable to use version control software such as GIT Knowledge of SOLID principles Knowledge ...

building the first global data-driven last-mile network that has the potential to solve industry-wide problems. We’re hiring a Senior Software Engineer who treats software as a craft, not a checklist. You’ll join a small, high-trust team where ownership … Work outside strict role boundaries when needed, without feeding burnout culture Communicate technical decisions clearly and push back constructively when required Core technical skills C#/.NET 8+ , Entity Framework Core, async/await, MediatR/CQRS Strong understanding of distributed systems : consistency models, event-driven patterns, idempotency, race ...

working with a highly successful buy-side investment manager that's investing heavily in software engineering, data platforms and AI as part of a firm-wide technology transformation. They're looking for a Senior Software Engineer to join a small, high-performing team where … while exploring agentic workflows across the organisation. What You'll Be Working On Designing and building full-stack applications and internal business platforms using C#/.NET Developing APIs, integrations and cloud-native solutions across Azure Building and maintaining Azure SQL and ETL/ELT data pipelines Modernising reporting ...

Digital is seeking a Software Engineer to join its London-based, on-site team. You will design, build, and maintain C#/.NET production code and SQL Server-driven components, with core logic living in the database. Expect close collaboration with the Founder ...

Staff Software Engineer, Liquidity Management (C#/.NET) London, UK At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments … design Knowledge of observability: logging, metrics, tracing, and alerting strategies Experience with microservices deployment patterns and service mesh concepts Core Technologies: Deep expertise with C#/.NET Expert in relational databases (SQL Server ideally), including query optimization, indexing strategies, and data modeling Experience building and maintaining RESTful APIs ...

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#, Core MVC ) Relational database experience (SQL Server) Proactively able to build relationships with stakeholders:- sales, brokers, middle office, external vendors. Ability to produce clean ...

Role Purpose We are seeking a highly experienced Principal Software Engineer to provide technical leadership across our technology function, driving the design, delivery, and continuous improvement of enterprise applications and digital services. This is a senior hands-on role for an individual who combines deep technical … design and architecture of scalable, secure, and resilient enterprise applications, ensuring alignment with business and technology strategies. Drive Technical Leadership – Define and champion software engineering standards, architectural patterns, best practices, and reusable frameworks across the engineering community. Own Delivery Outcomes – Lead complex technology initiatives from concept through ...

Source Technology Limited is seeking a Software Engineer for a six-month contract in London. The role is 3 days per week onsite, with a daily rate of £800–£850 (umbrella). You will design scalable applications and data solutions across client onboarding to reporting, delivering ...

goal is to drive efficiency, speed up transactions, reduce risk, and improve the end-customer experience. Our platform is built on a proven C# and .NET foundation, and we’re building what comes next on top of it. That means new frontier AI capabilities in TypeScript, sitting alongside … C# estate we’re actively evolving for the next era. The interesting challenge isn’t just being productive in both stacks, it’s knowing when each is the right tool and keeping the whole system coherent as our product grows. If you are passionate about how software ...

ICAP Group Services Ltd is seeking a Software Engineering Team Lead in London to manage a talented team delivering critical software for internal broking. You will work collaboratively in an Agile environment from design to implementation, ensuring quality and timely delivery of solutions. The ideal candidate ...

seeking a skilled IT professional to develop and maintain user software applications tailored for Commodities Markets. Candidates should possess extensive experience in C#/.NET development and a strong understanding of financial markets. The position requires working closely with front office teams, providing essential support and contributing ...

Greater London, UK. The role involves designing and maintaining scalable systems, implementing quality solutions, and participating in Agile practices. Key qualifications include expertise in C# and .NET Core, proficiency in Agile methodologies, and a relevant degree or certification. The company offers extensive learning programs, extensive employee benefits including free ...