1 to 25 of 34 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 ...

Junior C# Software Engineer – Quant RiskUp to 80k + BensQuant 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. Their … Computer Science (or other STEM major with relevant experience)· Strong software analysis, design and development skills· Min 2 years professional experience in C#, Python, C++ or Java· Knowledge of relational databases and SQL· Experience in or serious interest in finance and capital markets.This role suits someone from ...

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 ...

C# Software Engineer – Greenfield Trading Platform London – Hybrid 3:2 Up to 80,000 + bonusOur client is a London-based hedge fund and proprietary trading firm. This is a new team comprised of seasoned traders and developers with long tenure in the business. This … trading product suite. Collaborate with traders and operations to streamline post-trade processes. Requirements: 2–3 years' experience in financial services or capital markets. C# development skills. SQLUnderstanding of trading workflows and financial products (options, futures, etc.).STEM degree from a top-tier university. Curious, hands-on, and eager ...

C# Software Engineer – Greenfield Trading Platform London – Hybrid 3:2 Up to 80,000 + bonusOur client is a London-based hedge fund and proprietary trading firm. This is a new team comprised of seasoned traders and developers with long tenure in the business. This ...

Tech: C#, SQL, ASP.NET, WinformsChallenge: Greenfield Trading platform, API development, industry specific challengesFirm: Well-known Fintech Trading Platform Vendor, City of London, 30 man flat global Dev TeamPay: 50k, Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingJunior C# Software EngineerQuant Capital is urgently … looking for a C# Developer to work for our high profile investment management vendor.Our client is a well known global wealth management HFT software business. They provide valuations and pricing of derivatives to most of the buy side.This is an opportunity for an individual with a junior ...

C# or C++ Software Engineer Up to 80,000Quant Capital is urgently looking for a C# 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. Their … 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 ...

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 ...

Junior C# Full Stack Software Engineer – Fintech50,000 plus BensRemote WorkingQuant Capital is urgently looking for a Junior C# Full Stack Developer to join our high profile client.My Client is a well known global (yet not too corporate) financial software (fintech) business … must have:We are looking for potential rather than hardcore skills.· Comp Sci degree or similar experience· Some commercial software development experience· C# ASP.Net/.Net Core/MVC· An interest in Angular/React/Blazor SPA· Advance SQL· Git/BitbucketThe Culture of the firm ...

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 ...

## Principal Software Engineer - C#Applylocations: Londontime type: Full timeposted on: Posted Todayjob requisition id: R5616The TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution … hour, multi-region trading operations (follow-the-sun handover, timezone-aware processing across London/New York/Singapore)Technical:* Expert-level C#/.NET (LTS): back-end services with ASP.NET Core.* Experience designing and delivering event-driven, service-oriented back-end systems (message brokers, async workflows, API design ...

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 ...