1 to 25 of 26 C# Software Engineer Jobs in London

Senior Software Engineer/Developer (C# Python AI) London/WFH to 100kAre you a Senior Software Engineer with C# and/or Python coding skills combined with a strong knowledge of software engineering best practices and system … week, with flexibility to work from home the other two days. About you: You have strong backend software engineering skills, with C# and/or Python (or both!)You have a strong knowledge of Computer Science fundamentals such as OOP, multithreading, Design Patterns and are comfortable with ...

Backend Software Engineer/Developer (Python C# AI) London/WFH to 100kAre you a Backend Software Engineer with Python and/or C# coding skills combined with a strong knowledge of software engineering best practices and system … with flexibility to work from home the other two days. About you: You have strong backend software engineering skills, with Python or C# (or both!)You have a strong knowledge of Computer Science fundamentals such as OOP, multithreading, Design Patterns and are comfortable with system designYou understand ...

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 ...

Principal Software Engineer/Developer (C# .Net AWS Python) London/WFH to 120kWould you like to join a growing and profitable scale-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence … About you: You are an experienced Software Developer/Engineer with a strong knowledge of modern best practiceYou have strong C# backend development skills, ideally also Python coding skillsYou have a good knowledge of AWSYou have experience of working on highly scalable systemsYou have ...

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 ...

Contract Software Engineers C# & C++ (Linux) Near Wimbledon, London | 6 months | Inside IR35 Were hiring two separate contract engineers to work on hardware-integrated software projects: Contract C# Software Engineer (Windows) C#/.NET Windows desktop applications (Windows Forms …/IP, UDP Hardware/physical product interfacing On-site 3 days per week (initially full-time on-site) Contract C++ Linux Software Engineer (Embedded) Strong C++ on Linux Embedded software experience Networking (TCP/IP, UDP) Build systems (OpenEmbedded/BitBake desirable) Hybrid ...

Junior Software Engineer Hedge Fund C#Up to 55,000Quant Capital is urgently looking for a Junior C# Software Engineer to join our high profile client. Our client is a well known global High Frequency Trading firm. They value technology especially … offered an almost unlimited budget and the ability to make the right decisions in a non-bureaucratic environment. This role is a Junior C# Developer sitting on a Systematic trading desk. Trading experience is NOT required. This position requires close collaboration with their other software engineers ...

C# Software Engineer – Quant RiskUp to 110k + 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 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 ...

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 ...

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# Full Stack Software Engineer – Fintech85,000 Plus 10% BonusRemote Working 2 days per month in the officeQuant Capital is urgently looking for a Junior C# Full Stack Developer to join our high profile client. My Client is a well known global … 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 ...

Contract Software Engineers C# & C++ (Linux) Near Wimbledon, London 6 months Inside IR35 Were hiring two separate contract engineers to work on hardware-integrated software projects: Contract C# Software Engineer (Windows) C#/.NET Windows desktop applications (Windows Forms ...

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 ...

Tech: C#, Multithreading, Grindgain, Linq, SQL, Winforms Challenge: Greenfield Trading platform, API development, industry specific challenges Firm: Well-known Fintech Trading Platform Vendor, City of London, 30 man flat global Dev Team Pay: 80k, Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingC# Software Engineer – MultithreadingQuant 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 ...

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 ...

develop solutions that meet business the business requirements. Develop Java Services integrated in the end to end processing of the derivative products Build C#/WPF and JavaScript front-end desktop applications to interface with the Java services Build a stable, efficient, scalable cloud based solution which will … across North America, EMEA, APAC etc.) while influencing and contributing towards the development of the global platform Preferred qualifications, capabilities, and skills Knowledge of C#, WPF & .NET, ReactJS and Javascript. Experience with AWS, Kubernetes, Docker or other Cloud technologies Business knowledge of simple derivative products (vanilla options, variance swaps ...

## 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 ...

Howden Group is seeking a Software Engineer to join our agile team. You'll develop front-end applications using C#, .NET 8+ and Blazor, delivering scalable, secure, and user-friendly solutions on Azure with serverless patterns. This remote-first role allows monthly face-to-face ...

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 ...

J.P. Morgan is seeking a Lead Software Engineer in London to join the Equities Derivatives Front Office Flow Technology Team. You will contribute as a core technical member to build and automate pricing, quoting and market-view applications for internal traders and sales, while expanding ...

Role Overview ICRV are seeking an exceptional Principal Engineer to own the architecture, design and hands‐on delivery of a desktop platform automating and streamlining trading desk workflows. This is a high‐visibility player‐coach role that may evolve to include formal people management. Role Responsibilities … hour, multi‐region trading operations (follow‐the‐sun handover, timezone‐aware processing across London/New York/Singapore). 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 ...

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 ...

consists of a dedicated team that executes complex, multi-leg synthetic strategies on behalf of institutional clients.Role OverviewICRV are seeking an exceptional Principal Engineer to own the architecture, design and hands-on delivery of desktop platform automating and streamlining trading desk workflows. This is a high-visibility player … 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 ...