26 to 50 of 55 C# Developer Jobs in London

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

Job Description Senior Technical Java and C# .net Software Developer We are currently recruiting a Java with C# .net Senior Software Developer - who can be the lead in the team. You must have at least 5 to 7 years proven track record of developing … software with Java and C# .net framework coupled with SQL Server. Ability to own and drive forward Omni channel technical solutions and technical architecture from an IT perspective (with direction from Head of IM, Consumer & Brands) o Ownership of FM Digital Technical architecture including the ongoing review of overall … tactics associated with the designs. Role-specific knowledge: • 5+ years of senior technical lead. • 5+ years of strong hands-on experience as a developer working on JAVA or .NET Framework standards and technologies - C#.NET, ASP.NET, AngularJS, SQLServer, Web Services, Cloud Platforms, AJAX, JQUERY, XML/JSON, HTML, CSS More ❯

Job Description Software Developer with C# .Net SQL Server and RPG Role Description This is a full-time hybrid role based in London, offering flexibility for remote work. As a Software Developer with expertise in C# .NET, SQL Server, and RPG, your responsibilities will … would like you to have a background in working for a bank working on Core Banking systems along with BAU and developing solutions in C# .net coupled with excellent SQL Server SSIS and RPG. Qualifications Proficiency in C# .NET, SQL Server, and RPG programming languages Experience in software More ❯

Job Description Senior Backend Developer with C# .net Framework Working as part of the Digital team, you'll be responsible for the ongoing development and improvements to an eCommerce website as well as other internal applications for this award-winning Travel Company. You will be responsible for … Leading the eCommerce web and application development from a technical perspective Collaborating with the front end developer and design resource to deliver improved UI & UX A problem solver - you'll need to be able to analyse and suggest improvements to existing website features Analysing and identifying ways … to automate processes working alongside the business lead Implementing automated regression testing for the software developed Skills and Experience: Excellent working knowledge of ASP.NET, C#, HTML, JavaScript, jQuery, React Framework, MS SQL Server, Mongo DB, Elasticsearch Understanding of SOLID development principles Worked previously on projects using the Umbraco CMS More ❯

Job Description C# .NET Software Developer with FX 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 trach record of developing with C# .NET …/tradeflow and pricing APIs. Maintaining the company's daily operation on the existing platforms. Essential skills :- Minimum 3 years experience Microsoft web technologies ( C#, ASP.NET Core MVC ) Relational database experience (SQL Server) Proactively able to build relationships with stakeholders:- sales, brokers, middle office, external vendors. Ability to produce More ❯

Lead Full Stack Developer - React/C# - Azure API -Node JS Skills Requirement You must have proven experience of leading a team. This role will be both hands on/Hands off. Solid communication to stakeholders essential . Event-sourcing experience (writing tooling) API - Able to write More ❯

MTHS CONTRACT ! Outside IR35 Full Stack Developer - React/C# - Azure API - Node Skills Requirement Event-sourcing experience (writing tooling) API - Able to write/deploy and interact with it API layer concerns Host/Handle Caching Content delivery network Deploy Apps using serveless tools Azure Interviews More ❯

Role - Full Stack Developer Type - Fixed term contract (3 - 6 months) Rate - £65,000 - £70,000 per annum, pro rata Location - Hybrid, 50% of the month in the office (London, Victoria) Spec - PURPOSE OF POST: To design software solutions To work closely with business analysts and translate business … field Proven experience as a Full Stack Developer, with a focus on both front-end and back-end technologies Strong proficiency in C# .NET 8, Blazor, Azure SQL Server, Azure B2C, Terraform, CI/CD, Azure Dev Ops. Good understanding of modern web applications and modern technologies. More ❯

Job Description 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# .NET. The Client would like meet candidates ideally with some understanding Trading Floor projects to include Fixed Income, Risk Management, Swap Options and FX. You need to be resilient as you will be working closely with traders and developing financial trading systems so an understanding of FX instruments … 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.NET Core MVC ) Relational database experience (SQL Server) Proactively able to build relationships with stakeholders:- sales, brokers, middle office, external vendors. Ability to produce More ❯

Senior Client Developer (Unity C#) Join Offroad Games, a fresh, London-based game studio founded by ex-Space Apes Games. We’re running two live games and tackling exciting technical challenges. You’ll be right in the action, working closely with the team on Chrome Valley Customs … at least one launched mobile title. Strong teamworking skills but also can work independently on tasks with minimal guidance. Be a flexible game developer and be ready to give feedback and suggestions on anything we create. Have the drive to make fun and engaging game mechanics with great More ❯

Our Banking Client is seeking to recruit a C# .NET Developer with proven experiened in Windows application development, on an initial 6 month contract to be based in London (hybrid, 3x days per week onsite). Tasks/Responsibilities: - Understanding business requirements, designing applications, business data analysis … Quality Assurance (QA), Production and Disaster Recovery environments. Supporting users and writing operation documents including User Helps (manuals) will also be required. Tech Stack C# WPF Winforms SQL Oracle More ❯

Job Description Backend Developer (Umbraco) - Senior-level Working as part of the Digital team, you'll be responsible for the ongoing development and improvements to an eCommerce website as well as other internal applications for this award-winning Travel Company. You will be responsible for: Leading the eCommerce … web and application development from a technical perspective Collaborating with the front end developer and design resource to deliver improved UI & UX A problem solver - you'll need to be able to analyse and suggest improvements to existing website features Analysing and identifying ways … to automate processes working alongside the business lead Implementing automated regression testing for the software developed Skills and Experience: Excellent working knowledge of ASP.NET, C#, HTML, JavaScript, jQuery, React Framework, MS SQL Server, Mongo DB, Elasticsearch Understanding of SOLID development principles Worked previously on projects using the Umbraco CMS More ❯

Job Description Front and Backend C# Dot Net Javascript Software Developer with Umbraco Our Client is an established leader in the travel industry. They are looking to recruit a Full Stack Dot Net Software Developer to work on a major transformation programme for this award … house resources and/or third party suppliers Ability to design and architect technical solutions to complex business problems Full Stack development experience (ASP.NET, C#, HTML, CSS, JavaScript, JQuery, ReactJS, AngularJS, MS SQL Server) CMS experience e.g. with Umbraco - experience of Umbraco would be a plus Continuous Delivery skills More ❯

Quantitative Developer - Execution Technology (C#) London Qube Research & Technologies (QRT) is a global quantitative and systematic investment manager, operating in all liquid asset classes across the world. We are a technology and data driven group implementing a scientific approach to investing. Combining data, research, technology and trading … code. Highly collaborative environment, where time to market is key and user feedback is immediate. A minimum of 5 years of experience as a C# software engineer. Experience developing trading software is a must. Designing clean and maintainable software architecture with a focus on performance. Front-end development experience More ❯

Senior C# & React Full Stack Developer | ⚡ Front Office Trading House | 💷 £140,000 + Bonus | 🏙️ London | 🧑‍💻 3 Days in Office A London-based Hedge Fund is on the lookout for a Senior Full Stack Developer with strong React (Front End) and C# (Back End) skills … team building software used both internally by traders and externally as a SaaS product Leverage the latest tech in a modern, agile environment: React.JS , C# , TypeScript , CI/CD , DevOps 💰 Compensation : £140,000 base salary + strong bonus 📍 Location : Central London (Hybrid – 3 days in-office ) 📈 Impact : Direct exposure … to trading strategies , real-time systems , and mission-critical apps. 🔧 Tech Stack & Requirements: ✅ 6+ years of hands-on coding in C# and React 🎯 Experience designing modern event-driven UIs 🧠 SQL Server/MongoDB/PostgreSQL (or similar) 🛠️ Strong grasp of CI/CD pipelines and Agile delivery 🌐 Skilled in More ❯

Senior C# & React Full Stack Developer | ⚡ Front Office Trading House | 💷 £140,000 + Bonus | 🏙️ London | 🧑‍💻 3 Days in Office A London-based Hedge Fund is on the lookout for a Senior Full Stack Developer with strong React (Front End) and C# (Back End) skills … team building software used both internally by traders and externally as a SaaS product Leverage the latest tech in a modern, agile environment: React.JS , C# , TypeScript , CI/CD , DevOps 💰 Compensation : £140,000 base salary + strong bonus 📍 Location : Central London (Hybrid – 3 days in-office ) 📈 Impact : Direct exposure … to trading strategies , real-time systems , and mission-critical apps. 🔧 Tech Stack & Requirements: ✅ 6+ years of hands-on coding in C# and React 🎯 Experience designing modern event-driven UIs 🧠 SQL Server/MongoDB/PostgreSQL (or similar) 🛠️ Strong grasp of CI/CD pipelines and Agile delivery 🌐 Skilled in More ❯

Job Title : Software Developer Client : Elite Scaling FinTech Salary : Up to … 160k + Bonus Location : London (Hybrid) Sells : Cutting-edge tech, front office facing, technically challenging My client is looking for the top 1% of C# Software Developers to join their team! You will be instrumental in designing and building slick and complex enterprise-grade applications for the front office More ❯

Job Title : Software Developer Client : Elite Scaling FinTech Salary : Up to … 160k + Bonus Location : London (Hybrid) Sells : Cutting-edge tech, front office facing, technically challenging My client is looking for the top 1% of C# Software Developers to join their team! You will be instrumental in designing and building slick and complex enterprise-grade applications for the front office More ❯

Senior C# Developer. Front Office. Investment Management. £130,000 + 30-60% Bonus target + Benefits. 3 Days Hybrid. London. My client is a top tier investment manager that is looking for a seasoned front office C# developer that has worked on building trading platforms. If More ❯

Senior C# Developer. Front Office. Investment Management. £130,000 + 30-60% Bonus target + Benefits. 3 Days Hybrid. London. My client is a top tier investment manager that is looking for a seasoned front office C# developer that has worked on building trading platforms. If More ❯

Job Title : Software Developer Client : Elite Scaling FinTech Salary : Up to … 130k + Bonus Location : London (Hybrid) Sells : Cutting-edge tech, front office facing, technically challenging My client is looking for the top 1% of C# Software Developers with Fixed Income experience to join their team! You will be instrumental in designing and building slick and complex enterprise-grade applications More ❯

Job Title : Software Developer Client : Elite Scaling FinTech Salary : Up to … 130k + Bonus Location : London (Hybrid) Sells : Cutting-edge tech, front office facing, technically challenging My client is looking for the top 1% of C# Software Developers with Fixed Income experience to join their team! You will be instrumental in designing and building slick and complex enterprise-grade applications More ❯

approach to all problem solving, allowing the firm to scale out. Minimum Requirements: A minimum of 3 years of experience as a software engineer. C# and Python Language Experience. Experience with React/MUI/AG-Grid/ECharts. Comfortable with SQL. Ability to multitask and work in a More ❯

We are currently partnered with a leading international reinsurance business seeking a skilled C# Full Stack Developer to join their technology team based in Bermuda . This is a rare opportunity to relocate to a dynamic financial hub and contribute to high-impact software solutions within a … world-class reinsurance environment. Key Requirements: 5+ years of professional C# development experience , including substantial work in the reinsurance or insurance sector . Strong command of SQL and experience working with SQL Server . Proven web development background with Blazor and PowerBI . Experience with Julia (even limited) would More ❯

We are currently partnered with a leading international reinsurance business seeking a skilled C# Full Stack Developer to join their technology team based in Bermuda . This is a rare opportunity to relocate to a dynamic financial hub and contribute to high-impact software solutions within a … world-class reinsurance environment. Key Requirements: 5+ years of professional C# development experience , including substantial work in the reinsurance or insurance sector . Strong command of SQL and experience working with SQL Server . Proven web development background with Blazor and PowerBI . Experience with Julia (even limited) would More ❯