1 to 25 of 27 C# Developer Jobs in London

C# Developer Remote Outside IR35 A client is looking for a seasoned C# Developer to join their development function and contribute to a significant internal programme of work. Working as part of the software development team, you ll partner closely with senior stakeholders … produce high-quality, efficient code that supports core business systems. Responsibilities of the C# Developer: Produce well-structured and clearly documented C#/.NET code. Contribute across the full software lifecycle on greenfield, end-to-end projects. Collaborate effectively with cross-functional teams in a fully ...

C# Developer | Remote | Outside IR35 A client is looking for a seasoned C# Developer to join their development function and contribute to a significant internal programme of work. Working as part of the software development team, you’ll partner closely with senior stakeholders … produce high-quality, efficient code that supports core business systems. Responsibilities of the C# Developer: Produce well-structured and clearly documented C#/.NET code. Contribute across the full software lifecycle on greenfield, end-to-end projects. Collaborate effectively with cross-functional teams in a fully ...

Senior C# Developer/Backend Software Engineer (C# .Net) London onsite to £150k Are you an experienced backend focussed C# Developer? You could be progressing your career in a senior, hands-on role at a global Sports Trading business, earning substantial bonuses. … Senior C# Developer within the trading engine team, you'll collaborate to design and develop real-time trading systems, you'll often be collaborating with the strategy team on Greenfield projects which you'll take ownership of and will see the business impact of. There ...

Senior C# Developer Location: London (Fully Onsite) Employment Type: Permanent Salary: £50,000 - £60,000 (DOE) Visa Sponsorship: Not available We're working with a London-based organisation that is looking to hire an experienced Senior C# Developer to join their engineering team … ideal for someone who enjoys hands-on development, working closely with the business, and taking ownership of complex systems. The Role As a Senior C# Developer, you'll be responsible for designing, developing, and maintaining business-critical applications built on C#/.NET and SQL . ...

C# Developer/Software Engineer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. … C# Developer you'll collaborate with a team of highly intelligent technologists and finance professionals to develop algorithmic trading systems working with a modern tech stack, with opportunities for technical ownership from day one. You'll partner with Quant teams to help architect valuation, risk and pricing ...

C# Developer/Backend Software Engineer C# .Net AWS (Junior - Mid) London to £80k Are you a bright, ambitious C# Developer who enjoys collaborating and working on complex systems with cutting edge technology? You could be progressing your career at a highly profitable … that invests in sports betting markets whilst enjoying a range of perks and benefits including hybrid working and a sociable team environment. As a C# Developer you'll join a cross functional Agile product team responsible for high-value business critical betting execution systems. ...

Senior C# Developer/Backend Software Engineer (C# .Net) London onsite to £150k Are you an experienced backend focussed C# Developer? You could be progressing your career in a senior, hands-on role at a global Sports Trading business, earning substantial bonuses. … Senior C# Developer within the trading engine team, you'll collaborate to design and develop real-time trading systems, you'll often click apply for full job details ...

Senior C# Developer Location: London (Fully Onsite) Employment Type: Permanent Salary: £50,000 - £60,000 (DOE) Visa Sponsorship: Not available We're working with a London-based organisation that is looking to hire an experienced Senior C# Developer to join their engineering team ...

orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. C# Developer (Architecture Focused) London, 3 days per week on site required 6-month initial contract £400.00 via umbrella per day The Opportunity … looking for a senior C# Developer with a strong architectural focus to join a highly skilled engineering team working on business-critical systems at scale . This role sits at the heart of a major technology estate and offers the chance to modernise legacy platforms , shape technical ...

C# Developer - Risk IT - sought by leading investment bank based in London - Contract - Hybrid inside iR35 What You'll Be Doing Designing and developing enterprise-grade solutions in an Agile team. Building and maintaining middleware services using C# , REST APIs , FIX messaging , XML , and Microservices click ...

Senior Full‐Stack C# Developer/Team Lead – London (Hybrid) **Guide salary circa 130-170k + bens/bonus – Commodities trading background is essential** A leading global trading business is expanding its London technology team and is looking for a lead developer to help … supporting developers across the full SDLC Experience required: Circa 10+ years’ software development experience, ideally with recent team‐lead responsibilities Strong full‐stack expertise: C#, .NET 8+, Angular 16+, Typescript, SQL Server, REST APIs Experience with NHibernate/Entity Framework, Git, Jira, Confluence Ability to navigate complex multi‐system ...

Sr. Full Stack Developer - Asset Management Firm - London/Manchester (Hybrid) - Basic salary of up to £85,000 + Bonus and Additional Benefits package Hays are currently working exclusively with a leading asset management firm assisting them in the recruitment of an experienced Full Stack Developer … Annual bonus of between 10% and 25%, depending on personal and company performance. Desired Skills and Experience Software, Developer, Asset Management, AML, C#, .NET, .NET Core, angular, UI, Front End, Azure, SQL Server, Financial Services, Lead Developer, Senior Developer Hays Specialist Recruitment Limited ...

Global bank based in Canary Wharf. Role - C# Developer - Desktop Applications Duration - 6 months with likely extension Rate - £415 p/d (inside IR35) Location - Hybrid/Canary Wharf Tech Stack C# WPF Winforms SQL Oracle Tasks Tasks range from understanding business requirements, designing application structures ...

Software Developer/Engineer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. As a Software Developer … discipline from a top tier university (i.e. Russel Group or top 100 global university), backed by A grades at A-level You have advanced C# .Net programming skills including .Net Core (will also consider Java, Python or C++ background if happy to use C# going forward) You have ...

C#/.Net Software Developer Banking London £40-55k This is a new and exclusive opportunity for a bright C#/.Net Software Developer to join my thriving investment banking client as they are expanding their C#/.Net Software Development team … Role details Title: C#/.Net Software Developer Employer: investment bank Location: London City Liverpool street station hybrid working 50/50% in office and home working Permanent role- salary £40,000- £55,000 Requirements: C#/.Net software, platform integration, SQL This ...

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# Full Stack Developer – Microsoft Stack | Hybrid Working Location: [Reading] Remote Salary: £60k - £80k doe Contract: Permanent We’re hiring multiple .NET Developers to join an ambitious tech-driven business building a brand-new financial platform from scratch. Work with modern tech, solve real engineering problems … help shape a next-gen product that makes complex risk management simple. What you’ll do Build and enhance financial applications using .NET, C# and Azure Develop fast, scalable APIs & microservices Work across front-end (Angular/React/Vue) and back-end Collaborate with a friendly, high-performing ...

Senior C# .NET Developer React, AZURE, Elastic, CouchDB/NoSQL Hybrid ( 1 day a week in office, 4 days WFH) Established, profitable company. Join a team of x5 Devs (all long term employees) - hiring x3 more. Scalable B2B online booking & pricing system. Currently receives up to 120M … functionality Work with others to design new architecture Re-factor Full Stack 80% back end/20% Front Skills required: Advanced skills with C# .NET Microservices, AZURE serverless, NoSQL Essential you have worked on high transactional scalable solutions (eCommerce, Payments - anything with high data transactions) Equipped to work within ...

Senior C#. NET Developer Location: London (Hybrid) Contract: 6 months IR35: Inside IR35 Our client, a leading global investment bank, is looking for an experienced C#. NET Developer to join their team on a 6-month contract. This role is pivotal in modernising and supporting business ...

Tier 1 Bank - .NET CORE/React/Banking/Architecture Role - C# Developer/.NET Core Duration - 6 months with very likely extension Location - Hybrid/Canary Wharf - 3 days per week in a Canary Wharf office Rate - £415 p/d inside IR35 Tech Stack … C# .NET Core SQL/Oracle React/Typescript Role Deliver, modernise, and support business-critical applications, frameworks and services across our stack (.NET Framework/.NET Core, HTML/CSS/TypeScript/React, Python, SQL Server, Oracle). The role focuses on refactoring legacy systems to reduce ...

C#.NET Developer – Financial Systems Developer Ref: YC46978 A leading Japanese IT company with a central London office is seeking a C#.NET Developer for its Financial Systems Team. They welcome candidates with knowledge of banking, securities, or insurance operations, and experience developing with C#.NET. Ideal … experience Start Date: Negotiable Working Hours: Monday to Friday, 9:00–17:00 Location: Central London (Hybrid) WORK STYLE: Hybrid style Financial Systems Developer Main Responsibilities: • Develop, maintain, and enhance financial systems (banking, securities, insurance) • Develop applications using C#.NET • Design, manage, and optimise databases such as SQL Server ...

C# Oracle PL/SQL Developer for Tier 1 bank in Canary Wharf Role - C#, Oracle, PL/SQL Developer Duration - 6 months with very likely extension Location - Hybrid/Canary Wharf - 3 days per week in a Canary Wharf office Rate … Inside IR35) Tech Stack C# Oracle PL/SQL Data Lineage Documentation Role Primary responsibility will be to reverse-engineer complex source code to document data flows and transformations. You will collaborate closely with application teams, DBAs, and data governance specialists to ensure that lineage artifacts are complete ...

Senior Developer - Full-Stack (C#, .NET, React, Azure) Location: Hybrid - London (1 day per week/fortnight onsite)Salary: Competitive up to £80000 + Excellent BenefitsType: Permanent Are you an experienced Senior Developer with strong full-stack skills and a passion for modern cloud technologies … solving problems, collaborating effectively, and taking ownership of your work. You'll bring: Proven experience delivering digital products using agile methodologies. Strong expertise in C#, .NET, React and Azure. Additional skills across JavaScript, HTML/CSS and Azure PaaS (Functions, Logic Apps, Cosmos DB, App Service, Service Bus). ...

will develop and consolidate systems, write software, guide a team of developers, and take ownership of several critical platforms. This includes an in‐house C# PnL and Risk system that performs real‐time portfolio valuation, alongside other components that will be integrated into a cohesive, modernised core platform. … date) accounting reconciliations Particular interest in candidates with Fixed Income and Rates experience Technical Skills Strong computer science fundamentals Hands‐on development experience in: C# and .NET (essential for this role) Python within quant or data environments The client will also consider exceptional engineers from other OOP backgrounds such ...

work to owning the analytics infrastructure that shapes how an entire research organization sees its performance. What You'll Own: Production reporting tools in C# and React used across all desks Analytical dashboards that turn performance data into trading insights The platform roadmap - you decide what gets built next … firm scale fast What You Bring: Experience 3+ years building production software Background in quantitative finance or trading environments preferred Technical Skills C# and Python React ...