1 to 25 of 53 C# Developer Jobs in the UK

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/Software Engineer (C# .Net Core AWS) Sunderland/WFH to £75k Do you have strong C# .Net Core backend development skills? You could be progressing your career in a senior, hands-on C# Developer role at a growing … games/gambling site, whilst enjoying a range of benefits and perks. As a Senior C# Developer within the customer onboarding team you will help shape the player onboarding and registration journeys, including KYC and identity verifications. You'll design and develop backend features that interact with ...

Senior C# Developer/Software Engineer (C# .Net) London onsite to £150k Opportunity to progress your career in a senior, hands-on C# Developer role at a global Asset Manager with c$3 million under management. As a Senior C# Developer … strategy team on Greenfield projects which you'll take ownership of and will see the business impact of. There's a focus on C# .Net backend and API development although you'll also have elements of front end work with JavaScript and React.js. Location: You'll be based ...

.NET Developer (C#, .NET Core) – Oxford/Hybrid - £45,000-£48,000 We’re building out our in-house development capability — and we’re looking for a .NET Developer (C#, .NET Core) to join the team. You’ll play a key role in delivering … across a growing portfolio of internal systems used by our field and head office teams. As one of our new .NET Developer (C#, .NET Core) you will be responsible for: Build, enhance, and support .NET-based applications and services Develop APIs, integrations, and operational applications using C# ...

Developer C# .NET East Grinstead, West Sussex Hybrid working - 2-3 day WFH Developer C# .NET needed for a leading organisation based in East Grinstead who are looking to employ an experienced Developer with an in-depth knowledge of C#, ASP.NET … JavaScript, HTML, CSS jQuery, XML/JSON * S alary: £52,000 per annum Some of the main duties of the Developer C# .NET will include: * Produce software solutions from project specifications * Development and the provision of appropriate documentations for allocated products and projects. * Projects must also ...

Lead C# Developer/Backend Software Engineer (C# .Net) Newcastle onsite to £150k Do you have expertise with backend C# combined with strong technical leadership skills? You could be joining a well-funded Fintech scale-up that is establishing a technical centre of excellence … North East. As a Lead C# Developer/Backend Software Engineer you'll design and implement the logic behind core applications, build APIs and microservices that handle data processing, business rules and third-party integrations and oversee the configuration and upkeep of secure, reliable server environments. ...

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 ...

Front Office C# Developer - Commodities Derivatives Front Office C# Developer - Commodities Derivatives Day Rate: Up to £750/day (Umbrella) Duration: 6 months initially Location: Marylebone - London Working Arrangement: Hybrid - 3 days per week onsite We're looking for a Front Office C# Developer to join a London-based leading Global Markets business team supporting the end-to-end Commodities Derivatives tr click apply for full job details ...

Front Office C# Developer - Commodities Derivatives Front Office C# Developer - Commodities Derivatives Day Rate: Up to £750/day (Umbrella) Duration: 6 months initially Location: Marylebone - London Working Arrangement: Hybrid - 3 days per week onsite We're looking for a Front Office C# Developer to join a London-based leading Global Markets business team supporting the end-to-end Commodities Derivatives trading platform panning pre-trade, pricing, click apply for full job details ...

Lead C# Developer/Backend Software Engineer (C# .Net) Newcastle onsite to £150k Do you have expertise with backend C# combined with strong technical leadership skills? You could be joining a well-funded Fintech scale-up that is establishing a technical centre of excellence … North East. As a Lead C# Developer/Backend Software Engineer you'll design and implement the logic behind core applica... WKCL1_UKTJ ...

C# Software Developer Energy Sector Experience Essential Are you a talented C# Software Developer with proven experience delivering software solutions within the energy sector? Our client, an established software group working across energy, AI, and technology-led industries, is looking for a strong C# … able to demonstrate delivery across enterprise-scale or business-critical platforms. Key Responsibilities Develop, maintain, and enhance applications using ASP.NET MVC and C# Deliver scalable, secure, cloud-based solutions within energy-focused environments Work with Postgres and Azure SQL to optimise database performance and structure Build and maintain serverless ...

C++/C# Software Developer Permanent • Full-time • Near Northampton, UK • £45,000–£60,000 DOE Are you a skilled C++ or C# developer who wants to write software that genuinely matters? Our client builds cutting-edge security and intelligence systems used … client across a range of projects. We’re not expecting any one person to have them all. If you’re a strong C++/C# developer with some of these capabilities and a genuine interest in this field, we want to hear from you – applications from developers ...

C# Developer Role - Hybrid/Liverpool street - 6 month Contract - Banking Role - C# Developer (T/SQL, PL/SQL) Duration - 6 months with very likely extension Location - Hybrid/Liverpool Street (London) - 3 days per week in a Liverpool Street office Rate … Inside IR35) Tech Stack C# SQL Oracle Tasks Tasks include understanding business requirements, designing applications, business data analysis, programming in Visual C#.NET using both Oracle and SQL Server database, Unit testing, Quality Assurance (QA), Implementation, Production and Disaster Recovery environments supporting users and preparing documents. Along with the application ...

C# Developer 6 Month ContractLocation: London (Hybrid) Lorien's UK leading Investment banking client are currently looking for a highly skilled C# Developer to join the team on an initial 6-month contract. Commodities FX Trading Quants knowledge Investment banking/FS Willing ...

Full-Stack C# Developer (Integration Focus) 📍 Location: Telford/Hybrid 🕒 Type: Full-Time | Permanent 💼 Division: Luceco Group 💰 Salary: £55,000 – 65,000 (DOE) + 10% Bonus 🩺 Benefits: Pension plan, Private Health Care, SIPS, staff discounts & more 🔗 Tired of fixing integrations that should have been built properly … Luceco , you won’t just patch systems... 👉 You’ll build them the right way from the start . We’re hiring a Full-Stack C# Developer (Integration Focus) to design and deliver smart, scalable integrations across our ERP, APIs, and business platforms. This is more than just ...

Full Stack Developer (C#/React/Azure) Location: Coventry - Hybrid (2 days onsite per week) Salary: £60,000 - £70,000 Eligibility: Must be based in the UK - no visa sponsorship available About the Company Join a fast-moving digital team that's modernising enterprise systems …/CD tools Develop and maintain RESTful APIs and web applications Support continuous improvement by researching new tools and methods Core Tech Stack: Backend: C#, .NET Core, REST APIs Frontend: ReactJS, JavaScript, Blazor, HTML, CSS Cloud & DevOps: Azure, Azure DevOps, GIT Database: PostgreSQL/SQL Containerisation: Docker, Kubernetes (nice ...

C# Developer – Fixed Income Options London | Hybrid | Leading Options Market Maker A leading global options market maker is expanding its Fixed Income Trading team in London and is seeking a junior to mid-level C# Developer to join a high-impact, front-office engineering … enhance trading tools and systems that support pricing, execution, and research across fixed income options markets. About this role: Develop and enhance high-performance C# trading applications used by front-office teams Collaborate closely with traders and quantitative researchers to enable new trading strategies Build scalable, low-latency systems ...

Front Office C# Developer - Commodities Derivatives Day Rate: Up to £750/day (Umbrella) Duration: 6 months initially Location: Marylebone - London Working Arrangement: Hybrid - 3 days per week onsite We're looking for a Front Office C# Developer to join a London-based leading … Ensure platform stability through robust testing and release control. Follow team standards for code review, deployment and architectural governance. Essential Strong commercial experience with C# Solid SQL Server experience Background working on complex, business critical platforms Experience with commodities and/or derivatives products Organised, delivery-focused, and comfortable ...

Front Office C# Developer - Commodities Derivatives Day Rate: Up to £750/day (Umbrella) Duration: 6 months initially Location: Marylebone - London Working Arrangement: Hybrid - 3 days per week onsite We're looking for a Front Office C# Developer to join a London-based leading ...

C# Developer - Global Investment Management Firm Central London (3 days onsite/2 days remote) I'm partnering with a leading multinational investment management firm seeking a strong C# Developer to join a high-performing engineering team delivering business-critical platforms. This role requires … distributed applications Enhancing systems that model financial positions, transactions and flows Driving projects from inception through design, build, testing and release Core requirements: Strong C#/.NET development experience Advanced SQL skills (performance tuning, complex queries, data modelling) Azure cloud experience (App Services, Functions, Service Bus, DevOps etc.) Experience ...

C# Developer 6-Month Contract Location: London (Hybrid) Lorien's UK leading investment banking client are currently looking for a highly skilled C# Developer to join the team on an initial 6-month contract. Qualifications: Commodities FX Trading, quants knowledge, investment banking/FS. ...

Junior Developer | C# | SQL | ASP.NET | FX Payments Tech | London | Hybrid | up to £60k + Benefits Junior Software Developers with a focus on C#, ASP.NET and SQL are needed for our growing FinTech Client; a company that empowers some of the most respected financial institutions … that will enable the market to control costs, comply with varying global regulations and manage cashflow far more effectively than before. As a Junior C# Software Developer, if you're looking for a challenging, stimulating role where you can make a real difference, joining this team ...

Software Developer (C#/.NET/MAUI) – Southampton, Hampshire Are you a C#/.NET Software Developer looking for a role where you can build real-world products that make an impact? This is an exciting chance to join a specialist engineering team developing … take ownership while working on challenging projects. What you’ll be doing: Designing, developing, and maintaining Android, PC, and cloud-based applications Using C#, .NET, and .NET MAUI to create intuitive and reliable software Collaborating with R&D and UX/UI teams to deliver new features and improvements ...

C# .NET Developer (Azure) - Sheffield Our client based in Sheffield is looking for a skilled C# .NET Developer to join a small, collaborative engineering team working on modern cloud-based applications. This is a hands-on development role where you will contribute across … build and evolve scalable backend services and APIs that support business-critical systems. Key Responsibilities Design, develop, and maintain high-quality backend services using C# and the latest .NET technologies (.NET 8, ASP.NET Core) Build and enhance RESTful APIs to support internal and external applications Work with Azure cloud ...

gameplay ideas quickly, validate mechanics, and iterate based on player behaviour and data. You will implement core features and systems in Unity using C#, improve performance, fix bugs, and keep the codebase maintainable. You will help establish asset and development pipelines so the team can build content smoothly … mini game logic where needed. Key responsibilities Rapid prototyping of mobile game concepts and gameplay loops Feature implementation in Unity with clean, high performance C# Iterating from user engagement and monetisation data where applicable Integrating advertising SDKs and analytics tools for measurement Establishing content pipelines, maintaining the project structure ...