1 to 25 of 59 C# .NET Developer Jobs in the UK

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 ...

Lead C# Developer/Backend Software Engineer (C# .Net) Newcastle onsite to 130kDo you have expertise with backend C# combined with strong technical leadership skills? You could be progressing your career in a hands-on Lead C# Developer role … well-funded Fintech scale-up. 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 ...

Senior C# Developer/Backend Software Engineer (C# .Net Core) *Newcastle onsite* to 110k+Are you a senior, backend focused C# Developer with a strong academic background? You could be working on complex, high impact systems at a growing FinTech scale … healthcareGenerous pension contributionContinuous career development opportunitiesSocial team atmosphere with a range of events and early finish for drinks on FridaysYour role: As a Senior C# Developer you will collaborate with a small, talented team to deliver the core platform using the latest versions of C# .Net ...

C# Developer/Full Stack Engineer (.Net Core JavaScript) St Albans/WFH to £100k Are you an ambitious C# Developer looking to apply your technical skills in a fast paced environment where technology, data and sport intersect? You could be progressing … direct impact on business performance, while giving you exposure to large-scale distributed systems, real-time data and modern cloud technologies. As a C# Developer you'll design and build new features across a complex microservices ecosystem, working on business critical platforms that process large volumes ...

Join Our Amazing Investment Banking Client as a C# .Net Developer! Location : Canary Wharf (3 days per week onsite - This is essential) Contract Duration: Up to 2 years! Umbrella Rate : £416 Umbrella Day Rate Interviews: The first interview is in person this is essential - This … negotiable. Please Note: If you have spoken to a member of the Pontoon/Adecco team in 2026 about our other C# Software Development roles, you do not need to apply again. Are you a passionate and seasoned Senior C# .Net Developer looking ...

Lead C# Developer/Engineer (C# .Net Desktop Application) Reigate/WFH to 100kDo you have expertise with C# desktop development, working on complex scalable systems? You could be progressing your career, in a senior, hands-on leadership role working on complex … contribution)Health Care and Life AssuranceTraining and career developmentSocial events and a range of other perks Your role: As a Lead C# Developer you'll manage three Agile teams comprising around ten experienced software engineers, responsible for the flagship desktop insurance platform that handles 4 billion requests ...

Team. Pay: 70k, flex working and remote, Bonus, Benefits, PensionC# .NET Developer Fintech SQLQuant Capital is urgently looking for a C# .NET Developer to join our high profile client. My client is a well known global software house specialising … pandemic and are looking for 3 developers to join their project team who build from scratch apps over a 3 to 4 month period. C# Developers will be responsible for: designing, developing, documenting, and supporting major components of customer project implementations as well as the next generation of software ...

C# .Net Developer – Fintech75,000 Plus 10% BonusEU Full Remote WorkingQuant Capital is urgently looking for a .Net Developer to join our high profile client. My Client is a well known global (yet not too corporate) financial software (fintech) business that … support team when required· Participating in Agile Scrum activities.Net Developer must have:· Comp Sci degree or similar experience· Microsoft .NET (C# or .Net Core or ASP.Net ), WPF or Winforms· MSSQL – Experience in writing queries· Version Control – knowledge of code versioning, branching and deployment ...

C# .NET Developer Permanent | Hybrid (2 days on-site per week) | Taunton, Somerset | Up to £50,000 per annum Our client is looking to onboard a Mid-Level Back-End C# .NET Developer on a permanent basis to join their … development of new applications and features, and help maintain and improve existing systems. Responsibilities: Develop, test, and deploy efficient, scalable, and maintainable applications using C# and .NET Core (latest versions). Write clean, efficient, and well-documented code following best practices. Participate in code reviews and provide ...

Role: Senior C# .NET Developer Location: London, UK Working Pattern: Hybrid, 3 days per week onsite, Canary Wharf or Liverpool Street Employment Type: Contract Rate: £500 a day Inside IR35 via Umbrella Role Overview We are seeking experienced Senior C# .NET Developers … teams to deliver scalable, secure and high-performing solutions in a highly regulated environment. Key Responsibilities Design, develop and maintain enterprise applications using C# and .NET. Develop scalable, secure and high-performance APIs, services and distributed applications. Work with Technical Analysts and business stakeholders to translate requirements into technical ...

Role: Senior C# .NET Developer Location: London, UK Working Pattern: Hybrid, 3 days per week onsite, Canary Wharf or Liverpool Street Employment Type: Contract Rate: £500 a day Inside IR35 via Umbrella Role Overview We are seeking experienced Senior C# .NET Developers … teams to deliver scalable, secure and high-performing solutions in a highly regulated environment. Key Responsibilities Design, develop and maintain enterprise applications using C# and .NET. Develop scalable, secure and high-performance APIs, services and distributed applications. Work with Technical Analysts and business stakeholders to translate requirements into technical ...

Microsoft Office Add-In Developer (.NET/C#) Office Add-ins | VSTO | Azure | Azure DevOps | Inside IR35 | ASAP Start | Contract until January 2027 We're partnering with a prestigious London-based law firm to secure an experienced Microsoft Office Add-In Developer … bespoke Office solutions used across the business. This role is ideal for a developer with strong experience in .NET, C#, VSTO and custom Microsoft Office add-ins , alongside exposure to Azure-hosted solutions and Azure DevOps (ADO) pipelines . While primarily remote, candidates should ...

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 … 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 ...

C# Winforms .net Developer Quant Fund140,000 Plus Bonus4 days in the office – some room for negotiationQuant Capital is urgently looking for a Senior C# Winforms .net Developer to join our high profile client. Our client is a $5 billion … strong systematic quant commodity trading fund with excellent recent performance. The role will involve all aspects of software development in a Microsoft Windows C# SQL environment, reporting directly to the Chief Investment Officer and head of Development. The client offers a bonus to all employees as a result ...

Sector: C# and .Net, Software EngineeringReference: AF - Camb - C#Senior C#/.NET Developer | Cloud Platforms | Global TechnologyBuild the cloud foundations powering next-generation industrial technology.A leading global technology business is looking for a talented Senior C#/.NET Developer … business. It's an opportunity to tackle complex engineering challenges at scale, alongside a highly capable team.The RoleDesign and build scalable cloud services using C#/.NETDevelop secure, reliable APIs and distributed systemsWork on identity, access control, subscription management and data servicesContribute to architectural decisions, engineering standards and technical ...

C# Developer/Software Engineer (SQL ASP.Net) London to 50kAre you a talented C# Developer looking to take on real responsibility in a small, ambitious start-up You could be progressing your career at a growing technology business developing an online platform that connects … team of just five people, giving you the opportunity to make a genuine impact on the product and how the business evolves.As a C# Developer you'll work across the full stack, developing consumer facing web and mobile applications alongside internal back office systems. Using C# ...

C#/.NET Developer - Commodities Trading - £700 Per Day Inside IR35 - 6 Month Rolling Contract - Hybrid - London A leading financial markets organisation is looking for an experienced C#/.NET Developer to join a specialist commodities technology team, building bespoke … technical design, development, pair programming, code reviews and testing, with the majority of services hosted within Azure. The role requires someone with strong C#/.NET engineering experience alongside a solid understanding of commodities and trading products, particularly derivatives such as swaps. This is a 6-month ...

Tech: C#, .net core, ASP.Net MVC, Angular 5, MVC, MVC, SQL, AWS, FullstackChallenge: Develop Greenfield systems and increase functionality for existing high transaction/high traffic platforms. Firm: Global Fintech firm that specialize e-invoicing and invoice finance. Salary: 65k + Bonus + Options + Flex Working … + PensionC# .Net Core Developer – Fintech50Quant Capital is urgently looking for a C# ASP.NET MVC Developer to join our high profile client. My client is a growing global Fintech business and market leaders in the invoice finance space. They are currently expanding their ...

Senior Full Stack Developer – .NET/C#/React/TypeScriptSalary: 60,000 – 65,000Location: Fully Remote (UK) – Occasional quarterly visits to CheltenhamContract: Permanent, Full-TimeSecurity Clearance: Must be eligible for SC ClearanceThe OpportunityI have an exciting opportunity for an experienced Senior Full Stack Developer … wants to make a genuine impact on the products they develop.Key ResponsibilitiesDesign, develop and maintain full stack web applications using .NET, C#, React and TypeScript.Build and support scalable backend services, APIs and database solutions.Develop responsive, user-friendly frontend applications using modern JavaScript frameworks.Contribute to the development ...

Role: Senior C# .NET DeveloperLocation: London, UKWorking Pattern: Hybrid, 3 days per week onsite, Canary Wharf or Liverpool StreetEmployment Type: ContractRate: 500 a day Inside IR35 via UmbrellaRole OverviewWe are seeking experienced Senior C# .NET Developers to join a strategic technology transformation programme within … teams to deliver scalable, secure and high-performing solutions in a highly regulated environment. Key ResponsibilitiesDesign, develop and maintain enterprise applications using C# and .NET.Develop scalable, secure and high-performance APIs, services and distributed applications. Work with Technical Analysts and business stakeholders to translate requirements into technical solutions. Contribute ...

Software Developer/Team Lead (C# .Net) Bracknell/WFH to £95k Are you a skilled Software Developer with strong team leadership experience? You could be joining a global financial services company as they rebuild the international payments platform, working within the Corporate … week. About you: You have strong experience providing technical/team leadership within a software engineering team You have strong backend development skills with C# .Net (would also consider other OO languages) You have strong system design experience, particularly distributed systems and microservices You have frontend experience ...

Full Stack Developer/Software Engineer (JavaScript Vue.js C# .Net) Bracknell/WFH to 85kDo you enjoy working across the full tech stack, taking ownership and leading projects You could be progressing your career in a senior, hands-on Full Stack Developer role … Developer you'll own features end-to-end, with a focus on the Vue front end but also with API and backend C# work (70/30).As a senior team member, you'll own architecture and technical decisions within your domain, collaborate closely with Product, Design ...

Lead C# .Net Developer Asset ManagementLeading London-based trading house has an outstanding opportunity for a C# winforms and Webforms Developer to join the team. Our client is a 500 million strong asset manager/fund. They use an innovative approach using … investment management who is also a technologist by background. The platform you create together will be a proprietary system in the real estate space. C# Developers MUST have: Computer Science Degree or similarAt least 6 years of commercial experience. NETC#SQLLinQWinforms ideallyIdeally WPFApplications experienceWindows and Linux experienceWindows application developmentExperience ...

Senior Back-End Developer to become a key technical hire. You'll take ownership of a modern platform built with C#/.NET microservices, PostgreSQL, Redis and Google Cloud, helping shape architecture, engineering standards and future development. Key ResponsibilitiesBuild and maintain C#/.NET … Kubernetes/GKEImprove CI/CD, testing, observability and reliabilityLead code reviews and mentor other developersWork closely with DevOps, Product and OperationsRequirementsStrong commercial C#/.NET experienceMicroservices and REST API expertiseStrong PostgreSQL and Redis knowledgeExperience with Kubernetes/Docker/CloudStrong testing and CI/CD backgroundTechnical ...

C# .NET DeveloperBrusselsQuant Capital is urgently looking for C# .NET Developer to join our high profile client. Our client is a well known insuretech business. They are a small subsidiary of a much larger financial exchange firm. The first mission starts … tasks, proactively gathering requirements if needed. Improving company's build and deployment pipelines (CI/CD).Creating documentation of the developed components and processes. C# Developers must have: At least 5 years of proven track of record of software design and development. Advanced knowledge of C# and .NET ...