1 to 25 of 56 C# .NET Developer Jobs in the UK

Lead C# Developer/Backend Software Engineer (C# .Net) Newcastle onsite to £130k Do 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 ...

Bracknell, Berkshire | £75k - £85k per year C# Developer/Backend Software Engineer (C# .Net API SQL) Bracknell/WFH to £85k Are you a backend focussed C# Developer? You could be progressing your career in a senior, hands-on C# Developer role, working on a major rebuild of a leading international payments platform. As a C# Developer you'll join a small, autonomous engineering team of around 4-6, including QA and a Team Lead, helping to modernise backend services and build the next ...

C# .NET Developer Permanent | Hybrid (2-3 days on-site per week) | Taunton, Somerset | Up to £45,000 per annum Our client is looking to onboard a Junior to Mid-Level Back End C# .NET Developer on a permanent basis … 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 ...

C#/.NET Developer – Front Office, Electronic & Low Latency Trading Systems Join MARGO in the UK (London) – Perm & Contracting Opportunities MARGO is a tech-native consultancy delivering high value-added IT expertise to the financial services industry. We specialise in complex software engineering environments where … Front Office/Trading IT environment of one of our tier-1 investment banking or trading partners. The teams design and maintain mission-critical C#/.NET systems supporting electronic trading, real-time risk and analytics platforms across multiple asset classes (Equities, Fixed Income, Commodities, FX, Derivatives ...

11851SR £35k - 45k per year + Bonus + Pension + Excellent Benefits C# .NET Developer Permanent | Hybrid (2-3 days on-site per week) | Taunton, Somerset | Up to £45,000 per annum Our client is looking to onboard a Junior to Mid-Level Back … C# .NET Developer on a permanent basis to join their growing development team.This is a fantastic opportunity for someone looking to develop their career within a supportive and forward-thinking environment, while working on a range of exciting projects and gaining valuable experience across ...

Lead C# Developer/Backend Software Engineer (C# .Net) Newcastle onsite to £130k Do 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 API click apply for full job details ...

LocationLondon, England, United Kingdom# Senior Microsoft .NET/C# Developer at N Consulting LtdLocationLondon, England, United KingdomSalary£300 - £325/dayJob TypeContractDate PostedMay 13th, 2026Apply Now**Job Title: Senior Microsoft .NET/C# Developer****Location: Basildon, UK****Work Mode … Days Onsite****Job Type: Contract- 6 months with high possibility of extension****JOB DESCRIPTION:**We’re seeking a **Senior Microsoft .NET/C# Developer** with 8+ years of hands-on experience building and supporting high-quality applications. This role requires a strong communicator ...

site, 1 day remote) Contract: 12 months IR35: Inside IR35 Security Clearence: Full UK SC required About the Role We need an experienced C# .NET developer who can work with the minimum of supervision to deliver current and future programs. This role provides an opportunity … work on the latest defence technology within a mature development environment. What You’ll Do Develop robust applications using C# .NET within a Windows environment. Take ownership of complex tasks across the full software lifecycle—from requirements to integration, testing and delivery. Apply object-oriented design principles ...

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# …/tradeflow and pricing APIs. Maintaining the company’s daily operation on the existing platforms. Essential skills :- Minimum 3 years experience Microsoft web technologies(C#, Core MVC ) Relational database experience (SQL Server) Proactively able to build relationships with stakeholders:- sales, brokers, middle office, external vendors. Ability to produce clean ...

Senior C# Developer Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices. Salary Negotiable, DoE, plus company benefits. Due to the nature of this position, you must be willing and eligible to achieve a minimum of SC clearance. To be eligible … help the government monitor and reduce greenhouse gas emissions from commercial transport Role Summary Triad Group Plc is seeking a skilled and experienced Senior C# Developer to join our dynamic team. As a Senior Developer, you will be responsible for designing, developing, and maintaining software ...

flat structure where you will get your voice heard and can make a real impact on the bottom line, earning significant bonuses. As a C# Developer you'll join an Agile development team to design and develop new features and enhancements to complex Payments and client systems … within a microservices environment (300 services). You'll be working with a modern tech stack using C# .Net Core, AWS, Kubernetes, Kafka, Redis and TypeScript/Angular; using the right tool for the job, you'll be able to pick up new technologies and make recommendations ...

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 ...

smarter, more efficient ways to design and deliver complex projects. We are looking for an experienced Software Developer with strong expertise in C#, .NET, and CAD automation to build and enhance engineering tools, particularly within SolidWorks and AEC applications. This role focuses on improving engineering … across projects. What to expect from the role Automation & CAD Development Develop and maintain SolidWorks add-ins, macros, and API-driven automation tools using C# Automate design workflows, including modelling, drawings, and BOM creation Improve efficiency and consistency by reducing manual engineering effort Application Development Design and build Windows ...

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 … 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 ...

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. … 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# ...

software development lifecycle while supporting high engineering standards within a collaborative team environment. Key Responsibilities: Design, develop, and enhance enterprise-level software solutions using C#, .NET/.NET Core, Razor, Web API, SQL Server, HTML, and JavaScript. Work closely with Product Owners, testers, UI/… difference to our customers. Proven experience as a Senior Developer within a SaaS or enterprise software environment. Strong hands‐on expertise in C#, .NET/.NET Core, and SQL/T‐SQL. Solid understanding of database design, performance optimisation, and query tuning. Experience ...

software development lifecycle while supporting high engineering standards within a collaborative team environment. Key Responsibilities: Design, develop, and enhance enterprise-level software solutions using C#, .NET/.NET Core, Razor, Web API, SQL Server, HTML, and JavaScript. Work closely with Product Owners, testers, UI/… practical delivery. Requirements: Proven experience as a Senior Developer within a SaaS or enterprise software environment. Strong hands-on expertise in C#, .NET/.NET Core, and SQL/T-SQL. Solid understanding of database design, performance optimisation, and query tuning. Experience delivering ...

HotLizard is looking for an enthusiastic C#/.NET Developer to join our small, experienced development team, working on our established online Sports and Recruitment products. You'll be developing new features, improving user experience, and helping advance the platforms using modern tools and techniques … with real ownership and minimal bureaucracy. Our platforms are VB.NET and will remain so in part new sports modules are C#/MVC. No VB.NET experience needed we'll support a strong C# developer in picking it up. Key responsibilities Design, build, and maintain features across ...

Senior Full Stack Developer (React/C# .NET) Contract: Initial 3-Month Engagement (Long-Term Programme) Location: Hybrid Working - Approximately 1 day per week in Birmingham (flexible based on project requirements) Rate: £500 per day - Outside IR35 Senior Full Stack Developers. Strong React/front … capability. Strong C#/.NET back-end capability. Ability to operate across the full stack where required. Overview We are seeking experienced interim Senior Full Stack Developers to join a major business transformation programme focused on modernising platforms, data capabilities, and core business processes. You will need ...

Senior Full Stack Developer (React/C# .NET) Contract: Initial 3-Month Engagement (Long-Term Programme) Location: Hybrid Working - Approximately 1 day per week in Birmingham (flexible based on project requirements) Rate: £500 per day - Outside IR35 Senior Full Stack Developers. Strong React/front … capability. Strong C#/.NET back-end capability. Ability to operate across the full stack where required. Overview We are seeking experienced interim Senior Full Stack Developers to join a major business transformation programme focused on modernising platforms, data capabilities, and core business processes. You will need ...

Nexus Jobs Limited is recruiting a C# .NET Software Developer for our client, a niche boutique broker specialising in FX, based in London. You will work on trading systems with FX and Fixed Income components, and collaborate closely with traders to deliver robust software. … role requires 3–5 years of experience with C# .NET, ASP.NET Core MVC and SQL Server, plus an understanding of FX instruments and possibly FIX protocol. #J-18808-Ljbffr ...

RedRock Resourcing is seeking a skilled C# .NET Software Developer for a hybrid role in Manchester. You will design, build and enhance bespoke software solutions within a collaborative DevOps environment. You will work with .NET Core, C#, and modern API architectures, deploying ...

Developer to join its Trade Operations IT Delivery Team. You will design, develop and support bespoke multi-asset class applications using C#, .NET Core, Web API, and Angular front end while collaborating with business analysts and IT colleagues. You will deploy changes to production ...

relevant teams Carry out training and skills assessments at regular intervals Follow the branch compliance rules What we need from you Strong experience in C#/.NET development, including WPF or similar desktop UI technologies. Proven experience supporting business-critical applications in a production Front Office environment. … Exposure to front-office Experience in managing frontline support for pre trade tools Commodities trading business knowledge (Preferred) Technical skills — required: .NET C#, .NET Core, Entity Framework, WPF, Angular Familiarity with market data (e.g., Bloomberg, Reuters) and building service-based APIs Databases SQL Server, MongoDB ...

Proactive Appointments Limited is seeking a Junior to Mid-Level Back-End C# .NET Developer for a permanent, hybrid role in Taunton, Somerset. You will join a growing development team to design and build scalable backend systems while advancing through the full software lifecycle. ...