1 to 25 of 62 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 ...

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 ...

Full Stack Developer C# .NETMaidstone, KentHybrid workingFull Stack Developer needed for a fast growing organisation based in Maidstone, Kent, who are looking to employ an experienced Full Stack Developer with solid hands-on full stack development experience to implement front-to-back functionality … internal and external customers, with an in-depth knowledge of C#, .NET, APIs, frontend frameworks like Blazor/Razor, SDLC, Cloud (Azure and AWS), Docker and Kubernetes, version control (Git), and AgileThe successful Full stack developer will receive the following benefits:* Salary expectation ...

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 ...

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 ...

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/Engineer (C# .Net Desktop Application) Reigate/WFH to £100k Do 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 Assurance Training and career development Social 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 ...

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 ...

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# ...

Microsoft Office Add-In Developer (.NET/C#) Office Addins | 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 to support … 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 ...

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 ...

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 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 ...

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: Birmingham - flexible remote working options available - Candidates UK wide can be considered Rate: To 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, client facing Senior/Lead Full Stack Developers to join a major business transformation programme focused on modernising platforms, data capabilities, and core business processes. ...

Senior Full Stack Developer (React/C# .NET) Contract: Initial 3-Month Engagement (Long-Term Programme) Location: Birmingham - flexible remote working options available - Candidates UK wide can be considered Rate: To £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, client facing Senior/Lead Full Stack Developers to join a major business transformation programme focused on modernising platforms, data capabilities, and core business processes. ...

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 ...

Senior Developer/Full Stack Developer/Backend/Frontend/Software Engineer/C#/C#.NET/.NET Core/ASP.NET/SQL/T-SQL/Web Applications/API/Developer/Programmer/Mentoring/Remote/… Developer/Senior Developer/Software Engineer (full stack - 80% backend/20% front end) Strong hands-on expertise in C#, .NET/.NET Core, and SQL/T-SQL/Stored Procedures. Front end skills such as Razor/Blazor ...

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 ...

insurance underwriter in the City of London.They are now looking to grow their software development team and are looking to recruit a C# .net Software Developer.You will have at least 5 to 7 years expertise in developing complex software with C#. A strong mathematical background would … advantageous but not required.Must have excellent communication and interpersonal skills.Expert in C# Development coupled with Java/jQuery Web development Web API, CSS.You will have solid SQL Server experience (stored procedures, table design and some maintenance).Microsoft Office including VBA and advanced skills in Excel and HTML/IIS.Develop ...

Tech: C#, ASP.Net MVC, Angular 5, MVC, MVC, SQL, AWS, Fullstack Challenge: Develop Greenfield systems and increase functionality for existing high transaction/high traffic platforms. Pay: 60k, Share Options Firm: Global Software firm in the business intelligence and Performance space. Location: SloughC# ASP.NET FullStack Developer – Get .NET CoreQuant Capital is urgently looking for a C# ASP.NET Developer to join our high profile client.My client is a growing global BI and performance management firm. They are dominated by technology and big data. They use the latest versions ...