1 to 25 of 26 Senior C# Developer Jobs

Senior C#/.NET Developer | Cloud Platforms | Global Technology Build the cloud foundations powering next-generation industrial technology. A leading global technology business is looking for a talented Senior C#/.NET Developer to join its cloud engineering team, building … opportunity to tackle complex engineering challenges at scale, alongside a highly capable team. The Role Design and build scalable cloud services using C#/.NET Develop secure, reliable APIs and distributed systems Work on identity, access control, subscription management and data services Contribute to architectural decisions, engineering standards ...

experienced C# Developer looking for your next opportunity, where you can take ownership, influence projects and make a real impact? I'm working with an established client with offices in Sheffield and Leeds , who are looking to recruit a talented Full Cycle C# Developer … assess requirements, identify what needs to be done and drive your work forward, ensuring your contribution aligns with the wider project objectives. An experienced C# Developer with a strong backend background, a good understanding of how projects fit together and the confidence to work independently, manage priorities ...

Senior C# Developer (AI-Assisted Development) Location: Norwich (North) 100% Fully On-Site 35 hour week, mon-fri Salary: £55,000 – £65,000 per annum (Dependent on Experience) Employment Type: Full-time, Permanent Sector: Technology About the Company My client is a highly successful, specialist … pioneering the future of software engineering within their sector/field. In this role, AI agents write a significant portion of the primary C# codebase, and they require an experienced Senior Developer to direct, orchestrate, and validate this output. You will not just be coding ...

Contract Opportunity | Tier 1 Investment Bank | Canary Wharf Overview Our client, a Tier 1 Investment Bank based in Canary Wharf, is seeking an experienced C# Developer to join a strategic application modernisation programme. This role sits within a technology team responsible for evolving critical business applications, supporting … full software development lifecycle, contributing to the enhancement of existing applications while helping shape the future-state architecture. Key Information Role: Senior C# Developer Location: Canary Wharf, London (Hybrid Working) Contract Length: 6 Months Initial Contract Rate: £416 per day (Inside IR35) Start Date: ASAP ...

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 Role Overview We 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 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 ...

experienced C# Developer looking for your next opportunity, where you can take ownership, influence projects and make a real impact? I'm working with an established client with offices in Sheffield and Leeds , who are looking to recruit a talented Full Cycle C# Developer ...

systems vital for public safety and essential services. 22nd September, 2026 We are looking to recruit an experienced and highly skilled Senior C# Developer to lead the design, development, and optimisation of our mission-critical communication infrastructure. Working alongside other Software application team members … innovative technology company, based in Waterbeach, Cambridge. Role: Contribute to the architecture, design, and implementation of high-performance, resilient, and secure communication systems using C#/.NET. Develop robust, low-latency applications that handle high-volume data traffic (e.g., messaging queues, real-time data processing). Drive technical vision ...

Sepura Ltd, based in Waterbeach, Cambridge, is seeking a Senior C# Developer to lead design, development and optimization of our mission-critical communication infrastructure. You will work with the Software team to evolve existing PC applications and future microservices architectures. You will drive technical vision … implement resilient, low-latency systems, review code, set standards, and mentor mid-level and senior engineers. #J-18808-Ljbffr ...

Jobs Watch Ltd invites an experienced Senior C# .NET Developer to join a strategic technology transformation within a leading international banking environment in London. You will design, develop and enhance enterprise-grade applications across front-, middle- and back-office domains, collaborating with architects, analysts, data ...

Advanced Resource Managers Ltd in London is seeking an experienced Senior C# .NET Developer to join a strategic technology transformation programme within a leading international banking environment. You will design, develop and enhance enterprise-grade applications supporting critical business functions across front-office, middle-office ...

front office risk and valuation platform used in a fast paced, real time environment. The Role We are seeking a hands on Senior Developer to join a high impact technology team responsible for risk, valuation, and decision support systems. You will work across the full stack ...

Investigo in London is seeking a Senior Full Stack C# Developer to join its Front Office FX technology team, building and supporting business-critical systems used across London, New York and Singapore. You’ll work on a modern C#/.NET platform, design REST ...

Talan Group is looking for a Senior Developer to join their technology team in Greater London. This role requires expertise in TypeScript and React, where you will design and deliver features across UI and backend services. You will collaborate closely with stakeholders to refine requirements ...

MASS Consultants Ltd is seeking a Senior Software Developer for an on-site role in Corsham (SN13). The successful candidate will work on mission-critical planning software, supporting maintenance and enhancements … both Windows and Red Hat Linux environments. Expect a rigorous development and testing cycle and close liaison with customers. Required is a confident C# engineer with .NET experience, STEM education, and the ability to thrive in a dynamic, client-facing environment. #J-18808-Ljbffr ...

AdoodUK in London is seeking a C# ASP.NET Developer for a contract-to-permanent role in the music industry. The position involves full SDLC development, client-facing duties, and potential progression to a technical team lead. Location is near Euston and King’s Cross, London. The role … requires at least three years in .NET/C# web development, strong JavaScript/HTML/CSS/SQL skills, and experience with XML/DHTML/Ajax. A collaborative, hard-working environment with a casual culture awaits. #J-18808-Ljbffr ...

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 of developing with C# … pricing APIs. Maintaining the company’s daily operation on the existing platforms. Essential skills :- Minimum 3 to 5 years experience of Microsoft web technologies(C#, ASP.NETCore MVC ) Relational database experience (SQL Server) Proactively able to build relationships with stakeholders:- sales, brokers, middle office, external vendors. Ability to produce clean ...

work in a culture where your contributions matter and your growth is supported. What you’ll work on: Developing full-stack features using C#, .NET, HTML, CSS, JavaScript, and SQL. Writing and optimizing hand‐crafted SQL queries to ensure high performance. Designing and implementing event‐driven workflows using Event … infrastructure with Pulumi and Azure DevOps. Participating in architecture discussions, code reviews, and maintaining engineering best practices. What you may have: Strong experience with C#/.NET, including async/await, memory management, and resource handling. Deep knowledge of SQL Server, including query optimization, indexing, execution plans, and performance ...

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 workflows, automating … 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 ...

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. The role requires … 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 ...

attendance put you off applying. The expected working pattern will be discussed during the recruitment process. Pinewood.AI is looking for experienced hands-on Senior Developers to play a key role in our software development teams. Working closely with Lead Developers, Engineering colleagues, Product, testers, and other colleagues across … 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/UX specialists, and Engineering ...

Primo Interactive Limited is seeking an experienced .NET developer to build and evolve web apps and APIs using C# and ASP.NET Core. You will move legacy .NET Framework code to current .NET, optimize performance, and collaborate with teams to deliver reliable, well-structured software leveraging SQL Server ...

Primo Interactive Limited is seeking an experienced .NET developer to build and evolve web apps and APIs using C# and ASP.NET Core. You will move legacy .NET Framework code to current .NET, optimize performance, and collaborate with teams to deliver reliable, well-structured software leveraging SQL Server ...

Primo Interactive Limited is seeking an experienced .NET developer to build and evolve web apps and APIs using C# and ASP.NET Core. You will move legacy .NET Framework code to current .NET, optimize performance, and collaborate with teams to deliver reliable, well-structured software leveraging SQL Server ...

design, develop, and maintain high-quality software within a hybrid work model. The role requires collaboration across teams to deliver scalable solutions using C#, .NET, and modern web technologies. You will join the Software Developer team, reporting to the Developer Manager, and work ...