22 of 22 Senior C# Software Engineer Jobs in the UK

Senior Software Engineer, C#, TypeScript, .NET A Senior Software Engineer opportunity has arisen with a world-renowned organisation, joining a team whose software sits at the heart of engineering operations. Could this be the role … product stakeholders to translate complex user needs into clean, scalable software solutions. The team works across a varied technology estate — including C#, TypeScript, React, Python, and cloud-native services — and is actively modernising its platforms, giving you genuine scope to influence how things are built going forward. ...

Senior C# Software Engineer – Semiconductor Metrology Abingdon, UK Senior C# Software Engineer – Semiconductor Metrology Are you an experienced C# Software Engineer who enjoys solving complex engineering problems where software directly controls real-world hardware? We're looking for a Senior C# Software Engineer to help develop the next generation of semiconductor metrology and inspection systems. You'll work on software that controls high-precision motion systems, sensors, data ...

seeking a hands-on Senior Software Engineer with strong full-stack expertise across TypeScript/React, C#/.NET and modern cloud-native technologies. This role is responsible for designing, building and delivering software solutions end-to-end, owning the development … management. Key Responsibilities Design, build, test, deploy and support software solutions across the full technology stack. Develop scalable applications using TypeScript, React, C#/.NET and related technologies. Translate business requirements into clear, structured and testable technical specifications, applying Spec-Driven Development principles. Write secure, maintainable ...

seeking a hands-on Senior Software Engineer with strong full-stack expertise across TypeScript/React, C#/.NET and modern cloud-native technologies. This role is responsible for designing, building and delivering software solutions end-to-end, owning the development … management. Key Responsibilities Design, build, test, deploy and support software solutions across the full technology stack. Develop scalable applications using TypeScript, React, C#/.NET and related technologies. Translate business requirements into clear, structured and testable technical specifications, applying Spec-Driven Development principles. Write secure, maintainable ...

Senior Software Engineer/Developer (C# .Net) Newcastle to £120k Opportunity to join a rapidly growing Fintech that is building sophisticated technology for the global investment management industry. Backed by significant funding and working alongside leading hedge fund partners, the company is solving … engineering problems at scale and is investing heavily in the continued evolution of its core platform. This is an opportunity for an intellectually curious C# Software Engineer to join a high-calibre team where technical excellence is valued and engineers are trusted to influence architecture ...

C#/.NET Desktop Software Engineer - Aberdeen – Permanent Hybrid 3 days on site, 2 days remote No sponsorship available Key Responsibilities Design, develop, and maintain complex desktop and cloud applications using modern software engineering practices, including design patterns, SOLID principles, automated testing … years of professional software engineering experience. Experience building and delivering complex, production-grade software applications. Strong proficiency in C#/.NET . Experience developing desktop applications and/or cloud-based software solutions. Bachelor's degree (or higher) in Computer Science, Software ...

## Senior Software Engineer (C# .NET)Applylocations: GB - Luton - Cap. Green 300time type: Full timeposted on: Posted Todayjob requisition id: R0024764**Job Description:*****Salary Range:** £45,000 - £55,000**Leonardo UK operates a grade-based salary framework with broad bands. The salary range … managed through governance controls to protect internal equity.***Your Impact**We are looking for talented Software Engineers with a solid foundation in C# .NET and a passion for learning and growing. If you are eager to develop your technical skills, leadership capabilities, and decision-making confidence, this ...

Oxford Instruments Andor is seeking a Senior Software Engineer- Software Applications to design, develop and support customer-facing Windows desktop applications used to control experiments on scientific instrumentation. You will work primarily with C# and .NET, delivering robust software across multiple products and collaborating with cross-functional teams. The role emphasizes full SDLC delivery, hands ...

working with a highly successful buy-side investment manager that's investing heavily in software engineering, data platforms and AI as part of a firm-wide technology transformation. They're looking for a Senior Software Engineer to join a small, high-performing … while exploring agentic workflows across the organisation. What You'll Be Working On Designing and building full-stack applications and internal business platforms using C#/.NET Developing APIs, integrations and cloud-native solutions across Azure Building and maintaining Azure SQL and ETL/ELT data pipelines Modernising reporting ...

looking for a Senior Software Engineer to join our global team to be responsible for the quality, development, and execution of our software products. You will be part of a technology department that is comprised of a successful and multidisciplinary group … related field 8+ years of experience in software development, with a focus on building scalable and reliable systems Extensive knowledge of DotNet C#, LINQ, MS SQL, Entity Framework and related technologies Capable to use version control software such as GIT Knowledge of SOLID principles Knowledge ...

building the first global data-driven last-mile network that has the potential to solve industry-wide problems. We're hiring a Senior Software Engineer who treats software as a craft, not a checklist. You'll join a small, high-trust team … Work outside strict role boundaries when needed, without feeding burnout culture Communicate technical decisions clearly and push back constructively when required Core technical skills C#/.NET 8+ , Entity Framework Core, async/await, MediatR/CQRS Strong understanding of distributed systems : consistency models, event-driven patterns, idempotency, race ...

Novanta Inc. is seeking a Senior Software Engineer in Stockport … design and deliver software that underpins manufacturing and R&D processes in their global laser technology business. You'll work primarily with C# and modern .NET frameworks. The role involves leading design architectures, developing applications, and enhancing workflows through automation. Join a dynamic environment where your contributions ...

seeking a Senior Software Engineer to design, develop and modernise high‐performance desktop and cloud applications using C#/.NET. You will work hands‐on in a technically focused team, contribute to architecture discussions, code reviews and CI/CD practices, and help ...

Optos PLC in Dunfermline is seeking a Senior Software Engineer to develop and enhance retinal imaging workflows and clinical data management solutions. You will focus on UI and application layer development, while integrating with Optos' image and metadata platform. The role requires collaboration with … Product, DevOps and other engineering teams in an Agile setting. The position emphasizes hands‐on software development, high quality, scalable and compliant solutions for the medical eyecare #J-18808-Ljbffr ...

Microlise is seeking a Senior Software Engineer with AWS expertise to join a large, capable team in the Midlands. You will develop robust software, deploy to AWS, and mentor junior engineers across diverse projects. The role emphasises quality, collaboration, and continuous learning … within an agile environment. You will work on modern software architectures, participate in design reviews, and contribute to release cycles while maintaining a healthy work/life balance and strong professional #J-18808-Ljbffr ...

Bright Purple is seeking a Senior Software Engineer in Edinburgh, offering hybrid work from a central office and involvement across hardware‐aligned software. … features end to end, shaping design and defending decisions in code reviews. The role collaborates with Firmware and applies a modern C#/.NET toolchain, containerised services, and opportunities to introduce new tools. You’ll work with a team that supports growth and values technical depth, real outcomes ...

Digital is seeking a Software Engineer to join its London-based, on-site team. You will design, build, and maintain C#/.NET production code and SQL Server-driven components, with core logic living in the database. Expect close collaboration with the Founder ...

Developer to join our engineering team in Staplehurst, Kent. You will develop Windows and Linux software primarily in C++, with additional C#, .NET, and web languages for UI and device control of veterinary ventilators and monitors. The role involves creating new code from scratch, maintaining legacy … C++/C# products, and extending software to handheld devices. #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#, Core MVC ) Relational database experience (SQL Server) Proactively able to build relationships with stakeholders:- sales, brokers, middle office, external vendors. Ability to produce clean ...

Your role: Are you a C# expert ready to move beyond coding and truly shape the future of real‐time software products? We’re looking for an experienced technical leader to drive innovation, mentor developers, and architect the next generation of our high‐performance systems. … . Drive the full lifecycle of major projects from feature design with key stakeholders to final implementation and deployment. Leverage your deep expertise in C# to tackle complex, performance‐critical tasks like data acquisition and real‐time data decoding. Benefit from dedicated “blue sky” time for professional development, technology ...

goal is to drive efficiency, speed up transactions, reduce risk, and improve the end-customer experience. Our platform is built on a proven C# and .NET foundation, and we're building what comes next on top of it. That means new frontier AI capabilities in TypeScript, sitting alongside … C# estate we're actively evolving for the next era. The interesting challenge isn't just being productive in both stacks, it's knowing when each is the right tool and keeping the whole system coherent as our product grows. If you are passionate about how software ...

Barclays is seeking a Developer - AVP to lead the evolution of our digital landscape, driving innovation and delivering high-quality software solutions across business functions. … will apply modern engineering practices and collaborate with product managers, designers, and engineers to translate complex requirements into scalable software. The role emphasizes strong C# development, understanding of financial concepts, and leadership in code reviews, secure coding, and performance improvements #J-18808-Ljbffr ...