25 of 25 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 ...

Senior Software Engineer/Developer (C# Python AI) London/WFH to 100kAre you a Senior Software Engineer with C# and/or Python coding skills combined with a strong knowledge of software engineering … days a week, with flexibility to work from home the other two days.About you:You have strong backend software engineering skills, with C# and/or Python (or both!)You have a strong knowledge of Computer Science fundamentals such as OOP, multithreading, Design Patterns and are comfortable ...

Senior Software Engineer/Developer (C# .Net) Newcastle to 120kOpportunity 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 complex … 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, design ...

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 ...

role in that transformation. This is a hands-on role with real influence over back-end architecture, technical direction and delivery. Youll work across C#/.NET, APIs, system design and legacy modernisation, while helping the wider team adopt better engineering practices and make effective use of AI-assisted … development. What your typical day will look like: Building complex back-end services and APIs using C#, .NET and ASP.NET Core Making pragmatic architectural and technical decisions Modernising functionality from a large WinForms/legacy platform Working closely with Engineering, Product and technical stakeholders Using AI coding tools ...

GoodScotland Scotland Aberdeen CityPermanent Oil & Gas 2 x C#/.NET Desktop Software Engineer - Aberdeen – Permanent Hybrid 3 days on site, 2 days remoteNo sponsorship available Key ResponsibilitiesMust HaveDesign, develop, and maintain complex desktop and cloud applications using modern software engineering practices, including … : 5 to 15 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 (.Net) - York/Hybrid A well-established software business is modernising a large Windows desktop platform into a modern web product, and theyre looking for a Senior .NET Developer to play a key role in that transformation. ...

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 ...

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 ...

tech company in Manchester is seeking a Senior Software Engineer to join their product team. In this role, you'll be involved in all aspects of product development from inception to deployment, with a focus on teamwork and engineering best … practices. The position offers a competitive salary of up to £65k and benefits such as hybrid working options. Ideal candidates will have experience in C#, .NET, and React, as well as knowledge of AWS and Docker. #J-18808-Ljbffr ...

Delta is recruiting a Senior Software Engineer to join our Power Trading … software team. You will design, build and evolve real-time client-facing applications handling large datasets, while shaping scalable architecture across a C#/.NET stack hosted on Microsoft Azure. You will work across Cosmos DB, PostgreSQL, and a Vue.js/TypeScript front end, using AI-assisted ...

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 ...

level requirements/specificationsImplement and debug multithreaded code and support integration across system/subsystem boundaries (including hardware/software interfaces)Develop C#/.NET and C++ software for GUI and data analysis; write maintainable code and use AI-assisted tools responsibly under company security … engineering fundamentals, including architecture, data structures, design patterns, event-driven design, multithreaded design, testing, and debugging.Experience with: Microsoft .NET languages including VB.NET and C# C++ programming Microsoft Visual Studio development environment Source code control systems such as GitAdherence to software design and coding standardsAbility to communicate ...

Description:Your ImpactWe 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 role offers an excellent opportunity to advance your … mature development environment. Key skills and behaviours include:Hands on Experience: Around 4 years of practical experience in software engineering using C# .NET, delivering reliable solutions as part of a team.Technical Foundations: A good understanding of object-oriented design and familiarity with frameworks and tools such ...

Description: Your ImpactWe 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 role offers an excellent opportunity to advance your … mature development environment. Key skills and behaviours include: Hands on Experience: Around 4 years of practical experience in software engineering using C# .NET, delivering reliable solutions as part of a team. Technical Foundations: A good understanding of object-oriented design and familiarity with frameworks and tools such ...

stay aligned, so when in doubt, bring people in. Key Responsibilities You’ll take ownership of features across Inventory Lab’s C# and Java-based systems, delivering them from initial design through to production. You’ll design and build clean, scalable services, APIs, and components that are maintainable, well … improvements that deliver meaningful value to Inventory Lab customers. About You 5–8+ years of professional software engineering experience Strong proficiency in C# and Java Experience building and maintaining backend services, APIs, and scalable application components Solid understanding of REST APIs, system design, and scalable application patterns ...

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 ...

language which is why we are agnostic with our hiring.We want the right people, not the 'right' language, so if you come from a C#/.NET background, bring solid fundamentals, and have an appetite for learning something new, we’ll invest in you, help you grow your skills … accountability Mentoring engineers and strengthening overall team capability Driving continuous improvement in how we build and operate systemsYour toolkit:You'll work with C#, Kafka, Kubernetes, Docker, AWS Aurora Postgres, and other modern technologies. If you haven't worked with all of these, we value skilled engineers with ...