7 of 7 Senior C# Software Engineer Jobs in London

Senior Software Engineer AI Native (MUST HAVE AI EXPERIENCE, C#, REACT, TYPESCRIPT AND AZURE)

Location
London, United Kingdom
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 (C#, Azure & AI) | Leading PE | London

Location
Greater London, England, United Kingdom
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 ...

Senior Software Engineer (C# .NET) | London

Location
City Of London, England, United Kingdom
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 ...

Senior Software Engineer (C# / .Net) · London ·

Location
Greater London, England, United Kingdom
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 ...

Senior Software Engineer - C#/.NET & SQL for Trading

Location
Greater London, England, United Kingdom
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 ...

Senior Software Engineer with C# .net Fixed Income FX

Location
Greater London, England, United Kingdom
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 ...

Fullstack Senior Software Engineer (TypeScript, C#, AWS) 12 mnth Maternity Cover

Location
Greater London, England, United Kingdom
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 ...