26 to 45 of 45 C# Software Engineer Jobs in the UK

Kainos Group plc is seeking a Lead Software Engineer (Consultant) to lead teams and deliver high quality C#/.NET solutions for global customers. You will mentor developers, drive technical decisions, and interact with customers to shape product direction. You will work in a fast ...

Klipboard is seeking an AI-focused software engineer to advance AI features inside our existing C# .NET products. You will design prompts, craft context strategies, integrate LLMs, and ensure high-quality, measurable results within production systems. You will work in a fast-paced, hybrid environment ...

Caxton Associates LP. is looking for an experienced Software Engineer to lead a team in London. This … hands-on leadership role involves designing scalable systems, owning delivery across projects, and mentoring engineers. Candidates should have over 8 years of experience with C#, .NET, and other technologies. Strong communication and a solid understanding of software development practices are essential. Knowledge in finance and market data ...

Jobtailor in London is seeking a seasoned software engineer to design and build scalable services aligned with best practices. You will work across product, delivery and engineering teams to translate business needs into robust technical solutions. The role emphasizes architectural input, maintainable code, and leadership ...

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 … 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 ...

leading governing body is seeking an experienced Senior Software Engineer for a 6-month contract. You will join an agile environment, contributing to the development and delivery of business-critical applications. Key responsibilities include supporting applications and improving development processes such as CI/CD. Essential ...

growing Fintech companies in the UK and are experts in the payment and financial services arena. We now have a fantastic opportunity for Software Engineer to join our Research and Development team. Within this role you will: Assist in the requirements gathering process to help ensure … opportunities; reading professional publications. About You To be successful in this role you will need to: Experience of using object oriented programming languages, especially C# and .NET. Experience of using SQL Server or equivalent directly via Management interface or software application. The ability to solve problems ...

Role Purpose We are seeking a highly experienced Principal Software Engineer to provide technical leadership across our technology function, driving the design, delivery, and continuous improvement of enterprise applications and digital services. This is a senior hands‐on role for an individual who combines deep technical … design and architecture of scalable, secure, and resilient enterprise applications, ensuring alignment with business and technology strategies. Drive Technical Leadership – Define and champion software engineering standards, architectural patterns, best practices, and reusable frameworks across the engineering community. Own Delivery Outcomes – Lead complex technology initiatives from concept through ...

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 … features and improvements that deliver meaningful value to Inventory Lab customers. 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 ...

Klipboard is seeking an AI Engineer to land AI features inside established C# .NET codebases, from prompts to full LLM integration. You will design prompts, manage context, and ship features quickly while evaluating outcomes with real business cases. Join a team that collaborates with product managers ...

Zeti, an award-winning technology company based in Shoreditch, is seeking a Senior Engineer to lead the delivery … maintenance of ZetiOS. You will work closely with product managers and developers to drive quality standards and deliver best-in-class functionality using C# on Azure Functions, React, and TypeScript. The ideal candidate will have a strong background in software development, particularly in back-end technologies ...

Role Overview ICRV are seeking an exceptional Principal Engineer to own the architecture, design and hands‐on delivery of a desktop platform automating and streamlining trading desk workflows. This is a high‐visibility player‐coach role that may evolve to include formal people management. Role Responsibilities … hour, multi‐region trading operations (follow‐the‐sun handover, timezone‐aware processing across London/New York/Singapore). Expert‐level C#/.NET (LTS): back‐end services with ASP.NET Core. Experience designing and delivering event‐driven, service‐oriented back‐end systems (message brokers, async workflows, API design ...

company is seeking a Market Making Senior Software Developer in the UK to design, develop and maintain internal and external facing applications. You will build scalable services supporting multiple business streams across the company and collaborate with product owners and architects to translate requirements into robust technical solutions. ...

improvement. Own the design and architecture of scalable, secure, and resilient enterprise applications, ensuring alignment with business and technology strategies. Define and champion software engineering standards, architectural patterns, best practices, and reusable frameworks across the engineering community. Lead complex technology initiatives from concept through to deployment and support … with Microsoft Azure services and cloud-based application development. Strong experience with relational databases and data management technologies, particularly SQL. Deep understanding of software architecture, system design, data structures, and algorithms. Experience of developing front-end applications Experience working with data warehouse and analytical platforms Proven technical experience ...

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 ...

consists of a dedicated team that executes complex, multi-leg synthetic strategies on behalf of institutional clients.Role OverviewICRV are seeking an exceptional Principal Engineer to own the architecture, design and hands-on delivery of desktop platform automating and streamlining trading desk workflows. This is a high-visibility player … hour, multi-region trading operations (follow-the-sun handover, timezone-aware processing across London/New York/Singapore)Technical:Expert-level C#/.NET (LTS): back-end services with ASP.NET Core.Experience designing and delivering event-driven, service-oriented back-end systems (message brokers, async workflows, API design ...

data and trading simulations Qualifications A degree in computer science or a related field At least 5-7 years of experience in a software engineering role A strong background in data structures, algorithms, and object-oriented programming in C++ Brilliant problem-solving abilities The ability to manage multiple … will have the opportunity to cover a broad spectrum of hands‐on development projects; the right person could range from a mid-level engineer that is looking to start their career at the company, to an experienced professional that is looking to make significant contributions to our global ...

designers to translate designs into responsive, accessible front-end solutions Collaborate with... About the Role We’re looking for a talented Front-End Engineer with experience in React to help build intuitive, high-performance interfaces that enhance the user experience across our platform. You’ll work closely with... ...

Power Platform, especially: Model-Driven Apps, Dataverse, Power Automate Proven experience building enterprise-grade Power Platform solutions Extensive experience customizing Power Platform applications using: - C# Plugins, PCF Controls, Custom Connectors Experience in writing and integrating APIs Hands-on experience with: Azure API Management, Logic Apps, Azure Functions Experience with … Power Platform solutions for enterprise applications Build and enhance Model-Driven Apps, Dataverse solutions, and Power Automate workflows Develop custom components and integrations using C# Plugins, PCF, APIs, and Custom Connectors Implement integration solutions using Azure APIM, Logic Apps, and Azure Functions Manage code repositories, deployment pipelines, and release ...