726 to 750 of 933 C# Jobs in the UK

C# Developer – Fixed Income Options London | Hybrid | Leading Options Market Maker A leading global options market maker is expanding its Fixed Income Trading team in London and is seeking a junior to mid-level C# Developer to join a high-impact, front-office engineering environment. You’ll work directly with … enhance trading tools and systems that support pricing, execution, and research across fixed income options markets. About this role: Develop and enhance high-performance C# trading applications used by front-office teams Collaborate closely with traders and quantitative researchers to enable new trading strategies Build scalable, low-latency systems ...

Lead C# Full Stack Software Engineer Location: Solihull Employment Type: Permanent Salary: £80,000 - £100,000 (DOE) We're working with a well-established and growing organisation that is looking to appoint a Lead Software Engineer to take ownership of a critical engineering team and play a key role … Experience Strong experience in a Lead/Senior Engineering role Proven ability to run development teams and Agile ceremonies Extensive hands-on experience with: C# (.NET - latest versions) Angular (latest versions) Strong background in code quality, reviews, and best practices Experience delivering complex systems in a production environment Excellent communication ...

C# Software Developer Leicester/Hybrid Role Overview: You will play a key role in transforming my clients internal applications using modern Microsoft tools. You'll work on both new and existing systems, helping to shape our current and future software and data landscape. This role offers great opportunities … Strong planning and prioritization skills. Considerate of how your decisions affect others. Technical Skills: Ability to debug and interpret legacy code in Visual Studio.Net, C#, WPF, ASP.Net, REST, SSIS, TSQL, and SPROCs. Experience in migrating legacy systems to modern platforms like Power Apps and Azure SQL. Familiarity with API integrations ...

Senior Integration Developer (.NET/C#/Azure) We are looking for a Senior Integration Developer to play a key role in shaping and delivering modern integration capabilities across a complex technology landscape. This position will focus on designing scalable, secure, and adaptable integration solutions that enable seamless connectivity between … systems, applications, and data sources. Skills & Experience Strong background in developing APIs, backend services, and integration components using .NET (C#) . Financial services is a MUST. (Insurance, Pensions etc.) Practical experience with Azure-based integration tooling, including Logic Apps, API Management, Service Bus, and Event Grid. Good knowledge of common ...

Senior Integration Developer/Engineer (.NET/C#/Azure) We are looking for a Senior Integration Developer to play a key role in shaping and delivering modern integration capabilities across a complex technology landscape. This position will focus on designing scalable, secure, and adaptable integration solutions that enable seamless … connectivity between systems, applications, and data sources. Skills & Experience Strong background in developing APIs, backend services, and integration components using .NET (C#). Financial services is essential (Insurance, Pensions etc .). Practical experience with Azure-based integration tooling, including Logic Apps, API Management, Service Bus, and Event Grid. Good ...

gain awesome exposure to multiple technologies and develop true full-stack skills by building applications in Angular and React, contributing to the backend in C#, and working across the full SDLC Requirements Expsure to C#/.NET Frontend experience gained through a commercial role Skills in JavaScript or TypeScript, plus ...

client based in Milton Keynes is seeking an experienced C# .NET Web Developer to join their forward-thinking digital team. You'll play a key role in delivering projects from concept to deployment, working closely with designers, strategists and developers to create impactful web and mobile solutions. This is hybrid … position. You will: Develop using C#, ASP.NET, SQL/MySQL, VueJS and Angular. Build complex web solutions, mobile apps and system integrations. Develop APIs and integrate third-party and AWS services. Contribute to AI-driven solutions, including OpenAI integrations. Essential skills: Minimum 4 years' commercial C# .NET experience. Strong ...

Software Developer Key Technologies: C#, .NET, .NET Core, Azure, SQL London Perm Role | Hybrid Working Structure £75,000 - £95,000 Harrington Starr has partnered with a global Investment Bank who are looking to hire a seasoned Senior C# Developer with extensive experience developing Front Office trading systems. Key Responsibilities: Design … develop and maintain Front Office systems written in C#, ,NET Collaborate closely with a variety of internal and external stakeholders around the globe from product managers to traders Developing with the existing systems technologies and integration with cloud based architecture (azure) Strong business knowledge with Post Trade systems Key Benefits ...

Senior Software Engineer – C#/Hardware Integration/High-Precision Systems Hybrid Working | £65,000–£70,000 + Bonus + Share Options Do you enjoy building software that directly drives complex hardware? Do you thrive at the intersection of C#, control systems and real-world engineering? Are you ready … environments. Support global deployments – Contribute to systems that operate in demanding real-world settings. Every project offers the chance to deepen your expertise in C#, hardware control systems and secure application design. About You – What You’ll Get to Work With You may already be a Senior Software Engineer ...

team, you will contribute both technically and strategically, helping shape development standards, performance optimisation, and system scalability. You will primarily work within a C#/.NET/SQL Server/ASP.NET ecosystem, developing high-performance, reliable, and maintainable applications. Key Responsibilities Design, develop, and maintain high-performance applications in C# … improvement of development processes and tooling Required Skills & Experience BSc (or higher) in Computer Science or a related scientific discipline Strong recent experience with C# and the latest .NET platform 5+ years of professional software development experience Solid experience with SQL Server, Oracle, or equivalent relational databases Strong understanding ...

Full Stack Engineer - Azure, C#, .Net, React/ReactJS Outside IR35 12 Month Contract Fully Remote (UK only) £400 - 450 Per Day We're currently working with a London based MedTech company who are searching for a Full Stack Engineer who has extensive experience working with Azure, C#, .Net … Skills/Experience Extensive commercial experience with: Azure - Azure Functions, Azure API Management, Azure Services, Azure B2C Directory, Azure Pipelines etc React/ReactJS C# .Net/.Net Core Commercial experience with: MS Visual Studio CI/CD Microservices Architecture NoSQL or Cosmos DB Git Agile/Scrum/Kanban ...

such as Azure Integration Services). Implementing complex messaging patterns (queues, topics, dead-lettering, transactions). - Azure Functions - Development and deployment of serverless code (C# preferred) for custom microservices and data transformation. - Azure API Management (APIM ) - Policy configuration, product setup, subscription management, security, and throttling. - Azure DevOps - CI/… components. - Security & Monitoring - Implementing security best practices (Managed Identities, VNET integration) and utilizing Application Insights for monitoring and alerting. - General Programming - Proficiency in C#/.NET for writing efficient Azure Functions. - Data Formats - Deep understanding of JSON, XML, and complex data mapping/transformation techniques. Person Specification Degree Level ...

design, develop, and maintain robust data integration and data warehousing solutions. This role is heavily focused on Microsoft SQL Server, SSIS, and .NET/C# , supporting enterprise reporting, analytics, and business-critical applications. This is a day rate role with a leading international bank. You will work closely with data … maintain SQL Server databases (tables, views, stored procedures, functions) Optimise query performance and ensure data integrity and accuracy Develop and support .NET/C# applications that interact with SQL Server databases Troubleshoot data issues and perform root-cause analysis Translate business requirements into effective technical solutions Maintain technical documentation ...

Senior Software Engineer to design and build scalable backend services and APIs. You’ll be responsible for: Developing backend services and REST APIs using C# and .NET Core Writing efficient SQL queries and stored procedures Owning backend architecture and coding standards Collaborating with frontend and distributed engineering teams Supporting cloud … ready services using containerisation and AKS What we’re looking for: Strong experience with C# and .NET Core Solid SQL Server and performance optimisation skills Experience with Entity Framework Core and/or Dapper Background in API-driven or SaaS environments Exposure to Docker/Kubernetes is desirable ...

Software Developer 4 Days per week in the Portsmouth Office C#, .Net Core, VueJS, Typescript £45,000 - £50,000 Software Developer required to join a progressive and leading company within the automotive industry.As a Software Developer you will help to transform the whole digital product suite. They want to take … some greenfield projects and using best practice engineering processes and approaches, and driving the capabilities of the platform, ensuring continuous product improvement. Skills Required: C# .Net Core Typescript Experience in VueJS (Preferable), React, Angular. MS SQL Server/T-SQL Experience with modern CI/CD pipelines highly desirable Understanding ...

+ benefits If you're a technically strong engineering leader who built your career on solid engineering foundations (whether in C#/.NET or modern JavaScript frameworks) and still care deeply about code quality, DevOps maturity, and scalable systems, this is a genuinely exciting opportunity. We're partnered with … standards and lead the next phase of platform evolution. The Tech Environment The company's stack has evolved. Originally built on a Microsoft/C#/.NET foundation, the platform has transitioned to a more modern stack including: NestJS/NodeJS, Vue, Redis, SQL Server, Snowflake. They are open ...

Software Developer 4 Days per week in the Portsmouth Office C#, .Net Core, VueJS, Typescript £45,000 - £50,000 Software Developer required to join a progressive and leading company within the automotive industry. As a Software Developer you will help to transform the whole digital product suite. They want … some greenfield projects and using best practice engineering processes and approaches, and driving the capabilities of the platform, ensuring continuous product improvement. Skills Required: C# .Net Core Typescript Experience in VueJS (Preferable), React, Angular. MS SQL Server/T-SQL Experience with modern CI/CD pipelines highly desirable Understanding ...

Part-time SeeByte, the global market leader in the development of smart software for uncrewed maritime systems, is hiring! We are looking for a C# skilled Software Developer to join the team in Edinburgh or Bristol (60% time in Edinburgh or Bristol office). This role can be offered … within role and become a software engineering expert, developing exciting uncrewed software systems. Key Responsibilities of the role: Design, implement, test, and deliver robust C# software solutions Deliver work to a high standard whilst proactively identifying and suggesting software improvements Help to understand and break down requirements aligned with ...

Part-time SeeByte, the global market leader in the development of smart software for uncrewed maritime systems, is hiring! We are looking for a C# skilled Software Developer to join the team in Edinburgh or Bristol (60% time in Edinburgh or Bristol office). This role can be offered … within role and become a software engineering expert, developing exciting uncrewed software systems. Key Responsibilities of the role: Design, implement, test, and deliver robust C# software solutions Deliver work to a high standard whilst proactively identifying and suggesting software improvements Help to understand and break down requirements aligned with ...

5+ years building production-grade applications Strong hands-on experience in Golang with 3+ years developing scalable backend services Strong hands-on experience in C#/.NET with 3+ years building enterprise-grade applications Mandatory experience designing, developing, and maintaining microservices-based architectures Strong understanding of distributed systems, service … overall software development experience Proven experience delivering microservices-based systems in a production environment Minimum 3+ years of hands-on experience in Golang and C#, with strong proficiency in Python Experience owning services end-to-end, from design and development to deployment and support Ability to contribute to architecture decisions ...

SoftwareDeveloper(API Development/Backend Node.js, C#, Fullstack) Birmingham, West Midlands (Hybrid 1 day onsite a week) 55k + Benefits Were partnering with a leading enterprise software house in Birmingham that is expanding its engineering team. Theyre looking for a Software Engineer with strong API and backend development experience … youll take ownership of backend services and integrations, designing and developing robust APIs that power enterprise software products. Youll work primarily with Node.js and C#, collaborating with cross-functional teams to deliver well-architected, maintainable solutions. Key Responsibilities Design, build, and maintain RESTful APIs and backend systems. Develop high-quality ...

month contract Rate: 65ph UMB (Inside IR35) Role details: Our client, a leading consultancy in the defence and aerospace sector, is currently seeking a C# Software Engineer to join their dynamic team. This is a contract position available in either Stevenage or Bristol, with an initial duration of 12 months … Project Leads and Simulation Architects, you will design and develop simulation components representing an end-to-end weapon system in a synthetic environment using C#, C++, and integration simulations, adhering to industry standards. You will be a part of a heterogeneous agile development team consisting of engineers from various disciplines ...

user behaviour insights. Product Development (.NET/Angular/APIs) Design, develop, and maintain features across our policy and claims management product using: .NET (C#), ASP.NET Core Angular SQL Server and MongoDB RESTful APIs and NServiceBus for messaging Contribute to technical design, code reviews, and shared libraries/services across … dashboards and reports to track Perform exploratory data analysis to surface insights Skills & Experience required Strong commercial experience developing production systems with: .NET/C# ASP.NET Core or equivalent web frameworks Angular (or similar modern SPA framework) SQL Server (schema design, complex queries, performance tuning) MongoDB (or equivalent NoSQL document ...

Support estimation, planning and prioritisation activities Translate business needs into clear technical solutions Technology Environment The organisation works with a modern backend stack including: C# using the latest .NET LTS Azure Service Bus and RabbitMQ Docker, Kubernetes and Helm SQL Server, Azure Storage and Redis You do not need experience … modern, cloud-based backend environment. Essential Experience Strong experience building and supporting backend systems in production Proficiency in a strongly typed language, ideally C#/.NET Solid understanding of software engineering principles and clean code practices Experience balancing technical quality with commercial delivery Confident communicator across technical and non-technical ...

scalable, cloud-first solutions capable of handling high data throughput and large data sets. The Environment The platform has evolved from a Microsoft/C#/.NET foundation into a modern stack including: NestJS, NodeJS, Vue Redis, SQL Server & Snowflake AWS (cloud-first architecture) Strong .NET Architects who've worked … Influence AI architecture and modern data practices What We're Looking For 3-5+ years in a Software Architect role Strong engineering background (C#/.NET or modern JS/TS stacks) Experience within mature B2B SaaS environments Deep knowledge of cloud architecture (ideally AWS) Experience with microservices, event ...