1 to 25 of 971 Permanent C# Jobs in the UK

across architecture, tooling, and CI/CD pipelines Participate in design reviews and mentoring within an agile delivery team What You'll Bring Solid C#/.NET Core experience in production systems Proficiency with React and TypeScript Strong experience with Microsoft Azure (App Services, Azure Functions, Azure DevOps, etc.) Exposure ...

hybrid + ad hoc client site travel) Primary skills & requirements; Must hold active SC Clearance Extensive experience building services using ASP.NET Core and C# Experience developing front-end web applications using modern frameworks such as React, Angular, or Blazor/Razor Experience with cloud technologies such as AWS or Azure ...

equivalent) in Computer Science, Software Engineering, or related field. Minimum 2–3 years professional software development experience. Strong programming skills in Java, Python, C#, JavaScript, or PHP. Experience with frameworks such as React, Angular, Node.js, Django, or .NET. Understanding of databases such as MySQL, PostgreSQL, or MongoDB. Familiarity with RESTful ...

juniors, share best practices, and collaborate closely with product and QA. Troubleshoot production issues and contribute to architectural decisions. Must-have: Commercial experience in C#/.NET, Java, Golang, or Python. Hands-on with RESTful APIs, JavaScript/TypeScript/React (hooks, routing). Practical CI/CD experience (Azure ...

. Proficiency in AI technologies and their practical application within financial services. Strong understanding of application architecture in modern development languages, including Java, .NET (C#), Python, and JavaScript/TypeScript frameworks (e.g., Angular, React). Experience working on initiatives delivering regulatory-driven changes (e.g., PSD2, ISO 20022, AML/ ...

TypeScript React.js (preferred), Angular, or Vue.js Responsive design (Bootstrap, Tailwind), state management (Redux, Context API) Front-end testing (Jest, React Testing Library, Cypress) Backend C#, ASP.NET Core/.NET 6+ RESTful and GraphQL APIs Entity Framework Core, LINQ Authentication & authorisation (OAuth2, JWT, Azure AD) Secure coding and API versioning Data ...

Senior C# Developer/Engineer (C# .Net Core) London/WFH to £85k Are you a skilled C# Developer looking to progress your career in a senior, hands-on role? You could be at a successful and scaling Retail FX Brokerage working on Greenfield systems. As a Senior C# Developer … designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React deployed to Azure. You'll focus on C# .Net backend development within an AWS environment, but also with exposure across the full technology stack in a modern ...

tech landscape. In this role, you'll: Lead the design and development of scalable web applications using ASP.NET Web Forms, .NET Core, and C# Architect backend solutions with SQL Server, T-SQL, and Entity Framework Build intuitive UIs with HTML, CSS, JavaScript, and jQuery Develop and integrate RESTful APIs Contribute ...

technical decisions and improving development practices Building cloud-first solutions with scalability and performance in mind Tech Stack Core technologies: .NET/.NET Core C# JavaScript Plus experience with the following: Azure (App Services, Functions, Storage, DevOps) ASP.NET MVC/Web API SQL Server & relational databases Entity Framework RESTful APIs ...

Looking For Essential: A degree (2:1 or higher) in Computer Science, Engineering, Maths, or a related technical subject Strong programming skills in C++, C# or Python Sound understanding of object-oriented design principles and software best practices Experience with test-driven development and collaborative agile workflows A passion ...

databases (e.g., MongoDB) or SQL (e.g., Postgres) Understanding of web standards, accessibility and development best practice Experience with Apache NiFi Bonus Skills Microservices in C# Integrating LLMs (e.g., LangChain, Vercel AI) Experience using the GOV.UK Design System and Nunjucks What You'll Love You'll be part of a culture ...

Lead positions to build a career in an internationally renowned business. What you'll need to succeed We are looking for Strong experience in C# .NET, building RESTful APIs and distributed microservices. Solid understanding of SQL Server, Entity Framework Core, and data modelling.It's a Full Stack role ...

Lead positions to build a career in an internationally renowned business. What you'll need to succeed We are looking for Strong experience in C# .NET, building RESTful APIs and distributed microservices. Solid understanding of SQL Server, Entity Framework Core, and data modelling. It's a Full Stack role ...

Next.js, or Vue for building responsive front-end experiences Strong back-end capabilities with Node.js and Express, plus experience in at least one of C#, Java, or Python for diverse system requirements Demonstrated experience designing scalable RESTful APIs, microservices architectures, and both SQL and NoSQL database solutions Solid understanding ...

testing, and documentation Solve complex technical challenges through innovative, practical solutions Essential Skills Degree (2:1 or above) in a STEM field Proficiency in C#, C++, or Python Strong understanding of software design principles and patterns Hands-on experience with test-driven development Solid OOP skills and enthusiasm for applied ...

engineering excellence in architecture, code quality, and delivery Partner with cross-functional teams to deliver solutions that solve genuine business challenges Tech Stack: Core: C#, .NET Core Architecture: Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend ...

contribute to agile delivery cycles Run SQL queries and provide data insights to support product decisions .NET Developer Skills & Experience Strong background in ASP.NET C# (.NET Core/.NET Framework) Proficient in front-end technologies – HTML, CSS, JavaScript, Bootstrap Skilled in SQL databases and event messaging (e.g. Azure Service ...

Agile environment to deliver seamless, integrated solutions. The Tech Stack We are looking for versatility and a strong grasp of modern engineering principles. Core: C#/.NET, JavaScript/TypeScript, Python, or Java. Front-End: Modern frameworks such as Blazor, React, Angular, or Vue. Cloud & DevOps: Azure/AWS/ ...

databases (e.g., MongoDB) or SQL (e.g., Postgres) Understanding of web standards, accessibility and development best practice Experience with Apache NiFi Bonus Skills Microservices in C# Integrating LLMs (e.g., LangChain, Vercel AI) Experience using the GOV.UK Design System and Nunjucks What You'll Love You'll be part of a culture ...

consistent with the general level of responsibility of this role. Skills, Experience and Knowledge: Significant experience as a professional software developer. Proficiency in C#, .Net Framework, and .Net Core (6+) Experience with: - Web Services (REST and SOAP) - Git and SCM (e.g. Azure DevOps) Experience in at least one of: - Entity ...

consistent with the general level of responsibility of this role. Skills, Experience and Knowledge: Significant experience as a professional software developer. Proficiency in C#, .Net Framework, and .Net Core (6+) Experience with: - Web Services (REST and SOAP) - Git and SCM (e.g. Azure DevOps) Experience in at least one of: - Entity ...

Lead positions to build a career in an internationally renowned business. What you'll need to succeed We are looking for Strong experience in C# .NET, building RESTful APIs and distributed microservices. Solid understanding of SQL Server, Entity Framework Core, and data modelling.It's a Full Stack role ...

apps. Experience in designing and developing RESTful API web services. Understanding of key design principles. Experience with object-oriented development. Proficiency with the C# server-side language. Proficiency with the .Net server-side framework. Proficiency with fundamental front-end languages such as HTML, CSS, and TypeScript. Proficiency with TypeScript frameworks ...

looking for... Essential skills and experience: 5+ years experience of developing complex applications using an OO language (ideally Python, but experience in C++/C#/Java/etc would also be considered) Experience working on mission-critical applications, following a robust SDLC Excellent communication and problem-solving skills ...

with ability to attend occasional team meet‐ups in London (travel expenses covered). Design, build, and maintain features across the stack: .NET (C#) based API backends, Angular (TypeScript) based frontends, SQL Server, Cosmos DB. Own mission‐critical modules such as pricing engines, itinerary or form builders, client proposal ...