776 to 800 of 2,244 Permanent C# Jobs

Senior Infrastructure Developer — Hybrid (Capenhurst)

Location
England, United Kingdom
technology company in the UK is seeking a Senior Infrastructure Developer to enhance their cloud platform. The role requires strong backend development skills in C#/.NET, cloud infrastructure knowledge (preferably Azure), and an understanding of cybersecurity practices. Benefits include a competitive salary, flexible working options, and comprehensive benefits. This ...

Senior Data Engineer - Azure Cloud Platform (Hybrid Oxford)

Location
Oxford, England, United Kingdom
collaborate across the Data & BI team to scope and redevelop data solutions for enterprise reporting and analytics. The role requires strong SQL, Python and C# skills, with experience in ETL/ELT pipelines, data warehousing concepts and GDPR-compliant data handling. Hybrid work from Oxford is supported. #J-18808-Ljbffr ...

Senior D365 CE & Azure Engineer — Remote UK

Location
Greater London, England, United Kingdom
seeking a senior engineer to join a large-scale Microsoft Dynamics 365 programme in the UK public sector. You will work across D365 CE, C#/.NET, Azure and Power Platform within a mature platform with custom engineering and cloud architecture at its core. You'll take ownership of complex ...

Senior Full-Stack Engineer (Remote) - Microservices Focus

Location
England, United Kingdom
serverless environments, with a strong emphasis on maintainable, well-tested code. The ideal candidate has 6+ years of experience in React/TypeScript and C#, with knowledge of microservices, modern Git workflows, and the ability to mentor juniors. #J-18808-Ljbffr ...

Integrations Architect & Custom Solutions Developer

Location
Caldicot, Wales, United Kingdom
service support, covering Contact Center integrations, reporting, IVR interfaces and API integrations. The role requires strong SQL/MS SQL, .NET/C++/C#, JavaScript and RESTful APIs experience, with a background in telephony interfaces and #J-18808-Ljbffr ...

Mid Backend Engineer - .NET Core, Azure & Kubernetes

Location
West of England, England, United Kingdom
join our Digital Product and Technology team in Bristol. You’ll design, build, and evolve systems powering our digital services using .NET Core, C#, SQL, Azure, and Kubernetes. This role emphasizes ownership of technical design, delivering scalable solutions, and contributing to a modern technology landscape. You’ll work ...

Software Engineer - AI & Cloud Platform Developer

Location
Bracknell, England, United Kingdom
development teams building enterprise cloud CX and contact centre solutions. You will work across the full software development lifecycle, write clean code in C#, JavaScript or TypeScript, participate in testing and deployments, and contribute to reliable, maintainable software. This role requires at least one year of commercial development experience ...

Hybrid .NET Software Engineer – AI-Driven, Reliable

Location
Greater London, England, United Kingdom
Rotageek is seeking a Software Engineer in a flexible hybrid setup between London and Horsham. You will build reliable C#/.NET services, APIs and data integrations, owning features from design to production and ensuring testability, security and performance. You’ll collaborate with Engineering, QA, Product and Data, and will ...

LNG Tech Modernisation - Senior Software Engineer (Hybrid)

Location
Greater London, England, United Kingdom
platform. You’ll refactor a complex legacy system and shape the future architecture while getting hands-on with build efforts. You’ll work across C#/.NET, AWS, distributed systems and cloud-native architecture, with opportunities to influence how things are done. #J-18808-Ljbffr ...

Senior Power Platform Engineer - Enterprise Apps, Hybrid

Location
Greater London, England, United Kingdom
Dataverse, and Power Automate, with a focus on quality and scalability. The role requires strong development fundamentals, expertise in ALM practices, and experience with C# Plugins, PCF, Custom Connectors, and Azure services to deliver integrated solutions across business #J-18808-Ljbffr ...

Senior .NET Developer - E-commerce Platform Modernisation

Location
Greater London, England, United Kingdom
Disney Destinations International team to migrate legacy ASP.NET MVC 5 code, implement modern cloud-hosted architectures, and deliver robust, scalable backend solutions using C#, RESTful services, and ORM frameworks. #J-18808-Ljbffr ...

Optimizely Developer: Build Scalable CMS & Platforms

Location
Greater Lincolnshire, England, United Kingdom
Lincolnshire. You will design, develop and maintain enterprise websites using Optimizely CMS and .NET technologies for a diverse client portfolio. The role requires strong C#/.NET development, experience with ASP.NET Core and REST APIs, and a solid grasp of HTML, CSS and JavaScript. Azure/Umbraco or headless architectures ...

Automation QA Engineer: Client‐Facing, CI/CD & Frameworks

Location
Greater London, England, United Kingdom
automation using Playwright, Selenium, Cypress or RestAssured, plus CI/CD pipelines. Experience in Agile environments (SCRUM/Kanban) and coding in Java, C#, TypeScript or JavaScript is desirable; eligibility for security clearance #J-18808-Ljbffr ...

Senior Software Engineer — Azure/.NET & Angular Mentor

Location
Glasgow, Scotland, United Kingdom
Software Engineer to join one of our application delivery teams in the Digital space. The role focuses on modern software engineering using Angular and C#/.NET with Azure-based development, designing, building and operating customer-facing and internal services. You will be a senior member of a cross-functional ...

Senior Automation Test Engineer - Hybrid Role

Location
Rugby, England, United Kingdom
functional areas to ensure high-quality software releases. The successful candidate will have 5+ years of manual testing, 3+ years in automation with strong C# skills, plus experience with MS SQL/DynamoDB and AWS. Hybrid working available after probation. #J-18808-Ljbffr ...

Senior Software Engineer - Hardware Instrumentation & Data

Location
Cambridge, England, United Kingdom
small software team. Requirements include a Master’s degree in CS/Engineering/Physics and proven hardware-instrumentation delivery. Key tech spans C#, C++, MVVM, Python, and TypeScript across Windows and Linux; onsite Royston #J-18808-Ljbffr ...

End-to-End Software Engineer – Newcastle

Location
Newcastle upon Tyne, England, United Kingdom
Limited in Newcastle upon Tyne is looking for Software Developers at all levels. The ideal candidates will bring excellent programming skills in languages like C#/.NET, Java, Rust, or Python and have a passion for technology. With a culture of collaboration and curiosity, you'll engage directly with stakeholders ...

NET Developer – Fintech/Retail, Cloud & CI/CD

Location
Basildon, England, United Kingdom
SignitiveAi Ltd. in Basildon, United Kingdom is seeking a hands-on software professional with strong C#/.NET experience to upgrade, configure and debug existing systems, while writing robust unit tests and Web APIs. Requirements include 5+ years in IT/CS, Agile proficiency, and solid knowledge of SQL Server ...

Senior .NET Team Lead — Health Tech & AI Tools

Location
Oxford, England, United Kingdom
development squad, overseeing CI/CD processes, and ensuring alignment with safety and performance standards. Ideal candidates have a strong grounding in .NET, C#, and SQL Server, and possess leadership experience within cross-functional teams. Join us at System C and contribute to meaningful technology improvements in healthcare. #J ...

Software Engineer - Build Scalable Energy Tech (Hybrid UK)

Location
Greater London, England, United Kingdom
managers. The role emphasizes secure coding, CI/CD, and relational data modeling. You should have hands-on experience with modern languages (Java/C#/Python/Go/JS), containerized development, and a strong foundation in Agile methods. #J-18808-Ljbffr ...

Remote Graduate .NET Developer – Training & Growth

Location
Greater London, England, United Kingdom
team in London. You will design and develop a state-of-the-art investment banking application, working with cutting-edge technologies such as .NET, C#, and Azure. The company offers extensive training programs and career development opportunities. Ideal candidates recently graduated with a Computer Science degree and possess a basic ...

Senior Backend Engineer, Real-Time Energy Markets (Flexible)

Location
Perth, Scotland, United Kingdom
premise exposure. You’ll work in an Agile team delivering resilient, secure services and embedding observability across distributed systems. The role emphasizes .NET/C#, Docker, Azure Event Hubs, Cosmos DB, and CI/CD pipelines, with a flexible first approach and base locations in Glasgow, Perth or #J ...

Senior .NET Full-Stack Engineer - AI-Driven, Secure Clearing

Location
Greater London, England, United Kingdom
Marex Group is looking for a Software Developer specializing in C# .NET to enhance clearing technology with an AI-first approach. This role in London focuses on creating modern web-based platforms that prioritize security and compliance. The ideal candidate will leverage modern AI tools to improve code quality ...

Senior AI-First Backend Engineer (Real-Time) – Hybrid

Location
City of Edinburgh, Scotland, United Kingdom
core product team in the UK, with hybrid work in London or Edinburgh. You will build high-throughput, real-time data engines using C#, .NET, and Azure, while embracing AI-assisted coding tools and agentic development workflows. Expect to influence architecture, drive performance, and own design decisions. Ideal candidates ...

.NET Developer

Location
Greater London, England, United Kingdom
facing applications. Support the product and fix bugs reported by users and QA team. Requirements Excellent level of .NET Framework/.Net Core/C# Minimum of 2 years development experience Practical knowledge of SOLID principles Professional command of SQL, well‐versed in writing direct queries and using ...