951 to 975 of 2,008 C# Jobs in the UK

Senior .NET Engineer — Enterprise SaaS (Hybrid)

Location
Greater London, England, United Kingdom
Automotive Intelligence Platform, delivering high-quality, scalable software across the full stack in a collaborative environment. You will design, develop, and integrate features with C#, .NET, HTML/JS, Razor, and REST APIs, while supporting CI/CD practices and security standards. A hybrid work pattern is discussed during recruitment. ...

.NET Solutions Architect - Azure & APIs (6m Contract)

Location
Monyash CP, England, United Kingdom
days onsite per week. The contract is 6 months, outside IR35, offering a day rate of £500-£600. The ideal candidate will have strong C#/.NET, Azure, APIs and microservices experience, and be comfortable in Agile delivery environments. #J-18808-Ljbffr ...

Dynamics 365 CE Consultant — Hybrid London

Location
Greater London, England, United Kingdom
will customize D365 CE and Power Platform, delivering scalable solutions across enterprise projects while collaborating with stakeholders and other developers. The role requires strong C#, .NET, JavaScript, and PCF skills, with ALM experience and Microsoft certifications preferred. Office presence in London 2-3 days/week is expected, with ...

Senior Software Engineer (SRE) – Low-Latency Trading

Location
City Of London, England, United Kingdom
DevOps to deliver reliable, scalable systems and drive improvements across the stack. You will mentor engineers, design complex features, improve observability, and work with C#, Rust and modern tooling in a cloud/on-prem environment, embracing learning and innovation. #J-18808-Ljbffr ...

Senior .NET Engineer — Backend APIs & Mentorship

Location
Manchester, England, United Kingdom
CreateFuture in Manchester is seeking a Senior .NET Engineer to own complex backend components end-to-end. You will design and build APIs in C# and .NET Core, mentor teammates, and contribute to architecture decisions in a cross-functional scrum team. You'll work with SQL Server or NoSQL stores ...

Senior AI Engineer — Client-Facing LLM Apps

Location
London Borough of Southwark, England, United Kingdom
deliver AI assistants, agents and automations while ensuring security, testing and maintainable handover. The role emphasizes client-facing delivery, strong Python/C# development, API integrations, and governance across deployments. #J-18808-Ljbffr ...

Remote D365 CE Field Service Developer (Contract)

Location
Greater London, England, United Kingdom
developing and customizing Microsoft Dynamics 365 solutions remotely from the UK. This role requires strong expertise in Power Platform and a solid background in C# and JavaScript. You will support a critical project, collaborating with stakeholders to deliver high-quality technical solutions and enhancements. This position offers an immediate start ...

Senior Full-Stack Engineer — Scale a Cutting-Edge SaaS Platform

Location
Northern Ireland, United Kingdom
platform. The role involves designing scalable components, collaborating across teams, and improving system interactions. The ideal candidate has 5+ years of experience, proficiency in C# and TypeScript, and a strong understanding of distributed systems. This position offers the opportunity to influence significant technical decisions in a dynamic and evolving environment. ...

Senior .NET Engineer — Backend APIs & Mentorship

Location
Leeds, England, United Kingdom
CreateFuture in Manchester is seeking a Senior .NET Engineer to own complex backend components end-to-end. You will design and build APIs in C# and .NET Core, mentor teammates, and contribute to architecture decisions in a cross-functional scrum team. You'll work with SQL Server or NoSQL stores ...

Senior .NET Developer — ROAM Platform

Location
Stansted Mountfitchet, England, United Kingdom
Limited, based near Stansted Airport, is looking for a Senior Developer. In this role, you will lead the development of robust software solutions using C# and .NET technologies while mentoring junior developers. Your contributions will help maintain high-quality standards and improve the ROAM platform. The position offers ...

Sitecore Digital Developer – Hybrid (London)

Location
Greater London, England, United Kingdom
Product Owners, UX and Marketing to deliver scalable, high-performing experiences. The role requires strong Sitecore XP/AI/XM expertise, .NET/C# and RESTful API skills, along with experience in CI/CD and DevSecOps practices. #J-18808-Ljbffr ...

Client-Facing .NET/React Engineer (Azure & AI)

Location
Saint Helier, Jersey, United Kingdom
Summit, a Jersey-based specialist technology consultancy, is seeking a mid to senior developer to work across multiple client projects using C#, .NET, React, Azure and Power Platform. You’ll sit with clients to understand needs, drive end-to-end delivery, and help decide which new technologies to adopt. ...

Senior .NET Engineer — Backend APIs & Mentorship

Location
Greater London, England, United Kingdom
CreateFuture in Manchester is seeking a Senior .NET Engineer to own complex backend components end-to-end. You will design and build APIs in C# and .NET Core, mentor teammates, and contribute to architecture decisions in a cross-functional scrum team. You'll work with SQL Server or NoSQL stores ...

Frontend-Focused Full Stack Engineer (React/.NET)

Location
Belfast City District, Northern Ireland, United Kingdom
organisation to recruit a Frontend-Focused Full Stack Engineer in Belfast. The role emphasises frontend development with React, JavaScript, HTML5 and CSS, while applying C#/.NET skills to backend APIs as needed. You will maintain and enhance customer-facing web apps across a portfolio used nationally and internationally. ...

Senior EUC Engineer (Hybrid) — Trader Tools & Analytics

Location
Greater London, England, United Kingdom
Trading Front Office. You will collaborate with traders and analysts to automate workflows, build pricing tools, and extend Excel-based solutions using C# and VBA. The role requires deep Excel expertise, strong SQL Server skills, and experience with Power BI. A hybrid work model and opportunities to explore AI-driven ...

Senior .NET Engineer — Backend APIs & Mentorship

Location
City of Edinburgh, Scotland, United Kingdom
CreateFuture in Manchester is seeking a Senior .NET Engineer to own complex backend components end-to-end. You will design and build APIs in C# and .NET Core, mentor teammates, and contribute to architecture decisions in a cross-functional scrum team. You'll work with SQL Server or NoSQL stores ...

Senior Software Engineer: AI-Driven Cloud & Modernization

Location
United Kingdom
technical direction, mentoring developers, and tackling legacy systems. The ideal candidate will have over 5 years of hands-on software engineering experience, proficiency in C# and C/C++, and familiarity with cloud architectures. The position requires attendance at the Milton Park office a minimum of three days per week. ...

Senior Software Engineer - Global Finance for Entertainment

Location
Greater London, England, United Kingdom
transactions for a vast content catalog, collaborating with multiple teams across the globe. You will work on architecture and code in Java, C++, or C#, mentoring peers, and driving high-quality software delivery in a fast-evolving environment. #J-18808-Ljbffr ...

Mid Software Engineer – End-to-End Platform Ownership (Hybrid)

Location
Cambridge, England, United Kingdom
your architectural knowledge while delivering value from day one. The role offers hybrid working (in-office every two weeks) with Cambridge office, exposure to C#/.NET, React, Azure, and observability tooling, and opportunities to grow within a supportive #J-18808-Ljbffr ...

Senior Apps Dev Engineer - Real-Time Market Data & AI

Location
Greater London, England, United Kingdom
join the Commodities Technology team. You will help design scalable market data engines, APIs, and real-time distribution services across Java, Python, or C# environments. The role interfaces with Front Office desks and MQA, driving analytical capabilities and AI-enabled tooling. The position offers a hybrid work model ...

NET Solutions Architect | £500-£600/day | Outside IR35 | 6 Months

Hiring Organisation
Opus Recruitment Solutions
Location
Derby, Derbyshire, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day
looking for a .NET Solutions Architect to support the development and modernisation of customer-facing digital platforms and business-critical applications. Required: C#/.NET Azure Solution Architecture APIs & Microservices HLDs & Technical Design Agile delivery environments Desirable: Azure Functions, Service Bus, APIM SaaS platforms CRM integrations Retail, subscription or eCommerce ...

AI-Driven Test Automation Architect

Location
Sheffield, England, United Kingdom
testing quality across the team in a hands-on role. You will work on web UI, API, and cloud-service testing using Playwright with C#, Azure, and AI tooling to accelerate design and coverage, while mentoring engineers and aligning with CI/CD practices. This role is based ...

Senior Software Engineer - Hybrid Modelling & Autonomy

Location
Portsmouth, England, United Kingdom
from £50,000. The ideal candidate will have at least 5 years of experience in performant software applications and expertise in C/C++, C#, or Python. The role includes building customer relationships while applying mathematical and computational methods to solve complex problems across various sectors like defence and healthcare. ...

Senior Software Engineer — Equity & Impact (Cybersecurity)

Location
Greater London, England, United Kingdom
product direction within a world-class engineering team. The role demands 5+ years of software engineering experience across Python/Go/Java/C#, with a strong emphasis on system design and production ownership. London-based, startup pace with meaningful equity. #J-18808-Ljbffr ...