351 to 375 of 755 C# Jobs in London

Quantitative Developer (C++/Python) for Pricing & Risk

Location
Greater London, England, United Kingdom
Traders, Structurers, and technology teams, while upholding governance, risk controls, and ethical standards across the firm. Applicants should combine strong programming skills in C++, C#, SQL, Python and Java with a solid foundation in financial mathematics and statistics. #J-18808-Ljbffr ...

Technical Consultant - Legal Software Implementations

Location
City Of London, England, United Kingdom
software, run implementation workshops, produce technical documentation and handover materials, gather requirements, and manage data migration and transformation. Strong SQL, Microsoft .NET, ASP.NET and C# skills, plus experience in legal tech or information governance, are essential to help the company grow. #J-18808-Ljbffr ...

Azure AI Engineer: Multi-Agent Solutions

Location
Greater London, England, United Kingdom
other Azure AI services to build scalable models addressing business challenges and enabling informed decision-making. The role requires strong programming skills (Python, C#, Java) and extensive experience with Azure AI tools, Databricks, Data Lake, DevOps, and MLOps. #J-18808-Ljbffr ...

Senior Power Platform & Dynamics 365 Engineer

Location
Greater London, England, United Kingdom
apps using Power Platform, Dataverse, Dynamics 365 Customer Service and Azure. You will translate designs into production, crafting Model-Driven Apps, PCF controls, and C#/.NET extensions to solve complex business challenges. Join a team collaborating with architects, analysts and testers to deliver end-to-end solutions with strong ...

Backend Engineer, Crypto Trading (Hybrid - London)

Location
City Of London, England, United Kingdom
London is seeking a Software Engineer to design and maintain backend services for crypto trading. This role requires expertise in Go, Java, C++, C#, or Python, and offers a hybrid work environment. Ideal candidates will have problem-solving skills and a proactive mindset, along with a degree in computer science ...

Senior Azure Insurance Platform Architect

Location
Greater London, England, United Kingdom
platform. You will design and evolve Azure-based, microservices-driven solutions, mentor engineers, and collaborate with product managers and underwriters. The role demands strong C#/.NET, Azure, API-first thinking, security awareness, and experience building scalable insurance applications. #J-18808-Ljbffr ...

Dynamics 365 Solutions Architect – Hybrid London

Location
Greater London, England, United Kingdom
enterprise systems, shaping how platforms and integrations fit together in a Microsoft-first environment. The role requires strong Dynamics 365 experience, prior .NET/C# development background, and the ability to lead technical initiatives while communicating with suppliers and stakeholders. #J-18808-Ljbffr ...

Market Data Software Engineer – Hybrid (London)

Location
Greater London, England, United Kingdom
productionise data, contributing to new tools for data governance, and collaborating on production issues. The successful candidate will have strong programming skills in C#, Python, or Java, and a good understanding of database design and AWS technologies. TradingHub offers a hybrid working policy, annual bonus, and further training opportunities. #J ...

Hybrid .NET Backend Engineer – REST & Microservices

Location
Greater London, England, United Kingdom
days in the office and 2 days from home, focusing on optimizing our customer order platform. We're searching for someone experienced in .NET & C#, who understands HTTP and RESTful design, and is knowledgeable in both SQL and NoSQL systems. Join us to help enhance the customer experience globally! #J ...

Automation Test Engineer - Hybrid & Impactful QA

Location
Greater London, England, United Kingdom
client-facing role to ensure solutions align with business needs. The role suits developers with Agile experience and hands-on testing in Java/C#/JavaScript ecosystems, plus CI/CD familiarity. #J-18808-Ljbffr ...

Principal Backend Engineer - Hybrid, Azure & AI-Driven APIs

Location
Greater London, England, United Kingdom
Central London participation. You will stay hands-on in core backend work while guiding teams across API design, integrations, and event-driven systems, using C#/.NET, Python and Azure. You’ll influence architectural direction, collaborate with stakeholders, and help advance testing, standards and AI-enabled development across the platform. ...

Senior .NET Engineer: Scalable Backend & API Expert

Location
Greater London, England, United Kingdom
backend systems. You’ll design and maintain robust APIs for web and mobile, emphasize security and performance, and mentor junior engineers. Strong DOTNET/C#, REST, and Agile experience are essential. #J-18808-Ljbffr ...

Azure DevOps Engineer: Cloud Pipelines & .NET Solutions

Location
City of Westminster, England, United Kingdom
production environments, ensuring security, monitoring and performance considerations are built in. You will collaborate with IT and partner teams while enhancing solutions using C# and .NET. The role involves hands-on cloud work, Infrastructure-as-Code deployments, and contributing to a range of Azure-based initiatives. #J-18808-Ljbffr ...

Lead AI-Driven Software Engineer – MVP & Cloud

Location
Greater London, England, United Kingdom
delivery while safeguarding architecture and security. You will collaborate with stakeholders to shape product strategy, manage backlogs, and implement scalable cloud-based solutions using C# and TypeScript/Node.js. #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 ...

Remote Full-Stack Engineer (Angular & .NET) – Contract

Location
Greater London, England, United Kingdom
seeking a genuine Full Stack Developer to join our software engineering team on a contract basis, spanning frontend and backend work with Angular and C#/.NET to deliver modern, business-critical applications. You will own features from requirements through development, testing and deployment, collaborate in code reviews, and help ...

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 ...

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 ...

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 ...

Backend Engineer — Scalable APIs & AI Systems (Remote)

Location
Greater London, England, United Kingdom
Threecolts is seeking an experienced software engineer to drive backend features for Inventory Lab, using C# and Java. You’ll design scalable services, APIs, and components, ensuring they are well-tested and maintainable across production systems. You will collaborate with Product, QA, and DevOps to deliver value, debug issues ...

Full-Stack Dev Lead: Azure/.NET Cloud Solutions

Location
City Of London, England, United Kingdom
This role will bridge the technology-business gap and shape the future with innovative user experiences. The ideal candidate will have strong proficiency in C#/.NET, Azure, and experience in building scalable applications. Responsibilities include developing cloud-based solutions, implementing APIs, and harnessing modern DevOps practices. #J-18808-Ljbffr ...

Senior .NET Backend Engineer (Azure) - Payments Modernization

Location
Greater London, England, United Kingdom
seeking a hands-on Senior Backend Engineer to join a fast-growing team of experts. You will own backend development in .NET/C#, work with Azure, and help modernize a secure payment stack while integrating with CI/CD workflows. Location options include London (Hybrid) or fully remote from ...

C# Developer

Hiring Organisation
CEI England Limited T/A CEI GB
Location
Isleworth, London, United Kingdom
Employment Type
Contract
Contract Rate
£380 per day
Senior C# Developer Location: Osterley, UK About the Role We are looking for a talented and passionate Software Engineer to join our engineering team based in Osterley . This is an exciting opportunity to work on modern, scalable applications using the latest technologies across backend, frontend, cloud, and DevOps. … while collaborating with cross-functional teams in an Agile environment. Key Responsibilities Design, develop, and maintain scalable backend services using Java and/or C# . Build modern, responsive user interfaces using ReactJS . Develop and support RESTful APIs and microservices . Design, optimize, and maintain database solutions using Oracle ...

Senior Machine Learning Engineer

Hiring Organisation
Hexwired Recruitment Limited
Location
London, United Kingdom
Employment Type
Contract
London, please apply. For more information on this role, or any other jobs across; Embedded, C++ programming, Embedded Linux, Golang Development, FPGA, Python, Javascript, C#, Electronics, Secure Boot, Power Electronics, Digital Design, Machine Learning, Data Science or Simulation, contact us today. ...