10 of 10 Contract C# Jobs in the City of London

business - Contribute to continuous improvement and knowledge sharing within the team Required Skills & Experience - Strong experience building enterprise and web-based applications - Proficiency in C#, .NET/ASP.NET - Front-end skills including HTML5, CSS3, JavaScript - Experience with REST APIs, JSON - Familiarity with Git and modern development tools (e.g. Visual Studio ...

plugins. Security Configuration: Experience designing and implementing complex, role-based security models within Power Apps. Full Stack Development: Proficiency in JavaScript, HTML, and C#, supporting both front-end and back-end development. Integration: Experience integrating with third-party services using APIs. Azure DevOps: Familiar with managing development pipelines and deployments. ...

expertise - Customer Service Workspace, case management, SLAs, unified routing, and digital channels (chat, email, voice). Strong Dynamics 365 CE development skills - hands-on C#/.NET plugins, JavaScript, customisations, integrations, and solution delivery. Power Platform experience - Power Apps and Power Automate Azure integration capability - experience with Azure Functions, Logic ...

C# Developer - Global Investment Management Firm Central London (3 days onsite/2 days remote) I'm partnering with a leading multinational investment management firm seeking a strong C# Developer to join a high-performing engineering team delivering business-critical platforms. This role requires someone confident with strong communication skills … distributed applications Enhancing systems that model financial positions, transactions and flows Driving projects from inception through design, build, testing and release Core requirements: Strong C#/.NET development experience Microservices - Back-end focus on your skills is a must RabbitMQ Advanced SQL skills (performance tuning, complex queries, data modelling) Azure ...

Microsoft Dynamics 365 and Power Platform ecosystem. This role involves customizing Dynamics 365 applications, building Power Pages (portals), developing backend services using .NET/C#, and creating frontend components using modern web technologies. The developer works on integrations, automations, and scalable solutions using Dataverse and Azure services, while collaborating with … Power Apps Portals) for external-facing web applications Develop end-to-end solutions across the stack, including frontend (HTML, CSS, JavaScript) and backend (.NET, C#, Web APIs) Configure and customize Dynamics 365 modules such as Sales, Customer Service, and Marketing Create and manage Dataverse tables, relationships, business rules, workflows ...

Senior C# Engineer (AI-Native & Agentic Engineering) .NET 8/9 AWS Lambda/SQS OUTSIDE IR35 £700£800/day 100% Remote (UK) 11-months rolling If youre a deeply senior C# engineer who wants to actually build something new, not maintain legacy, not refactor someone elses mess, this … just tickets. You influence product direction without layers of process or ceremony. What Youll Bring: Senior/Staff-level backend depth in C# and .NET 8/9 , with the ability to architect and lead distributed REST microservices. Strong authority across AWS serverless Lambda-first thinking, plus API Gateway ...

Senior C# Engineer .NET 8/9, AWS Lambda, SQS, SNS OUTSIDE IR35 £700£800/day 100% Remote 11-month rolling contract Takeaway: Lead the architecture and build of a greenfield SaaS platform as a deeply senior, hands-on C# engineer, with heavy emphasis on deep .NET engineering , high … chance to adopt modern AI-assisted development practices as part of your workflow. What Youll Bring: Senior/Staff-level backend mastery in C# and .NET 8/9 , with the ability to architect and lead distributed REST microservices at scale. Strong authority in AWS serverless engineering: Lambda-first mindset ...

role in delivering modern microservices while contributing to technical design and engineering best practice. Key Responsibilities Design and develop backend services using C#/.NET and Java (Spring Boot) . Build and support REST APIs and microservices. Contribute to architecture, technical design and system integration. Troubleshoot, optimise and support production … systems. Collaborate with stakeholders and mentor other engineers. Essential Skills Strong commercial experience with C#/.NET and Java (Spring Boot) . Proven delivery of microservices and REST APIs . Experience with distributed systems and enterprise integration. Strong SQL experience (SQL Server and/or Oracle). We're Looking ...

Senior C# Engineer (AI-Native & Agentic Engineering) .NET 8/9 AWS Lambda/SQS OUTSIDE IR35 £700£800/day 100% Remote (UK) 11-months rolling If youre a deeply senior C# engineer who wants to actually build something new, not maintain legacy, not refactor someone elses mess, this ...

Senior C# Engineer .NET 8/9, AWS Lambda, SQS, SNS OUTSIDE IR35 £700£800/day 100% Remote 11-month rolling contract Takeaway: Lead the architecture and build of a greenfield SaaS platform as a deeply senior, hands-on C# engineer, with heavy emphasis on deep .NET engineering , high ...