26 to 50 of 59 .NET Jobs in the City of London

systems and integrations fit together in a Microsoft-first environment, guiding technical decisions and roadmaps. The role requires a strong background in software development (.NET/C#) and proven ability to translate #J-18808-Ljbffr ...

King Resourcing is seeking an experienced Technical Project Manager to lead the modernisation of legacy applications to .NET solutions deployed in Azure and OpenShift. Based in London, the role is a 4-6 month contract with hybrid on-site/remote work. You will bridge business and technical teams ...

month rolling contract, working 3 days per week in Central London, paying £720-£775 per day inside IR35. Candidates with strong C# .Net skills and knowledge of Azure are encouraged to apply. #J-18808-Ljbffr ...

directly with the founders and CTO to ship features daily for real customers and challenging use cases. You’ll code mostly in C# on .NET Core, with Terraform and HTMX frontend work, and you’ll help shape architecture, CI/CD and cloud deployments in a fast-paced, office ...

high-volume data environments. You will shape technical architecture and drive best practices in software engineering. Ideal candidates have hands-on experience with .NET, distributed systems, CI/CD, Docker and Kubernetes, and a proven ability to balance rapid delivery with long-term maintainability. #J-18808-Ljbffr ...

collaborating with cross-functional teams and trading SMEs. The role requires hands-on work on distributed, event-driven, cloud-native systems, with experience in .NET/C#, Docker, Kubernetes, AWS, and testing frameworks. #J-18808-Ljbffr ...

This position allows you to join a fast-growing technology organisation focused on the critical migration and architectural evolution of our .NET services from AWS to Azure. If you are passionate about cloud-native transformation and want to lead the shift toward asynchronous, high-scale architectures, this opportunity ...

Senior C# Developer/Software Engineer (C# .Net AWS Python) London/WFH to £100k Would you like to join a growing and profitable start-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and progression … supported learning Impactful role working on cutting edge technology Apply now to find out more about this Senior C# Developer/Software Engineer (C# .Net AWS Python) opportunity. ...

science, engineering, or related field 8+ years of experience in software development, with a focus on building scalable and reliable systems Extensive knowledge of DotNet C#, LINQ, MS SQL, Entity Framework and related technologies Capable to use version control software such as GIT Knowledge of SOLID principles Knowledge of clean ...

Senior .NET Developer Location: London (Hybrid - 3 Days Office) Process: Quick 2-Stage Interview The Role Client is hiring a Senior .NET Developer to build a brand-new, greenfield electronic trading platform for Fixed Income. You will drive architecture and design for a high-throughput, low-latency transaction … high-volume data streams. Maintain high test coverage (NUnit/Moq) and automated CI/CD pipelines. Requirements Core Tech: Strong C#, ASP.NET/.NET Core, Web APIs. Real-Time Data: Solid experience in multithreading , asynchronous programming , and low-latency/high-throughput processing. Messaging: Hands-on experience with ...

Senior .NET Developer Location: London (Hybrid - 3 Days Office) Type: Permanent The Role Join a high-performing team to build a brand-new, greenfield electronic trading platform for Fixed Income. You will drive technical architecture, system design, and delivery using modern AWS cloud infrastructure and microservice design. Key Responsibilities … automated CI/CD pipelines. Collaborate with partner tech teams to scale platform performance. Required Skills Core Tech: Strong C#, ASP.NET/.NET Core, Web APIs. Messaging: Hands-on experience with RabbitMQ (or TIBCO/SignalR). Cloud & Tools: AWS (EC2) , Docker, Git/TeamCity. Concepts: Multithreading, async programming ...

drive efficiency, speed up transactions, reduce risk, and improve the end-customer experience. Our platform is built on a proven C# and .NET foundation, and we're building what comes next on top of it. That means new frontier AI capabilities in TypeScript, sitting alongside a C# estate … problems worth solving. Our Technology Stack We believe in using the right tool for the job. Our current stack includes: Backend: TypeScript, Node.js, C#, .NET Frontend: TypeScript, React Cloud & Infrastructure: AWS (ECS, Lambda, SQS, DocumentDB, DynamoDB), Terraform, SST (Infrastructure as Code) Architecture: Microservices, Microfrontends, Event-driven architecture What ...

Web Application Support Engineer Location : Canary Wharf, London - 3 days a week onsite expected. Daily Rate: £416.00 Umbrella Contract Length : Up to 2 years likely for strong candidates Our client, a leading financial institution in ...

high-performing technology team responsible for architecting, developing, and enhancing sophisticated trading and research systems. This role would suit a strong C#/.NET engineer who enjoys solving complex technical problems and wants to have genuine influence over the architecture and direction of the systems they build. You will … practices, while working closely with researchers, traders and other technical specialists. Key Responsibilities Design, develop and maintain high-performance applications using C# and modern .NET Take ownership of significant software development projects from initial design through to production Contribute to and lead architectural and technical design decisions Design ...

hour, multi‐region trading operations (follow‐the‐sun handover, timezone‐aware processing across London/New York/Singapore). Expert‐level C#/.NET (LTS): back‐end services with ASP.NET Core. Experience designing and delivering event‐driven, service‐oriented back‐end systems (message brokers, async workflows, API design … production trading environment. Experience building desktop applications that host web content (e.g. Electron, Tauri, or custom .NET host), comfortable with WebSocket bridges, local service APIs, or IPC mechanisms to connect web UIs with native desktop applications. Sufficient front‐end literacy (React, TypeScript, Node) to make architectural decisions, review code ...

seeking a Software Engineer to join our Technology team in London. You will design, build and support applications using Angular and .NET/.NET Core, and contribute to cloud-native services in Microsoft Azure. You’ll work across the full lifecycle, collaborating with product owners and engineers ...

Senior Full Stack Lead Engineer ReactJS, TypeScript, JavaScript, C#/.NET Banking London This is a new and exclusive opportunity for a Senior Full Stack Lead Engineer/software developer with expertise across ReactJS, TypeScript, JavaScript, C#/.NET to join this investment Banking client as they expand … their full stack software developer team in London city. Role details Title: Senior Full Stack Lead Engineer Technical stack: ReactJS, TypeScript, JavaScript, C#/.NET Employer: investment Banking Location: London City and home working hybrid 50/50% Permanent role, salary £90,000- £130,000 plus bonus This ...

Senior Full Stack Lead Engineer ReactJS, TypeScript, JavaScript, C#/.NET Banking London This is a new and exclusive opportunity for a Senior Full Stack Lead Engineer/software developer with expertise across ReactJS, TypeScript, JavaScript, C#/.NET to join this investment Banking client as they expand … their full stack software developer team in London city. Role details Title: Senior Full Stack Lead Engineer Technical stack: ReactJS, TypeScript, JavaScript, C#/.NET Employer: investment Banking Location: London City and home working hybrid 50/50% Permanent role, salary £90,000- £130,000 plus bonus This ...

implement advanced AI architectures such as Retrieval-Augmented Generation (RAG) and Reinforcement Learning with Human Feedback (RLHF); lead the development of applications using React, .NET, Python, or Node.js, ensuring scalable, maintainable, and performant solutions. Team Management: Manage and mentor engineering managers, leads, and developers, fostering a culture of excellence … proactively address issues that may impact delivery; maintain strong client relationships through regular communication and feedback loops. Qualifications Technical Expertise: Extensive experience in .NET (C#), Python (Django, Flask), or Node.js (Express.js), with hands-on experience building backend systems and APIs; experience on React for front-end development. Cloud & Architecture ...

experiences Build and automate workflows using Azure Logic Apps Create clean front-end features using React, Angular or Vue.js Deliver back-end services using .NET, Node.js, or Python Work with JSON and JavaScript to build and consume data-driven interfaces Script and automate operational tasks using PowerShell Apply strong … integration layers Strong Azure capability, including Azure Logic Apps Front-end development experience with React/Angular/Vue.js Back-end development experience with .NET, Node.js or Python Working knowledge of C# and JavaScript, with confidence using JSON Ability to develop with security in mind, particularly around Azure ...

Full Stack Developer (.NET/Angular) Permanent | Up to £120,000 + Bonus | Hybrid Working We're recruiting for a talented Full Stack Developer to join a high-performing technology team within a fast-paced commodities trading environment. This is an opportunity to work on business-critical applications that … innovation Skills & Experience Required Strong commercial experience with Angular 18+ Experience with NGRX Experience using AG Grid/MG Grid Strong development experience with .NET 8+ Full Stack development background Experience delivering enterprise-scale applications Strong communication and stakeholder management skills Desirable Experience Commodities trading experience Physical oil trading ...

implementation, ensuring quality and timely delivery of solutions. The ideal candidate has a strong background in leading high-performance teams and expertise in .NET technologies. Join us to foster continuous improvement and innovation within the engineering team. #J-18808-Ljbffr ...

working with a prestigious insurance client seeking an experienced Technical Project Manager to lead the modernisation of legacy business applications into modern .NET solutions deployed within Azure and OpenShift environments. This is a highly visible role requiring a technically credible Project Manager who can work closely with business stakeholders … Project Manager who can bridge the gap between business and technology teams, guiding applications through the full lifecycle from legacy platforms through to modern .NET solutions deployed into Azure/OpenShift production environments. Key Experience Required Proven experience as a Technical Project Manager or Technical Delivery Manager. Strong understanding ...

global, market leading B2B SaaS business, youll lead the design and implementation of secure, identity-driven backend services in a modern C#/.NET environment. Your work will centre on authentication, authorization, and secure event-driven architectures. Youll own our Auth0 integration end-to-end , ensuring our platform meets … thinks deeply about threat models, defence-in-depth, and secure-by-default engineering. What Youll Do: Architect and implement secure backend services in C# & .Net Own and evolve our Auth0 identity platform: tenant configuration, flows, hooks, rules, MFA, RBAC Design and maintain token-based security models (OIDC, OAuth2 ...

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 ...