176 to 200 of 264 C# Jobs in London

Software Engineer, C#, .NET, Azure, React, COR7545B We’re looking for a mid-senior level Software Engineer to join the newly-created team of a leading financial services company based in Reading. The Software Engineer will work in a fully cloud-based Azure environment, to deliver new products and capabilities … platform. The Role Having brought development in-house that was previously outsourced, the Software Engineer will be responsible for developing high-quality applications using C#, .NET, React and SQL Server, ensuring clean architecture and maintainable code. The Software Engineer will be working within a complex, fully cloud-based Azure environment ...

.NET Developer, .NET 10.0, C# 14 - Computer Gaming Company - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Programmer, Full Stack Engineer, Architect, .NET Developer) Having sold over 100 million games consoles and over … opportunity to work on the full project life cycle. .NET Developer applicants should have a skill set that encompasses: .NET, .NET Core, C# and Azure SQL. Our client can provide with exposure to: .NET 10.0, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core ...

range of defence industry clients. Requirements: Experienced in the use of High-Level Programming Languages within SCADA IDE environments such as VB, C#/C++. Hands on knowledge of RedHat Linux operating systems. Experience within Defence, Maritime, Aerospace, or a similarly regulated industry. Security Clearance: due to the nature ...

Experience balancing difficulty and player progression Experience collaborating closely with artists and animators Highly Desirable Programming skill and familiarity with source control systems, ideally C#, Haxe, git Experience with level editing in Tiled Above and Beyond Experience working on a licensed IP Experience with Unity Shipped console title Job Type ...

.NET Developer - Europe’s Largest Radio Station Group – London (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, .NET MAUI, ML.NET, Azure AI, GitHub Copilot, Docker, Kubernetes, .NET Aspire, CI/CD, HTML Living Standard, CSS Living Standard, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is Europe … operate across multiple platforms such as online, digital TV and mobile. As such we are seeking .NET Developer to join their dynamic .NET/C# team of high flying individuals. .NET Developer applicants should have a skill set that encompasses: .NET, .NET Core, C# and Azure SQL. Our client ...

Senior C#/.NET Developer - Financial Technology (Risk & Financing Platforms) Pay Rate: £600-£650 (Inside IR35 via umbrella) Location: London - 3/4 days per week (with flexibility) Duration: 6 Months (due to be extended) A leading global financial institution is expanding its engineering group and is looking for experienced … C#/.NET Developers to help build and enhance the technology that powers its risk, financing, and securities-related platforms. This is a high-impact role within a team responsible for systems that support critical exposure calculations, regulatory processes, and front-to-back financing workflows. You'll work closely with ...

oversee quality of other technical consultants' outputs. Skills Endur Development: Considerable experience in developing and customizing JVS and/or OpenComponents (Java or .NET C#) to extend Endur functionality. Connex Integration: Expertise in integrating Endur with external systems and data sources using Connex, ensuring seamless data exchange and interoperability. Oracle … Server Database Management: Strong understanding of Oracle and MS SQL Server databases, including database design, administration, optimisation, and performance tuning. .NET C# and/or Java Development: Proficiency in .NET C# and Java development for building custom applications, modules, and integrations within the Endur ecosystem. Endur Gateways and Accelerators: Demonstrate ...

.NET Developer - Fastest-Growing Internet Co Ever - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is changing the way merchants and consumers connect with … .NET Developer to work on the development of complex Greenfield software applications. .NET Developer applicants should have detailed knowledge of: .NET, .NET Core, C# and Azure SQL. Our client can provide you with training into: .NET 10.0, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core ...

.NET Architect - Social Messaging Platform - London (Tech stack: .NET Architect, .NET 10.0, ASP.NET Core, C# 14, Azure SQL, .NET MAUI, GitHub Copilot, Docker, Kubernetes, Microservices architecture, Angular 21, Vue.js, TypeScript, Programmer, Full Stack Engineer, Developer, .NET Architect) In 2012 our client launched a social messaging platform that has been taking … these new markets and help enhance this already successful company! Successful .NET Architect candidates should be able to demonstrate strong knowledge of: .NET 10.0, C# 14, Azure SQL, .NET MAUI, GitHub Copilot, Docker, Kubernetes, Microservices architecture, Angular 21, Vue.js, TypeScript, Azure, AWS, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban ...

Senior Software Engineer (.NET/C#) | Greenfield Systems Rebuild | Remote | £80,000–£100,000 This is a hands-on senior engineering role with real technical authority. You will be the lead engineer and technical decision-maker on a greenfield rebuild of a mission-critical system, working within a small, senior … planning. WHAT WE'RE LOOKING FOR Must-have 5+ years in senior software engineering or technical lead roles, with strong hands-on .NET/C# delivery. Demonstrable experience leading architecture decisions on production-grade systems, not just contributing to them. REST API design and integration experience at scale, including defining ...

Senior C# Developer/Backend Software Engineer (C# .Net) Newcastle onsite to £130k+ Are you a Senior C# Developer looking to escape the hustle and bustle of London and relocate to somewhere with stunning scenery and a better quality of life (there's also great restaurants and bars!)? You could ...

.NET Developer, C# 14, WPF - London (Tech stack: .NET Developer, .NET 10.0, C# 14, WPF, Azure SQL, MVVM, Prism, TDD, Agile, Programmer, Engineer, Architect, .NET Developer) In just over three years our client’s community has grown to over 150 million people. They enable their users to share photos … product that will have a dramatic impact on the company’s growth. .NET Developer applicants should have a skill set that includes: .NET, C#, WPF and SQL Server. Our client will give you the opportunity to work on enterprise level software development projects and provide training into: .NET 10.0, C# ...

Real-time Data Monitoring company based in the UK. This company are looking for a Full Stack Developer with a strong background in C# and .Net technologies to join their remote development team. They produce a number of realtime data monitor services used by companies across the globe. They … looking for a fresh challenge in an exciting online company. Ideally they are looking for a developer with a strong background in C#, .Net core, NoSQL databases, ElasticSearch and with some experience of building asynchronous, event-driven systems in Lambda + SQS, or equivalent patterns. Ideal skills: Experience building systems ...

demand ambitious innovation and thought leadership. The Role The Application Support Engineer will provide operational and technical support for business-critical applications built on C# and .NET technologies. The role focuses on maintaining application stability, resolving production issues, supporting releases, and collaborating with development teams to ensure reliable, secure … performant systems in live environment Your responsibilities: · Provide day-to-day support for C#/.NET-based applications across production and non-production environments. · Investigate and resolve application incidents, including code-related and configuration issues. · Analyse application logs, exceptions, and stack traces to identify root causes. · Perform minor code fixes ...

team to help shape the direction of how we use Python within InsurSight, focussing on feature development, performance, maintainability, and tighter integration of our C# and Python backend codebases. You will also support and mentor less experienced developers, conduct code reviews, and take ownership of key technical challenges - particularly where … large datasets and performance bottlenecks are involved. Our team consists of: 1 Product manager 4 C# developers 2 Python developers 1 Actuarial data scientist 2 Front end developers 1 DevOps and site reliability engineer 3 QA Engineers You will have the benefit of the guidance of our actuarial data scientists ...

Senior Software Engineer | Remote | £60,000 - £70,000 | C# | .Net | React | Azure | Microservices | .NetCore | .Net Developer | Full stack Developer | Opus have exclusively partnered with a brilliant Saas company that harness technology to build Software within the Proptech industry. They’re currently looking for a Senior Developer to come on board … will be mentoring other Developers and driving best practices. You will be getting to work across a modern Microsoft tech stack which includes C#, .Net, .NetCore, React, Azure, Microservices and TDD. This company work remotely with occasional visits into their office in the South East and offer some brilliant benefits ...

Senior Software Engineer | Remote | £60,000 - £70,000 | C# | .Net | React | Azure | Microservices | .NetCore | .Net Developer | Full stack Developer | Opus have exclusively partnered with a brilliant Saas company that harness technology to build Software within the Proptech industry. They’re currently looking for a Senior Developer to come on board … will be mentoring other Developers and driving best practices. You will be getting to work across a modern Microsoft tech stack which includes C#, .Net, .NetCore, React, Azure, Microservices and TDD. This company work remotely with occasional visits into their office in the South East and offer some brilliant benefits ...

scalable operations. The Role: Lead the design, development, and support of integration solutions connecting applications, services, and data across the business. Work with .NET (C#), Azure Integration Services (Logic Apps, API Management, Service Bus, Event Grid), and containerised microservices (Docker, AKS). Implement CI/CD pipelines, automation, and modern … standards. Champion best practices for API-led connectivity, event-driven architectures, and pub/sub messaging patterns. What's required: Strong experience with .NET (C#) for APIs and integration components. Hands-on with Azure Integration Services, microservices, and containerisation (Docker, AKS). Experience in Financial Services is essential; knowledge ...

across multidisciplinary engineering teams, providing technical leadership while remaining hands‐on with complex systems. What You’ll Do Build production‐grade software using .NET C#, Python , and modern backend technologies Design and prototype services using containerised microservices Apply and challenge engineering best practices to continuously improve quality Make sound technical … culture of technical excellence What You Bring Degree in Computer Science, IT, or related field 5+ years’ experience building backend systems with .NET C# and ASP.NET Core Web APIs Strong understanding of Clean Architecture , CQRS , ideally with MediatR Experience with communication protocols: TCP/IP, UDP, REST, gRPC, SignalR Familiarity ...

operating in a secure environment. Responsibilities: Designing, developing and maintaining features across secure communications and decision support platforms Building and maintaining backend services using C# and related technologies Developing and enhancing user interfaces using React Contributing to security focused system design when working with highly sensitive data Taking ownership … engineers, product specialists and stakeholders and, at senior level, contributing to mentoring and technical discussions About You Strong commercial experience in backend development using C# and the .NET ecosystem Frontend development experience using React or a similar modern JavaScript framework Solid understanding of software engineering fundamentals and agile delivery practices ...

Strong expertise in API integration, REST API design and exposure, interface-driven architectures, integration-heavy environments, abstraction layers, system decoupling Backend Development: .NET Core, C#, API services, integration services Architeture & Platforms: Design of scalable and reusable integration layers, interoperability with multiple systems (internal & external), data platforms and downstream applications Methodologies ...

C# Developer – Fixed Income Options London | Hybrid | Leading Options Market Maker A leading global options market maker is expanding its Fixed Income Trading team in London and is seeking a junior to mid-level C# Developer to join a high-impact, front-office engineering environment. You’ll work directly with … enhance trading tools and systems that support pricing, execution, and research across fixed income options markets. About this role: Develop and enhance high-performance C# trading applications used by front-office teams Collaborate closely with traders and quantitative researchers to enable new trading strategies Build scalable, low-latency systems ...

Global bank based in Canary Wharf. Role - C# Developer - Desktop Applications Duration - 6 months with likely extension Rate - £490 p/d (inside IR35) Location - Hybrid/Canary Wharf Tech Stack C# WPF Winforms Javascript SQL Oracle Tasks Tasks range from understanding business requirements, designing application structures, business data analysis ...

Full Stack Engineer (C#/.NET & React) - Investment Banking London (Hybrid) | 6-Month Contract | Investment Bank We are working with a leading global investment bank to hire a hands-on Full Stack Engineer to help build a brand-new, high-impact web application from the ground up. This … just individual development tasks. Key Responsibilities Back-End Development Design and build RESTful APIs using ASP.NET Core (6+) Develop clean, scalable, and testable C# code Manage data access using EF Core, Dapper, or similar Implement secure authentication (e.g. Azure AD, JWT ) Front-End Development Build modern, responsive UIs using React ...

C# Developer Role - Hybrid/Liverpool street - 6 month Contract - Banking Role - C# Developer (T/SQL, PL/SQL) Duration - 6 months with very likely extension Location - Hybrid/Liverpool Street (London) - 3 days per week in a Liverpool Street office Rate - £690 per day (Inside IR35) Tech Stack … C# SQL Oracle Tasks Tasks include understanding business requirements, designing applications, business data analysis, programming in Visual C#.NET using both Oracle and SQL Server database, Unit testing, Quality Assurance (QA), Implementation, Production and Disaster Recovery environments supporting users and preparing documents. Along with the application development, this role will also ...