426 to 450 of 510 C# Jobs in London

Software Engineer Hiring in London – Toshiba EMEA Toshiba, a globally renowned technology and electronics corporation, is actively looking for Software Engineers in London. Its EMEA operations based in London, United Kingdom, seek qualified candidates to ...

Senior Back End Engineer C#/Java | Front Office Trading | AWS | Distributed Systems Location: London Hybrid: 3 days in the office We're partnering with one of the world's leading financial markets technology firms as they continue investing heavily in their electronic trading platforms. This is an opportunity … architects and principal engineers building business critical trading systems that process high volumes of transactions in real time. Although the team primarily develops in C#, they are very open to experienced Java backend engineers looking to transition into .NET. What you'll be doing Building high performance backend trading applications ...

your expertise to take them to the next level of growth. Experience in one or more of their core programming languages such as Python, C#, TypeScript or related is also essential. See below for their tech stack: Python, C#, TypeScript, .NET Core, React, Azure, Redis, Terraform, REST APIs, Distributed Systems ...

modern component-oriented front end applications using frameworks and libraries and have a good appreciation of UX (User eXperience). Solid working knowledge of C# and the .NET stack. Our current tech stack is primarily Microsoft/Azure focused; C# is our primary language. Advocate of key principles such ...

ICAP in London is seeking a Full Stack C# Engineer to design and deliver scalable applications powering core business functions. You will work across front-end and back-end, collaborating with product owners, architects, and other engineers to build modern solutions with security, performance, and maintainability in mind. The role ...

others in the team Take full ownership of the development lifecycle from code to production, including deployment and monitoring Tech Stack Languages & Frameworks: C# (.NET 6–10) Databases: DynamoDB, PostgreSQL Cloud & Infrastructure: AWS Cloud, Docker, Terraform CI/CD & DevOps: GitHub Actions Monitoring & Logging: New Relic, ELK Stack Qualifications Have … hands on experience with C# .NET and the latest features Love using Agile development practices Have hands on experience working on software development of high-volume transactional applications Have experience in asynchronous service/processing Test your solutions effectively Enjoy mentoring less experienced engineers Have experience with CI/ ...

become a reusable capability, where the next‐generation architecture should go. Our stack — Azure‐native (AKS), Kafka and event‐driven architecture, Kong, .NET/C# on the backend, Vue.js on the front end, Auth0 and Entra ID for identity, Salesforce. We’ve deployed Claude and Claude Code org‐wide … ambiguity and by sitting alongside the person with the problem rather than waiting for a ticket. You can write production‐grade .NET/C# or TypeScript, and are equally happy gluing things together fast in Python. You have judgment about when "good enough" genuinely is — and when it categorically ...

Junior Full Stack Developer (Next.js/React/Go/C#) - up to £70k, London The Overview Our client is a leading IT organisation, recognised for its innovative approach and strong reputation in the industry. They're mid-way through a major digital transformation, and this is a great opportunity … Getting stuck into code reviews as part of a collaborative team What You'll Bring 2-4 years' professional software development experience Go/C# backend experience Solid experience with Next.js, React, and TypeScript Comfortable across the full stack, with a backend leaning Experience building RESTful and/or GraphQL ...

Power Platform projects. Key responsibilities: Lead the technical delivery of Dynamics 365 CE and Power Platform solutions. Design, develop and implement custom functionality using C#, .NET, JavaScript, PCF Controls and Azure services. Mentor developers, conduct code reviews and promote best practice across project teams. Manage DevOps and ALM processes, ensuring … project teams and stakeholders. What we're looking for: Strong experience delivering Dynamics 365 CE and Power Platform solutions. Hands-on development expertise with C#, .NET, JavaScript, plug-ins and PCF Controls. Experience with Azure Functions, Logic Apps, Service Bus and integrations. Knowledge of DevOps, ALM and CI/ ...

Engineer - Saas - London/Hybrid (Tech stack: DevOps Engineer, AWS, Azure DevOps, GitHub, Kubernetes, CI/CD, Infrastructure as Code, Terraform, Docker, Linux, Python, C#, Monitoring Tools, Automation, SaaS, Agile, DevOps Engineer) We're working with one of London's most exciting and fast-growing SaaS scale-ups, and they … containers using Docker and Kubernetes. You should bring strong experience building and maintaining CI/CD pipelines, and be confident scripting in Python, C# or similar scripting languages. You'll also be comfortable working with monitoring and performance tools like Datadog or Prometheus, and ideally, you'll have worked ...

/CD pipeline security, Infrastructure-as-Code scanning, and policy-as-code. Strong hands-on software development and scripting capability, including Python and C#/.NET, with the ability to read, review and write secure production-quality code; familiarity with PowerShell, Bash, REST APIs and common software development tooling. Experience … Code scanning (e.g. SAST and successor tooling), working jointly with Development Team. Develop and maintain security automation, integration and validation tooling using Python and C#/.NET, with appropriate use of PowerShell, Bash and relevant APIs/SDKs. Review security-relevant application code and engineering patterns, and produce proof ...

end. Ad-hoc client interaction, supporting requirements discovery and technical solutioning where needed. Architecting, building and shipping complex, high-performance distributed services in C# and .NET Core 8/9 – primarily serverless on AWS Lambda – setting the technical bar for the squad and owning delivery of substantive feature sets … them, we’d still like to hear from you. A proven senior-to-staff-level backend engineer with deep, current expertise in C# and .NET Core 8/9 – you can architect and lead design of distributed REST API microservices at scale. Authority in AWS serverless architecture – Lambda‐first, with ...

Alto Software Group in London is seeking a software engineer for a 12-month maternity leave cover. The role combines C#, .NET, TypeScript and frontend React work with AWS-based microservices. You’ll own features end-to-end, collaborate with product teams and engage customers to shape the product ...

maintenance of ZetiOS. You will work closely with product managers and developers to drive quality standards and deliver best-in-class functionality using C# on Azure Functions, React, and TypeScript. The ideal candidate will have a strong background in software development, particularly in back-end technologies, and a passion ...

C# Developer - Front Office Trading Are you a C# developer who enjoys being close to the action rather than several layers removed from the people using your software? What about working directly alongside a trading desk, where you can see the impact of what you build - sometimes immediately … achieve and work out the technical answer. Alongside this, you'll spend time developing and improving the tools used by the desk, predominantly using C#/.NET, with Python, VBA and Excel also forming part of the wider environment. If you enjoy understanding the why behind what you're developing ...

.NET Developer, C#, WPF - Asset Management - London (Tech stack: .NET Developer, .NET 10.0, C# 14, WPF, Azure SQL, MVVM, Prism, TDD, Agile, Programmer, Engineer, Architect, .NET Developer) Founded in 1930, our client is a leading investment manager with offices in Europe, Asia and North America. They manage over £120 billion … across all asset classes and employ over 2000 people around the world. Working in tandem with Microsoft they are developing revolutionary .NET/C# software applications that have attracted much attention in the trade press. We are seeking two .NET Developer to work on these exciting Greenfield enterprise level .NET ...

.NET Developer, C#, WPF - Mobile Telecommunications - London (Tech stack: .NET Developer, .NET 10.0, C# 14, WPF, Azure SQL, MVVM, Prism, TDD, Agile, Programmer, Engineer, Architect, .NET Developer) Established in the early 1990s and listed on the London Stock Exchange our client is an instantly recognizable brand within the mobile telecommunications … launch of several new products. As such they are looking to recruit 6 .NET Developer to help design and develop the .NET/C# software applications that will be the backbone of this exciting new generation of products and services. The ideal .NET Developer candidates will have a skill ...

C# .NET Software Developer with FX and Fixed Income Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record of developing with C# .NET. The Client would like meet candidates … pricing APIs. Maintaining the company’s daily operation on the existing platforms. Essential Skills Minimum 3 to 5 years experience of Microsoft web technologies (C#, ASP.NETCore MVC) Relational database experience (SQL Server) Proactively able to build relationships with stakeholders: sales, brokers, middle office, external vendors. Ability to produce clean, well ...

Senior Lead C# Software Developer We urgently require a Senior C# Lead Developer with at least 5 to 10 years solid expertise in developing financial systems ideally banking systems. Your experience should include extensive knowledge of developing complex financial systems in C# as Teal Leader. Any experience of SQL Server ...

Tier 1 Investment bank based in Canary Wharf. Role - C# Developer - Desktop Applications Duration - 6 months with likely extension Rate - £416 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 ...

Founding Product Engineer (C#/React/AI-Native) Hybrid | UK | Competitive Salary + Benefits Build a Product from Day One We're partnering with one of the UK's leading construction technology SaaS businesses to hire a Founding Product Engineer . The company already has a market-leading platform … business stakeholders Rapid prototyping and MVP development AI-native development tools such as Claude Code Modern cloud platforms (Azure, AWS or GCP) Experience with C#/.NET and React would be highly advantageous as they form the core of the existing platform. Experience with MongoDB is a bonus ...

modern component-oriented front end applications using frameworks and libraries and have a good appreciation of UX (User eXperience). Solid working knowledge of C# and the .NET stack. Our current tech stack is primarily Microsoft/Azure focused; C# is our primary language. Advocate of key principles such ...

Integration Engineer to join our growing team, designing and delivering solutions that connect business-critical systems and help our customers work smarter. Working with C# , .NET , APIs and SQL, you'll develop robust integrations, automate business processes, and solve complex technical challenges. This is a varied role where … ecosystem, and is just as comfortable discussing solutions with customers as they are writing clean, reliable code. What you'll bring Experience developing with C#/.NET Knowledge of REST APIs, JSON/XML and SQL Strong analytical and troubleshooting skills Excellent communication and a collaborative mindset Experience with Azure ...

London. You will run regular 1:1s, own performance and growth conversations, and participate in hiring.### Skills Required* Backend Systems* Web Platform* Data Platform* C#* .NET* SQL* GraphQL* REST APIs* Reporting Systems* AI Systems* Agentic Systems* Technical Leadership* People Management* Distributed Systems* Cloud* Physical Data Centers* Petabyte-scale Data* Machine … hard problems. You have hands-on experience building and operating backend systems for a web or data platform of meaningful scale. Experience with C#/.NET and SQL is a strong plus, though not required. Experience designing or building GraphQL and/or REST APIs is a plus. Experience with ...

5+ years in software development with focus on systems integration and API development Fluency in English Proficiency in multiple languages (JavaScript/TypeScript, Python, C#, C++, Java) Experience with RESTful APIs and webhook integrations Strong understanding of web technologies and modern frameworks such as NextJS and React Experience with cloud … platforms (AWS, Azure, GCP) Preferred Qualifications 8+ years of relevant experience Familiarity with Python as well as OOP languages such as C# or Java a plus Deep knowledge of digital identity, computer security, cryptography, and user data privacy practices Experience with various methods of age verification such as facial ...