26 to 50 of 332 C# Jobs in London

develop, test, deploy, maintain, and enhance software solutions. What are we looking for: Bachelor's or Master's degree in Computer Science, Engineering, or related field Proficiency in .NET C#, Java, or Go, with a strong understanding of software development principles in either a backend or full stack environment. Great communication skills and ability to interact effectively with a wide More ❯

for you if have the following skills, experience and attributes: Experience designing, implementing and enhancing native cloud solutions Experience working with Microservices, Event Sourcing and CQRS Highly proficient in C# .NET Strong experience with an RDBMS and SQL (preferably PostgreSQL or SQL server) Strong experience with AWS including Lambdas, RDS, Cognito Excellent communication and presentation skills Professional attitude (self-starter More ❯

Senior C# Developer/Software Engineer (C# .Net) London onsite to £150k Opportunity to progress your career in a senior, hands-on C# Developer role at a global Asset Manager with c$3 million under management. As a Senior C# Developer within the trading engine team you'll collaborate to design and develop real-time trading systems, you'll often … be collaborating with he strategy team on Greenfield projects which you'll take ownership of and will see the business impact of. There's a focus on C# .Net backend and API development although you'll also have elements of front end work with JavaScript and React.js. Location: You'll be based in plush City office on a fulltime basis … Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management skills You are degree More ❯

systems with robust testing. Collaborate with traders, analysts, and technology teams. Support system integration, deployment, and ongoing operations. Drive continuous improvement and adoption of new technologies. Skills & Competencies Essential C#, .NET 4+, ASP.NET API, Entity Framework 6 SQL Server T-SQL, Git, Visual Studio Unit test frameworks (MSTest) & BDD (SpecFlow) Desirable .NET Core, Angular IO, WPF, Azure Cloud, PowerShell Elastic More ❯

systems with robust testing. Collaborate with traders, analysts, and technology teams. Support system integration, deployment, and ongoing operations. Drive continuous improvement and adoption of new technologies. Skills & Competencies Essential C#, .NET 4+, ASP.NET API, Entity Framework 6 SQL Server T-SQL, Git, Visual Studio Unit test frameworks (MSTest) & BDD (SpecFlow) Desirable .NET Core, Angular IO, WPF, Azure Cloud, PowerShell Elastic More ❯

systems with robust testing. Collaborate with traders, analysts, and technology teams. Support system integration, deployment, and ongoing operations. Drive continuous improvement and adoption of new technologies. Skills & Competencies Essential C#, .NET 4+, ASP.NET API, Entity Framework 6 SQL Server T-SQL, Git, Visual Studio Unit test frameworks (MSTest) & BDD (SpecFlow) Desirable .NET Core, Angular IO, WPF, Azure Cloud, PowerShell Elastic More ❯

systems with robust testing. Collaborate with traders, analysts, and technology teams. Support system integration, deployment, and ongoing operations. Drive continuous improvement and adoption of new technologies. Skills & Competencies Essential C#, .NET 4+, ASP.NET API, Entity Framework 6 SQL Server T-SQL, Git, Visual Studio Unit test frameworks (MSTest) & BDD (SpecFlow) Desirable .NET Core, Angular IO, WPF, Azure Cloud, PowerShell Elastic More ❯

.NET Architect - Social Messaging Platform - London (Tech stack: .NET Architect, .NET 9, C#, Web API 2, Entity Framework, Microservices, Azure, Programmer, Developer, Engineer, .NET Architect)In 2012 our client that has been taking the US by storm. After an extremely successful period our client has decided to hop across the Atlantic, in a bid to expand their sphere of influence More ❯

level support, troubleshooting, and performance monitoring with modern observability tools. Mentor and support junior engineers, collaborating with global teams. Required: Proven full-stack development expertise Node.js, TypeScript, JavaScript, and C#, .NET. Hands-on experience with cloud platforms (Azure preferred, AWS/GCP beneficial). Skilled in Kubernetes, Docker, Terraform, Helm, and CI/CD automation. Strong background in databases including More ❯

application requirements. Write and tune queries to minimize RU consumption and improve response times. Implement indexing strategies and partitioning schemes for optimal performance. Build reusable libraries and frameworks in C#/.NET or Node.js Develop efficient queries using Cosmos DB SQL syntax. Implement automated testing and unit test frameworks Collaborate with solution architects and DevOps teams to integrate Cosmos DB More ❯

balance coding with technical oversight , setting standards, ensuring governance, mentoring others, and shaping the long-term software roadmap. What you'll bring: Experience with modern programming languages and frameworks (C#, Python, TypeScript, React/Vue, .NET, SQL). Familiarity with cloud platforms (Azure, AWS, or Google Cloud) and CI/CD workflows. A problem-solving mindset and ability to collaborate More ❯

Full Stack Developer with a strong portfolio of Angular and .NET projects. Proficiency in Angular (v12+), TypeScript, HTML5, CSS3, and RxJS. Solid experience with .NET Core/.NET 6+, C#, and Entity Framework. Experience with RESTful API design and integration. Familiarity with SQL Server or other relational databases. Understanding of CI/CD pipelines and version control systems (e.g., Git More ❯

Eligibility for SC clearance. Proven leadership in QA/testing roles, with experience guiding teams and managing delivery in Agile environments (SCRUM, Kanban). Strong programming skills in Java, C#, JavaScript/TypeScript, or similar. Deep expertise in test automation frameworks such as Selenium, Playwright, Cypress, or RestAssured. Experience with integration testing, test strategy, and test architecture at the project More ❯

leadership, with experience mentoring or coaching junior developers. Strong ability to balance technical excellence with practical business needs in a delivery-focused environment. Proven enterprise development experience in .NET (C#), SQL Server, and modern web UI frameworks (Vue.js, Angular, lit-element). Knowledge of a messaging technology is required Hands-on experience in data- or trading-intensive domains (e.g., commodities More ❯

APIs using modern frameworks and technologies. Azure Logic Apps: Configure and integrate Azure Logic Apps to enable seamless workflows and business process automation. Proficiency Coding Languages JSON JavaScript PowerShell & C# Azure Security: Implement and adhere to best practices in Azure security including identity management access control and threat protection. Front-End Development: Build responsive and user-friendly front-end interfaces More ❯

.NET focus to join the technology team. Reporting to a Senior Developer or Team Lead, the role will involve learning and developing skills in ASP.NET web development, VB and C# using current technologies, frameworks, and patterns. What you'll do Assist with new feature development, and maintenance (bug fixing). Work as part of a team under the guidance of More ❯

ensure best practices in performance, security, and maintainability. Contribute to the creation and use of reusable components, solution templates, and documentation standards. Our Tech Stack Languages: TypeScript/JavaScript, C# Libraries and Frameworks: React, Next.js, Node.js, .NET Testing: Vitest, Playwright, Pact, K6 Datastores: PostgreSQL, CosmosDB, Redis Infrastructure and DevOps: GitHub Actions, Azure, Kubernetes, Docker, Terraform Monitoring: Grafana, Azure App Insights More ❯

development • Providing technical guidance and troubleshooting support throughout project delivery • Expert level proficiency in at least one programming language (Typescript/NodeJS/AngularJS/ReactJS/Java/C#/GOLang) • Familiarity with AWS Storage, SQL and No SQL databases with awareness of protocols such as gRPC, Web-sockets and graphql • Knowledge of cloud architecture design patterns, Event driven More ❯

CI/CD pipelines and the deployment process, reviewing and improving how code and products go to production. What are the key skills/experience you'll already have? C# .Net 8 Azure experience including Azure SQL, Data Factory and Functions Containerization (Docker/Kubernetes) Helm Charts Entity Framework Core Strong demonstrable experience with building and optimizing CI/CD More ❯

testing. Planning and execution of unimpactful deployments. Maintain and support Live systems. Optimise delivery patterns. Maintain COTS (Commercial off the shelf) products integrated within Live systems. Required Skills & Experience: C#/java, .NET Core Containerisation (Docker, Kubernetes, OpenShift) xUnit Agile working practices CI/CD tooling Scripting experience (Python, Perl, Bash, etc.) ELK (Elastic stack) JavaScript Cypress Linux experience Search More ❯

scalability and maintainability. Contribute to strategic planning and roadmap development. Take ownership for the build and maintenance of internal systems and applications. Key Skills Required: Software development experience in C# is preferred. (Python is a plus) Full stack development experience preferably in JavaScript Cloud - Azure or AWS Proven experience leading distributed engineering teams and delivering complex software projects. Excellent communication More ❯

problem-solving skills and attention to detail. Excellent communication skills with the ability to work across technical and business teams. Competence in Microsoft tools (Excel, SharePoint); experience with JavaScript, C#, HTML, or SQL beneficial. Familiarity with agile methodologies and structured delivery. For senior roles: proven track record in leading projects, mentoring, and delivering scalable enterprise solutions. What We're Looking More ❯

problem-solving skills and attention to detail. Excellent communication skills with the ability to work across technical and business teams. Competence in Microsoft tools (Excel, SharePoint); experience with JavaScript, C#, HTML, or SQL beneficial. Familiarity with agile methodologies and structured delivery. For senior roles: proven track record in leading projects, mentoring, and delivering scalable enterprise solutions. What We're Looking More ❯

with customers and consultants to understand reported issues so they can be replicated. Skills, experience and education you'll need: Minimum 3-5 years hands-on experience with .Net, C#, Git, Jira and Continuous Integration. Bachelor's degree or higher in Computer Science or similar. A mathematical/statistical background is helpful to understand our solutions. Valuable: Experience with .Net More ❯

and Dataverse, SPFx Experienced in working with Microsoft Co-pilot Studio Experience with ALM Accelerator for Power Platform Excellent stakeholder management and relationship building skills Background in developing with C#, .NET, Web Services, Web Forms, MVC, JavaScript, jQuery, CSS, HTML, React, Web APIs and Visual Studio, API integrations Skilled in creating interface definitions Exposure to working with Agile development framework More ❯