1 to 25 of 203 Permanent C# Jobs in London

solutions within a regulated environment. The role is Hybrid and requires onsite attendance in Central London 2–3 days per week. Technical Skills C#, ASP.NET Core, Entity Framework Python, FastAPI JavaScript, TypeScript React or Angular REST APIs, Swagger/OpenAPI SQL Server, PostgreSQL, NoSQL and vector databases Azure App Services ...

experience as a Full Stack Developer or Software Engineer Strong API development experience (RESTful APIs, integration, microservices) Experience with modern programming languages such as C#, .NET, Python, JavaScript/TypeScript Front-end experience using frameworks such as React, Angular, or Vue Cloud experience, ideally Microsoft Azure Experience with DevOps practices ...

Status Quo: Comfort in pushing the boundaries, 'hacking' beyond traditional solutions Language Expertise: Expertise in one or more general development languages (e.g., Javascript, Java, C#, C++) Builder: Experience building and deploying modern services and web applications with quality and scalability Learner: Constant drive to learn new technologies such as Angular ...

hands-on experience building scalable enterprise applications using .NET, React, Azure Cloud, and AI-powered solutions. Key Skills & Experience 7+ years of experience in C#, TypeScript, Python, and Node.js Strong experience with .NET 6/8, ASP.NET Core, React, and Next.js 5+ years of hands-on experience with Microsoft Azure ...

experience with Azure Integration Services (APIM, Logic Apps, Azure Functions, Service Bus, Event Grid) Experience delivering containerised workloads in AKS Strong programming capability in C#, .NET, JavaScript or TypeScript Solid understanding of REST APIs, OAuth2 and modern API security practices Experience with SQL and data integration technologies Familiarity with ...

security and performance Harness modern development and Azure DevOps practices including CI/CD, containerization, automated testing Job Qualifications Habilities and experience Programming: C#/.NET, JavaScript/TypeScript Service Development: building web applications and web APIs using .NET and cloud services Cloud: Azure and others Database: (worked with ...

Looking For Core Engineering 8+ years of software engineering experience across the full stack Strong proficiency in at least two languages (e.g. Python, TypeScript, C#, Node.js), with confidence picking up others as needed Solid grounding in RESTful API design, microservices architecture, and cloud-native development (Azure preferred) Proven experience with ...

engaging other senior leaders. Technical Depth: Professional knowledge of object-oriented design patterns and modern languages such as Java, TypeScript/JS, Python, C#, or Scala. Modern Architecture: Solid understanding of cloud services (AWS/Azure/GCP), microservices, observability, Infrastructure as Code, and SRE principles. Tool Agnostic: Proficiency with ...

across the business Requirements Proven experience as a full-stack developer, ideally with experience in a technical lead role Strong proficiency in JavaScript, .NET (C#), and modern frontend frameworks Solid experience with SQL databases and API design and integration Demonstrated leadership ability with strong communication and organisational skills A proactive ...

delivery team Requires 5+ years of full-stack software engineering experience with strong proficiency in at least two languages such as Python, TypeScript, C#, or Node.js Must have solid expertise in RESTful APIs, microservices, cloud-native development (Azure preferred), Docker/Kubernetes, and CI/CD pipelines Expected to design ...

modifications to open-source UI components Experience enabling data scientists and engineers with Python-based development workflows and tooling Technology Stack: Azure Cloud Services C# (.NET 10) Python React.js and modern JavaScript (ES6+) Snowflake (Data Warehouse) Apache Airflow Terraform dbt SQL Server ...

modifications to open-source UI components Experience enabling data scientists and engineers with Python-based development workflows and tooling Technology Stack: Azure Cloud Services C# (.NET 10) Python React.js and modern JavaScript (ES6+) Snowflake (Data Warehouse) Apache Airflow Terraform dbt SQL Server ...

keep pace What we're looking for Strong experience leading technical delivery within a digital agency or consultancy environment A solid backend background in C#/ASP.NET Core , with full-stack awareness Experience across both frontend and backend challenges - reactive frameworks experience welcome Deep familiarity with Azure , including CI/ ...

skills, accountabilities and development areas. Desirable Skills: 5+ years experience in working with the .NET framework, particularly with ASP.NET Core, React/React Native, C#, Web API Strong experience in working with Azure (preferably certified) including App Services, Azure Function, Service Bus Experience leading and mentoring small-to-medium hybrid ...

work closely with traders, quants, and senior engineers on the development of modern data and analytics tooling used across the business. The environment is C# and Python-focused, with increasing adoption of cloud-native data technologies including Databricks, whilst also integrating with established quantitative pricing and risk platforms such ...

Qualifications: Proven experience as a technical lead on a complex, multi-service platform, with direct responsibility for technical delivery quality and team output. Extensive C# and ASP.NET Core experience, including RESTful APIs, dependency injection, domain modelling, integration patterns, and performance considerations. Experience with Entity Framework Core code-first migrations ...

defencefinancialservicesandtransport.WithteamsthatoperategloballyfromofficesacrosstheUK,Ireland,theUS,Nordics,andNetherlands. JobDescription WhyconsiderjoiningtheDigital&Datacommunity Growaflexibleanduniquecareerwithinatrust-basedenvironmentthatvaluesexcellence,innovation,andcuriosity.Youhavetheoptiontoprogresswithusonatechnicalcareertrack.NoneedtogoontothePartnercareertrackifthisdoesntalignwithwhatyouwanttodo. Workonabroadvarietyofprojectsandtechstacksforclientsacrosssevensectors-noprojectiseverthesame Techstackrequiredideally: Whileweadvocateforusingtherighttechfortherighttask,youcanexpecttoworkwiththefollowingtechnologiestoensurescalable,high-performanceapplications: ProgrammingLanguages:JavaScript/TypeScript,Java,C# Frameworks:Vue/Angular/React/Node/Next,Spring/SpringBoot,.NET/ASP.NET Cloudplatforms:AWS,GCP,Azure CI/CD:Jenkins,GitHubActions ...

initiatives and mentoring engineers within the team Tech stack includes:Salesforce Commerce Cloud (SFCC/Demandware) JavaScript/React HTML/CSS/AJAX C#/.NET REST APIs SQL Server CI/CD tooling Ideal background: Strong SFCC/ecommerce platform experience Full stack engineering background Experience building scalable ...

date with industry trends and best practices across web and CMS development Skills & Experience Strong experience working with Umbraco CMS Experience with C# and .NET technologies Understanding of ASP.NET Core MVC , Web API, and CMS-based applications Front-end development experience with JavaScript, HTML, and CSS Experience delivering responsive ...

automated testing and DevOps practices Comfortable working across teams to solve business problems with technology Experience in Agile delivery environments Desirable Experience Node.js or C# exposure Terraform/Infrastructure as Code Distributed systems or API gateway experience Monitoring/observability tooling Enterprise platform or shared services experience Financial markets/ ...

date with industry trends and best practices across web and CMS development Skills & Experience Strong experience working with Umbraco CMS Experience with C# and .NET technologies Understanding of ASP.NET Core MVC , Web API, and CMS-based applications Front End development experience with JavaScript, HTML, and CSS Experience delivering responsive ...

Required Skills & Experience Strong experience in automation testing using Selenium/Playwright/Cypress Proficiency in programming languages such as Java, Python, or C# Experience with API testing (Postman, REST Assured, or similar) Knowledge of testing frameworks (TestNG, JUnit, Pytest, etc.) Familiarity with CI/CD tools (Jenkins, Azure DevOps ...

JavaScript, React, HTML5, CSS3, and modern front-end development practices. Strong experience integrating SharePoint solutions using RESTful APIs and Microsoft Graph. Solid experience with C# and .NET Framework for backend and integration development. Hands-on experience administering SharePoint on-prem environments, including patching, upgrades, performance tuning, and troubleshooting. Experience with ...

Claude, Cursor, GitHub, ChatGPT, C#, .NET, React, Blazor, ASP.NET Core, API's, Azure, AWS This is a Senior/Lead Developer role for a hands-on coder who is extremely comfortable at leveraging AI for * Accelerating development processes * Critical reviews of AI-generated code * Refactoring, codebase exploration and documentation * Staying ...

ability to review architecture, challenge solutions, and implement engineering standards Excellent communication skills for both technical and non-technical stakeholders Familiarity with .NET/C#, Azure, DevOps/CI/CD, microservices, and modern scalable architecture principles is desirable The opportunity: Shape a new leadership role in a regulated, innovative ...