1 to 25 of 435 Permanent JavaScript Jobs in London

teams to deliver scalable, secure, and user-focused solutions. Key Responsibilities Develop microservices using Java (Spring Boot). Build responsive front-end applications using JavaScript/TypeScript, React, HTML, and CSS. Use Git-based version control and CI/CD pipelines (GitHub, GitLab, Jenkins). Containerize applications using Docker ...

track record of directly contributing to software development while effectively managing a team within a Scrum framework. Strong practical knowledge of front-end technologies (JavaScript, HTML5, CSS3) and frameworks (Reactjs, Angular, etc.). Experience in setting up and maintaining CI/CD pipelines and a deep understanding of microservices architecture ...

alongside the capability to estimate, plan and track work effectively. Candidates should demonstrate strong client-side development experience with HTML5, CSS3, Sass/Less, JavaScript (ES9/2018), TypeScript, RESTful APIs, React and Webpack, as well as mature server-side coding skills using Java 11+ and SQL (DB2, SQL Server ...

with a focus on large-scale, complex systems. Polyglot engineer comfortable working across multiple languages and frameworks (weve used Python, Java, Kotlin, Node.js, C#, JavaScript, Express, React and Next.js to name a few). Passion for learning new technologies and helping others do the same. Proven track record of leading ...

delivering digital products (web apps and services) to market using agile methodologies. Strong proficiency in C#, .NET, React and Azure. Other development skillsets: JavaScript, HTML/CSS, Azure PaaS (Azure Functions, Azure Logic Apps, Cosmos DB, Azure App Service, Azure Service Bus), ARM/Bicep templates, SharePoint. Demonstrable creative flair ...

consulting environment, working closely with architects, designers, product teams and client stakeholders. Key Responsibilities Design and build applications using ASP.NET Core, C# and modern JavaScript frameworks Develop responsive, accessible front-end interfaces using React, Angular or Blazor/Razor Contribute to cloud-native architectures on AWS or Azure Implement modern ...

consulting environment, working closely with architects, designers, product teams and client stakeholders. Key Responsibilities Design and build applications using ASP.NET Core, C# and modern JavaScript frameworks Develop responsive, accessible front-end interfaces using React, Angular or Blazor/Razor Contribute to cloud-native architectures on AWS or Azure Implement modern ...

consulting environment, working closely with architects, designers, product teams and client stakeholders. Key Responsibilities Design and build applications using ASP.NET Core, C# and modern JavaScript frameworks Develop responsive, accessible front-end interfaces using React, Angular or Blazor/Razor Contribute to cloud-native architectures on AWS or Azure Implement modern ...

application development (.NET Core, C#) or winforms/WPF (C#) development. Our client will provide you with training into: .NET 10.0, WPF, MVVM, Prism, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and Azure SQL. ...

application development (.NET Core, C#) or winforms/WPF (C#) development. Our client will provide you with training into: .NET 10.0, WPF, MVVM, Prism, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and Azure SQL. ...

such as Sitecore, Optimizely, Umbraco, Alterian, Immediacy, Ektron, Kentico, Sitefinity or dotnetnuke. Our client can provide you with industry recognised training in: .NET 10.0, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This ...

Someone who enjoys working across the full software lifecycle including architecture, implementation, testing, deployment and iteration Technologies you will work with • Languages: C#, .NET, JavaScript, TypeScript, HTML, CSS • Front end: React, Redux • Distributed and event driven: Akka, Rx • Messaging and streaming: Kafka, RabbitMQ, ActiveMQ • Databases: SQL and NoSQL • Containers & orchestration ...

generation of our LegalTech platform and play a critical part in defining the long term engineering strategy across both our .NET services and modern JavaScript/OJS integrations. You will operate as a senior technical leader within the organisation, guiding architectural decisions, elevating engineering quality, and solving some ...

generation of our LegalTech platform and play a critical part in defining the long term engineering strategy across both our .NET services and modern JavaScript/OJS integrations. You will operate as a senior technical leader within the organisation, guiding architectural decisions, elevating engineering quality, and solving some ...

Stack .NET development SQL Server & SQL Server Reporting Services Python for data engineering and Power BI Strong SQL knowledge Git/GitHub React/Javascript Experience within NHS or Healthcare sector is a must have Python software developer - Contract: Required Skillset: 5+ years Software engineering experience with Python ...

Stack .NET development SQL Server & SQL Server Reporting Services Python for data engineering and Power BI Strong SQL knowledge Git/GitHub React/Javascript Experience within NHS or Healthcare sector is a must have Python software developer - Contract: Required Skillset: 5+ years Software engineering experience with Python ...

backend systems Build cloud-native solutions on Azure with containerization Implement RESTful APIs using Java integrated with banking platforms Develop full-stack features with JavaScript frameworks (Angular) Champion CI/CD, TDD/BDD, and engineering best practices Optimize Java applications for high-volume, high-availability systems What You Need ...

improvement efforts, introducing new ideas and technologies What You'll Bring Proven experience as a Full Stack Engineer or similar role Expertise in React, JavaScript/TypeScript, HTML, CSS , and responsive design principles Strong understanding of Back End technologies and best practices Passion for writing clean, well-tested code Experience ...

improvement efforts, introducing new ideas and technologies What You'll Bring Proven experience as a Full Stack Engineer or similar role Expertise in React, JavaScript/TypeScript, HTML, CSS , and responsive design principles Strong understanding of Back End technologies and best practices Passion for writing clean, well-tested code Experience ...

telecoms/billing experience advantageous) Technical Skills Essential Java, Spring Boot, J2EE REST APIs, Microservices, Kubernetes/OpenShift RDBMS, SQL, PL/SQL Angular, JavaScript, Bootstrap, HTML5, CSS3 Experience with application servers (e.g., JBoss, Oracle AS) Git, Maven, Jenkins, debugging tools Strong understanding of SDLC and Agile methodologies Desirable JBoss ...

application development (preferably Node.js) 8-10+ years of professional software engineering experience 5+ years working with modern front-end web technologies: HTML, CSS, JavaScript, React 5+ years working with server-side languages Desired experience working with IDM platforms (Okta, Auth0) Familiarity with container technologies (Docker) and microservices architectures, preferred ...

proven experience developing technical solutions across websites, digital products, and/or automation initiatives. Is confident with modern front-end development (HTML, CSS, JavaScript/TypeScript, frameworks such as React or Angular) and has foundational experience in back-end technologies (Node.js, .NET, or Python). Understands web architecture, APIs ...

Tealium Event Stream, and Adobe Analytics Experience of integrating data sources via web and hypermedia APIs Proficient in Web Technologies like HTML, CSS, JavaScript, React.js, Next.js and Node.js, and in event-driven and eventual consistency systems using Kafka, .Net, Java, REST APIs, AWS, Terraform and DevOps Nice to have:experience ...

Vertex AI, DialogFlow, Auto ML Architecture Microservices patterns Event-driven architectures and message queues Relational and non-relational databases Languages and frameworks Java 17+, JavaScript, Python, SQL Common frameworks and APIs such as Spring Boot, Guice, Jersey, Node.js, Flask Knowledge of JVM, its limitations, weaknesses, and workarounds Building tools such ...

user-friendly web frontends using technologies such as React.js, Redux, Redux Saga, and Typescript. With a strong background in programming languages like Node, JavaScript, React.JS, Java, SpringBoot, and Golang, you possess a deep understanding of engineering and architectural principles, enabling you to contribute to the product technical roadmap and implement ...