22 of 22 Permanent npm Jobs in London

MobX).Solid understanding of HTML, CSS, JavaScript, and modern browser APIs.Familiarity with modern frontend tooling (Vite/Webpack, ESLint, and package managers such as npm/pnpm).Experience with automated testing, such as end-to-end tests (Playwright, Selenium), UI/Component tests (e.g. using Jest), or snapshot tests.STEM (technical ...

ExperienceTechnical skills: • Versatile JavaScript (TypeScript) developer with good software design principles,• With 7+ years of relevant experience,• Expert in React, Redux, RX JS, NPM/Yarn, webpack, CSS, HTML and the rest of web stack,• Familiar with CI/CD pipelines, e.g. Azure DevOps,• Good knowledge of design patterns ...

with trunk‐based development and CI/CD pipelines using GitHub actions Our tech stack: JavaScript/Typescript - especially Winston and package management (using npm) Frontend: React Backend: AWS Lambdas AWS Lambda SQS SNS IAM SES Cloudwatch Cloudfront Secrets Manager GraphQL MongoDB Serverless Framework & Terraform New Relic Essential Criteria ...

lazy loading, rendering performance) Cloud platforms and static hosting (AWS, Azure or GCP) Observability tooling including logging, metrics and frontend monitoring Package management with npm, yarn or pnpm What Success Looks Like You’ll demonstrate: Technical Excellence & Craft Mastery Write clean, maintainable and highly optimised code. Set high standards ...

audit requirements. Skills and Qualifications TypeScript, React, HTML/CSS, Node.js, AG Grid, streaming protocols and multithreading. Java 17+, Vert.x, Linux. Jira, Confluence, Git, NPM, Vite, Jest, TeamCity/Jenkins and Artifactory. Experience working in an Agile and DevOps environment. Experience working with or leading a development team. Strong ...

equivalent modern frameworks), unit testing (Jest), and E2E testing frameworks like Playwright. Tooling & Ecosystem: Familiarity with modern frontend build tools (Webpack, Rspack, Babel, NPM/Yarn). Data-Intensive Apps: Experience building responsive client-side web applications tailored for complex data environments. Deployment & Systems: Familiarity with continuous integration, deployment workflows ...

viewport coordination). Deep knowledge of DICOM/DICOMWeb workflows, imaging metadata, multi-series coordination, and medical data privacy considerations. Tooling fluency: Webpack 5, npm scripts, Dockerised deployments, Jest testing, ESLint/Prettier automation, and scalable state management patterns. Secure OAuth/OpenID (Keycloak) implementations, robust API integration, resilient error ...

Redux/RTK Query, React Context API) and client-side routing. Experience with common frontend tooling, testing, and CI frameworks (e.g., Vite/Webpack, NPM, ESLint, Jest, Playwright). Proven success in building scalable, responsive visual interfaces with strong cross-browser compatibility and user experience design sensibilities. Familiarity with RESTful ...

JSON Web Tokens Familiarity with modern front-end build pipelines and tools Experience with common front-end development tools such as Babel, Webpack, NPM, etc. Ability to understand business requirements and translate them into technical requirements A knack for benchmarking and optimization Familiarity with code versioning tools such ...

real-time, data-centric applications such as those found in Finance or Data visualisation.You have practical knowledge of web tooling such as Webpack, Storybook, NPM and Yarn.Highly proficient with Chrome dev toolsWell versed in core user-interface technologies – Javascript, HTML5 and CSS3A self-starter with a ‘gets things done’ attitude ...

SPFx) SharePoint REST APIs Front-end integration with SharePoint SharePoint customisation and extensibility Development Technologies TypeScript HTML5 CSS3 JSON Visual Studio Code or equivalent npm or pnpm Vite ESLint and Prettier Git-based source control systems Operational & Delivery Expectations The successful candidate will demonstrate: Effective use of Git-based source ...

implementing services, REST/WebSocket APIs and their data models. Solid working knowledge of the frontend stack: JavaScript and TypeScript, the Node.js/npm ecosystem, and a modern framework — React.js ideally, though experience with a comparable one is fine (please feel free to share any available examples of applications ...

knowledge in FX, Fixed Income, Equities, or Equity Derivatives.Additional expertise with kdb+ in complex, production‐scale environments.Exposure to modern JavaScript build toolchains, including Node.js, npm, Rush, Yarn, Webpack, Babel, and Cypress.About State Street & BestXState Street is a global financial services leader, combining scale, resilience, and advanced technology to support institutional ...

Fixed Income, Equities, or Equity Derivatives. Additional expertise with kdb+ in complex, production‐scale environments. Exposure to modern JavaScript build toolchains, including Node.js, npm, Rush, Yarn, Webpack, Babel, and Cypress. About State Street & BestXState Street is a global financial services leader, combining scale, resilience, and advanced technology to support institutional ...

with users, not just artefacts to publish. Background in DevOps or site reliability (monitoring, alerting, incident response). Experience with package management and publishing (npm, PyPI, internal registries). Previous experience in a platform team, consultancy, or shared services engineering function. Job responsibilities Build and maintain CI/CD templates ...

Federation, single-spa) and shared design systems across multiple pods. Data heavy UIs: grid ecosystems (AG Grid), complex filtering, pinning, pivoting. Publishing and maintaining NPM packages. Benefits of working at Bank of America: UK We strive to prioritise employees’ health and wellbeing – it’s what makes us a Great Place ...

CSOM)SharePoint JavaScript Object Model (JSOM)SharePoint REST APIsFront-end integration with SharePointSharePoint customisation and extensibilityDevelopment TechnologiesJavaScriptTypeScriptSvelteHTML5CSS3JSONTooling & Development EnvironmentVisual Studio Code or equivalentNodejs (LTS)npm or pnpmViteESLint and PrettierBrowser Developer ToolsGit-based source control systemsOperational & Delivery ExpectationsThe successful candidate will demonstrate:Effective use of Git-based source control and branching ...

tooling such as Datadog, OpenTelemetry, or Grafana Experience with Microsoft Entra ID/Azure AD or similar identity platforms Experience publishing and maintaining internal npm packages Experience building admin, control-plane, or internal workflow UIs Familiarity with financial services or complex internal application environments Compensation Jain Global offers a total ...

customer success to deliver reliable deployments used by hundreds of Segmentify customers daily. The role covers developing across React, Vue, or Svelte, building npm packages, and shaping Front-End CI/CD pipelines. A strong TS background and B2+ years of experience in BFF patterns are valued. #J-18808-Ljbffr ...

hands-on coding and configuration.The technical scope includes building effective automated test suites, remediating security vulnerabilities, performing dependency and reachability analysis, upgrading Java and NPM runtimes, modernizing Spring and legacy middleware applications, improving CI/CD pipelines, containerizing applications, automating deployments, and introducing standard observability and resilience patterns.The Expert … masking for lower environments. Conduct vulnerability triage, root-cause and dependency reachability analyses, remediation prioritization, secure code changes, and regression testing. Upgrade Java, JVM, NPM, Spring, open-source libraries, internal dependencies, installed software, base images, and operating systems to supported versions. Establish sustainable dependency-management processes with continuous library updates ...

For more than 20years, Talan has been advising companies and administrations, supporting them and implementing their transformation projects in the UK and abroad. With a presence on four continents and a headcount of 6000 consultants ...

personalise their campaigns on a daily basis. Our Tech Stack includes TypeScript, Node.js, React/Vue/Svelte, Vite, esbuild, Babel, pnpm/npm, GitHub Actions, Jest/Vitest, Playwright/Cypress, NestJS/Express, REST/GraphQL (check details from Stack Share Profile ) Responsibilities: Develop scalable, maintainable web applications … timely manner Configure and optimize build pipelines with Babel, Vite, and esbuild (HMR, tree-shaking, code-splitting, bundle size optimization) Develop and publish npm packages (semantic versioning, changelogs, automated releases) Build Front-End CI/CD pipelines with GitHub Actions (lint/test/build/storybook/e2e, caching ...