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- ...building complex, high-quality platforms for large user bases Have +7 years of professional experience with HTML5, CSS3, SASS/SCSS, JavaScript (ES6+), and REST APIs Possess deep expertise in React, Typescript, Node.js and Jest Understand automated testing, Git...JavaScriptFreelanceEmpleo permanenteDesde casa
DNA.inc
Madrid4 días atrás - ...Engineer Frontend for one of our retail tribes you should have the following knowledge and experience: Essential: A hardcore JavaScript developer with extensive experience in developing Front end applications with JavaScript (ES5/ES6), HTML and CSS (Experience with...JavaScriptContratoTrabajar en la oficinaDesde casaRemoto
ING Group
Madrid3 días atrás - ...relocation efforts . Responsibilities Develop and maintain responsive, user-friendly web applications using HTML, CSS, and JavaScript frameworks such as React, Vue, or Angular . Collaborate with UI/UX designers to translate design concepts into interactive...JavaScriptTrabajar en la oficina
Air Apps
Madrid3 días atrás - ...its core principles Solid grasp of Web fundamentals: HTML5 (Semantics & Structure) CSS (Responsive Design, Specificity) JavaScript ES6 General Networking ( IP & DNS, Caching) Experience with testing frameworks such as Jest, RTL, Cypress or Playwright...JavaScriptPráctica
JPMorgan Chase & Co.
Madrid19 horas atrás - ...Desarrollador Frontend JavaScript Principales responsabilidades Desarrollar y mantener componentes web reutilizables utilizando JavaScript, Web Components y lit-element. Implementar interfaces de usuario escalables y accesibles con HTML y CSS. Integrar aplicaciones...JavaScriptIndefinidoEmpleo permanenteRemotoTrabajo híbridoHorario flexible
IT Partner
Madrid1 día atrás - ...la colaboración, la innovación, el compromiso, la diversión y la confianza. REQUISITO MINIMOS React Contract testing JavaScript (ES5/ES6) CSS(Between 5 and 8 years) Unit & Component testing ( Karma, Chai, Sinon, Jasmine, Mocha) Integration & E2E (...JavaScriptContratoLunes a miércoles
- ...Jasmine* REST/JSON APIs (Swagger, HATEOAS)* Spring (including Spring Boot, Spring MVC, Spring Batch)* Build tools (Maven, Ant)* Unix* JavaScript (including JSON, Typescript, AngularJS/Angular)* ELK stack* Websphere**Required Attributes and Characteristics**• High attention...JavaScript
Solera Corporation
Madrid4 días atrás - ...Suspense, Error Boundaries, Portals, Profiler **StencilJS** (librería de Web Components) **HTML5, CSS3 (Tailwind)** **TypeScript / JavaScript (i18n / i18next)** Testing: **Jest, Vitest, React Testing Library** **Arquitectura & APIs:** APIs REST, **GraphQL**, **NestJS**...JavaScriptPrácticaEmpleo permanenteRemoto
Babel Group.
Madrid3 días atrás - ...the ability to create clear, insightful dashboards and reports. Proficiency in modern web technologies, including HTML5, CSS3, JavaScript (ES6+), TypeScript, and frameworks such as React, Angular, or Vue.js. Programming skills for data manipulation and analysis,...JavaScriptTrabajo híbrido
ARRK Engineering
Madrid1 día atrás - ...React, pero sino es valorable( Angular, Vue, Polymer or Lit-HTML/Lit-Element.)(+ de 5 años) Contract testing (entre 1 y 3 años) JavaScript (ES5/ES6) (+ de 5 años) HTML (+ de 5 años) CSS (+ 5 años) Unit & Component testing (Karma, Chai, Sinon, Jasmine, Mocha) (+...JavaScriptIndefinidoTrabajo de veranoEmpleo permanenteContratoRemotoLunes a juevesHorario flexible
- ...React, pero sino es valorable( Angular, Vue, Polymer or Lit-HTML/Lit-Element.)(+ de 5 años) Contract testing (entre 1 y 3 años) JavaScript (ES5/ES6) (+ de 5 años) HTML (+ de 5 años) CSS (+ 5 años) Unit & Component testing (Karma, Chai, Sinon, Jasmine, Mocha) (+...JavaScriptIndefinidoTrabajo de veranoEmpleo permanenteContratoRemotoLunes a juevesHorario flexible
- ...mobile applications Familiarity with common stacks Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery) Knowledge of multiple back-end languages (e.g. C#, Java, Python) and JavaScript frameworks (e.g. Angular, React,...JavaScript
Liberty Latin America
Madrid19 horas atrás - ...Informática o experiencia asimilable (al menos 10 años en proyectos de informática).**Conocimientos:** BootStrap 3.0+, jQuery 1.11.2+, JavaScript, CSS, HTML, JSON, AJAX, XML, JEE, Servlets, JSTL, JSP, Spring Framework 4+, Spring Security, Spring MVC, Spring AOP, Spring REST,...JavaScript
ITSicap
Madrid4 días atrás - ...comprehensive travel experience globally to its members. What you will do Working with top-notch tech stack including: ES6 code, Javascript libraries like ReactJS, Graphql, storybook to speed up developments, testing frameworks and libraries like Jest, React testing...JavaScriptEmpleo permanenteDesde casaTrabajo híbrido
Traveltechessentialist
Madrid12 horas atrásNueva - ...across the team. Qualifications ~5+ years of experience developing modern frontend applications. ~ Strong proficiency in JavaScript and TypeScript. ~ Solid experience with at least one major framework: Vue, Angular, or React. ~ Strong knowledge of HTML, CSS...JavaScriptTiempo completoTrabajo híbrido
- ...skills and extensive experience working directly with clients and partners ~ Experience with the following tech-stack: NodeJS, JavaScript, TypeScript, Angular, React.js Preferred Experience with at least one of the following: XML, SPML/SOAP, web and application...JavaScript
Clutch Canada
Madrid4 días atrás - ...Frontend Lead Engineer in the Prime vertical, you will be in charge of: Working with top-notch tech stack including: ES6 code, Javascript libraries like ReactJS, Graphql, storybook to speed up developments, testing frameworks and libraries like Jest, React testing...JavaScriptEmpleo permanenteDesde casaTrabajo híbrido
eDreams ODIGEO
Madrid1 día atrás - ...Responsibilities and Tasks Build future-forward applications with a modern tech stack at its core. Our foundation is built on JavaScript, TypeScript, ReactJS, a design framework based on styled-components, and GraphQL for efficient data querying. We ensure code reliability...JavaScriptEmpleo permanenteDesde casaTrabajo híbrido
eDreams ODIGEO
Madrid4 días atrás - AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple...JavaScriptPrácticaTrabajar en la oficinaRemoto
AgileEngine, LLC.
Madrid2 días atrás - ...seeking a Frontend Software Engineer in Madrid to design, develop, and test application code. The ideal candidate will have strong JavaScript skills and experience with modern frontend frameworks like Angular and React. The role requires excellent communication,...JavaScriptRemotoHorario flexible
ING Group
Madrid3 días atrás - ...building reliable web applications. The ideal candidate has over 7 years of experience in web technologies including HTML5, CSS3, JavaScript, and a deep understanding of React and Node.js. Responsibilities include driving quality solutions in a fast-paced environment....JavaScriptHorario flexible
DNA.inc
Madrid4 días atrás - ..., preferiblemente en Administración Pública o entornos regulados. · Dominio avanzado de Angular (v10 o superior), TypeScript y JavaScript (ES6+). · Conocimientos sólidos de HTML5, CSS3 y frameworks de diseño como Bootstrap. · Experiencia demostrable en testing, documentación...JavaScriptIndefinidoPrácticaContratoJornada indiferente
- ...superiores en áreas tecnológicas. - Nivel medio de inglés. - Mínimo 3 años de experiencia como arquitecto/a front-end. - Dominio de JavaScript, TypeScript, Angular 11+, React, Node.js. - Experiencia con Webpack 5, Module Federation, Vite. - Conocimientos sólidos en...JavaScriptPráctica
- ...valorable( Angular, Vue, Polymer or Lit-HTML/ Lit-Element .) Experiencia con Webcomponents / Lit Elements Experiencia con Javascript puro HTML (+ de 5 años) CSS (+ 5 años) Unit & Component testing (Karma, Chai, Sinon, Jasmine, Mocha) (+ de 5 años) Testing...JavaScriptIndefinidoTrabajo de veranoEmpleo permanenteRemotoLunes a juevesHorario flexible
de 30000 a 35000 €/año
...API de OpenAI / VertexAI / Anthropic / etc.* YOLO (You only look once) - Computer Vision* PostgreSQL* Node.js (Adonis, Nest.js)* JavaScript / TypeScript* React / React Native* AWS* *Contarás además con una suscripción a Claude Code Max o Cursor (u otra herramienta equivalente...JavaScriptIndefinidoAutónomoEmpleo permanenteTrabajar en la oficinaRemotoGaladrim
Madrid3 días atrásde 70000 a 90000 €/año
...stack. ~5+ years experience building and deploying full‑stack applications in production ~ Strong proficiency with TypeScript, JavaScript, and modern frontend frameworks (React required) ~ Backend experience with Node.js, Python, or similar server‑side technologies...JavaScriptTrabajo híbridoHorario flexibleInteractiveAI Limited
Madrid1 día atrás- What will I be doing? Define and steward the frontend architecture (frameworks, component patterns, state management, routing, SSR/SSG/ISR) across teams. Establish and evolve an organization-wide frontend baseline (Node LTS policy, package manager posture, canonical...Remoto
dLocal
Madrid4 días atrás de 40000 a 47000 €/año
...utilizamosBuscamos freelancers con experiencia sólida en al menos varias de estas tecnologías:* PostgreSQL* Node.js (Adonis, Nest.js)* JavaScript / TypeScript* React* React Native* AWSSe valorará experiencia en arquitectura, testing, buenas prácticas y metodologías ágiles.*...JavaScriptIndefinidoPrácticaAutónomoFreelanceEmpleo permanenteRemotoGaladrim
Madrid3 días atrás- ...complex, customer-facing web applications in a commercial software environment. Strong proficiency in front-end development (JavaScript, TypeScript, React, Angular, or Vue). Deep understanding of advanced software design patterns, application state management, responsive...JavaScriptRemoto
- ...de microservicios . Conocimiento en tecnologías como: Spring Boot (WebFlux) Angular, React Node.js Java / J2EE JavaScript PL/SQL API Manager WSO2 ~ Experiencia con bases de datos relacionales y documentales . Metodologías y herramientas...JavaScriptTrabajo híbrido
Antal International Network
Madrid2 días atrás
