20 react English-speaking jobs in Castile and León

one of our customer who has an expertise in:-In-depth knowledge of React.js: Proficiency with core React ... accessibility, and user-centric principles in every aspect of their work.Demonstrable experience as a React

Full Stack Engineer (Python, React, AI/ML/LLM/SDK) – Cutting-Edge Series B scale upLocation: Remote EU ... This role requires deep expertise in Python, React, and modern AI/ML development, including LLM frameworks ... systems.Key ResponsibilitiesDesign and develop scalable full-stack solutions involving both frontend (React ... performance, testability, and reliability across the stack.Key QualificationsStrong proficiency in Python and React

Native application from the ground up.Act as the technical reference in React and React Native, guiding ... technology companies in the world.Key ResponsibilitiesDesign and implement a high-quality, scalable React ... level B2 or higher (comfortable working in an international environment).Nice to HaveExperience with React ... responsibilities.Requirements4+ years of professional experience in mobile development, with at least 2 years using React

will have a strong proficiency in JavaScript and experience with modern front-end frameworks such as React ... Testing Library.Stay up-to-date: Continuously learn and adapt to the evolving React ecosystem Required ... unit and integration tests: Ensure code quality and maintainability using frameworks like Jest and React ... SkillsIn-depth knowledge of React.js: Proficiency with core React concepts, components, state management ... ResponsibilitiesDevelop new user-facing features: Translate designs and wireframes into high-quality, reusable React

Staff React Engineer (TypeScript + AI Experience)We are:Wizeline, a global AI-native technology solutions ... and state management patterns (Redux, Zustand, or Recoil).Proficiency with testing frameworks (Jest, React ... Skills8+ years of professional software development experience, with at least 5+ years specializing in React ... interfaces that improve usability, personalization, or automation.Deep understanding of JavaScript (ES6+), React ... ResponsibilitiesLead the architecture, design, and development of scalable, high-performance web applications using React

Technical Lead Engineer - React / AIWe are:Wizeline, a global AI-native technology solutions provider ... role:Must-have Skills Experience leading teams and direct contact with client8 years + working with React

hybrid schedule (3 days in office + 2 remote).What You’ll DoBuild and improve full-stack features (React ... improvements and new approachesSupport and mentor junior developersRequirementsStrong experience with React

Technical Team Lead – Full-Stack (React / Node.js) — Madrid (Hybrid)We are looking for an experienced ... leadership experience (Team Lead / Tech Lead / Senior capable of leading others)Strong experience with React

interact with sophisticated backend systems.What You’ll DoBuild modern, scalable web applications using React ... environments.Required Qualifications1–4 years of professional experience building web applications with React

Senior FullStack Developer (Python/React)Location: Remote from Spain (Spanish employment contract)Our ... both frontend and backend technologies.5+ years of experience with Python.3+ years of experience with React

working in Agile teams • Ownership mentality and teamwork attitudeVariation Senior Scala Developer with React ... and Typescript • Same as above plus experience building front end applications using React and TypescriptVariation

For our backend/frontend, we use Typescript & React/React Native and we've made one open source contribution.We

Our core technology stack is built with TypeScript, using React on the front end and NestJS on the back ... React, Angular) and their associated libraries.Proficiency in server-side languages such as TypeScript.Experience

between various data structuresWe are looking for someone who:Has strong proficiency in TypeScript and React

React as front-end development frameworkHave a pragmatic rather than a dogmatic approach, always seeking

methodologiesStrong proficiency in Power Fx, formulas, componentization, and PCF development (TypeScript/React

with JavaScriptExperience with RESTful APIs, GraphQL, and microservices architecture.Experience with React

JavaScript, XML, PHP, HTML5, CSS3, AJAX);Experience with usage of JavaScript frameworks (e.g., React,

and service-oriented architecture.Strong knowledge of Python and its ecosystem.Strong knowledge of React

SaaS products delivering end-to-end features.Core Stack: Expert knowledge of JavaScript, Node.js, and React