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# Software Engineer III- React Native- Madrid

- **Company:** JPMorganChase
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Apple IOS, Mobile Application Development, Web Development, Performance Tuning, Responsive Web Design, TypeScript, Enterprise Software Applications, Appium, Software Application Programming, Kotlin, Material UI, Playwright, Graphql, React Native, Restful APIs, Es2015, Selenium Webdriver
- **Published:** August 27, 2026
- **Apply:** https://es.indeed.com/viewjob?jk=70128b87d4f57b0a

## About the Role

* Create and maintain clean, efficient, and reusable codebase.
 * Formal training or certification on JavaScript concepts and proficient advanced experience
 * Strong knowledge of JavaScript, TypeScript, and ES6+ syntax
 * Ability to write testable, clean JavaScript code

Preferred qualifications, capabilities and skills:

 * Proficiency in React framework
 * Building applications using React Native in TypeScript or JavaScript
 * Native application development across Android / iOS in Kotlin / Swift
 * Understanding of REST APIs and GraphQL
 * Comfortable working with projects partially or fully using TypeScript
 * Using latest React features such as Suspense and Hooks
 * End to end testing applications with Detox / Appium / WebdriverIO / Playwright
 * Extensive experience in modern web development, including responsive design and performance optimization
 * Hands-on experience with design systems, component libraries, and implementing consistent UI/UX across large-scale applications

#ICBCareers #ICBEngineering

## Description

* Collaborate with cross-functional teams to define, design, and ship new features., Our professionals in our Corporate Functions cover a diverse range of areas from finance and risk to human resources and marketing. Our corporate teams are an essential part of our company, ensuring that we're setting our businesses, clients, customers and employees up for success.


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