Software Engineer III- React Native- Madrid

JPMorganChase
JPMorganChase

Software Engineering

Madrid, Spain

Posted on Jul 12, 2026

Behind every investment is a person with ambitions, motivations and values. While we know that every client is unique, they come to J.P. Morgan Personal Investing for the same reason: our straightforward and transparent approach to investing, and the trust that 150 years of J.P. Morgan heritage brings.

J.P. Morgan Personal Investing offers award-winning investments, products and digital wealth management services to over 275,000 investors in the UK. We built the business with innovation as a core part of our ethos to give consumers the confidence and clarity to make informed investment decisions and achieve their financial goals.

As a Lead Software Engineer - Front-End Engineer at J.P. Morgan Personal Investing, you will be a part of a flat-structure organization. Your responsibilities are to deliver end-to-end cutting-edge solutions in the form of cloud-native microservices architecture applications leveraging the latest technologies and the best industry practices. You are expected to be involved in the design and architecture of the solutions while also focusing on the entire SDLC lifecycle stages.

Job responsibilities:

  • Collaborate with cross-functional teams to define, design, and ship new features.
  • 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

J.P. Morgan is a global leader in financial services, providing strategic advice and products to the world’s most prominent corporations, governments, wealthy individuals and institutional investors. Our first-class business in a first-class way approach to serving clients drives everything we do. We strive to build trusted, long-term partnerships to help our clients achieve their business objectives.
We recognize that our people are our strength and the diverse talents they bring to our global workforce are directly linked to our success. We are an equal opportunity employer and place a high value on diversity and inclusion at our company. We do not discriminate on the basis of any protected attribute, including race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital or veteran status, pregnancy or disability, or any other basis protected under applicable law. We also make reasonable accommodations for applicants’ and employees’ religious practices and beliefs, as well as mental health or physical disability needs. Visit our FAQs for more information about requesting an accommodation.
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.
Behind every investment is a person with ambitions, motivations and values.
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