Responsibilities
Design, build, test, and maintain scalable web applications using React, TypeScript, HTML, and CSS.
Translate product and design requirements into responsive, accessible, and intuitive user interfaces.
Own frontend architecture, coding standards, reusable patterns, shared libraries, and design-system foundations.
Integrate frontend applications with RESTful APIs, GraphQL services, and backend systems.
Optimize Core Web Vitals, page-load performance, bundle size, runtime efficiency, reliability, security, and browser compatibility.
Write unit, integration, and end-to-end tests and maintain clean, documented code.
Review code, identify technical risks, resolve production issues, and use monitoring and observability tools.
Collaborate with product, design, backend, quality assurance, security, and infrastructure teams.
Contribute to delivery planning, estimation, documentation, architectural decisions, automation, and continuous integration and delivery.
Mentor frontend engineers, share knowledge, evaluate frontend technologies, and lead technical initiatives.




Requirements
At least seven years of professional software engineering experience, including significant experience building production-grade frontend applications.
At least seven years of experience working with JavaScript and React.
Strong proficiency in JavaScript, TypeScript, React, HTML, and modern CSS.
Experience designing scalable frontend architectures, reusable component systems, and accessible responsive interfaces.
Experience integrating applications with APIs and handling authentication, authorization, validation, caching, and error states.
Experience with unit, integration, and end-to-end frontend testing.
Familiarity with frontend tooling, package managers, build systems, and continuous integration pipelines.
Experience using Git and participating in collaborative code-review processes.
Understanding of frontend performance optimization, application security, production monitoring,

📌 Senior UX Engineer/Front-End Engineer (España)
🏢 Moniepoint
📍 España