Frontend Engineer I (Hybrid) en Madrid, España

Responsibilities

• Build scalable and maintainable B2B software products using React and TypeScript.
• Design and maintain modular, reusable UI components, design systems, and component libraries.
• Translate Figma designs into high-fidelity, responsive, accessible interfaces across browsers and devices.
• Integrate RESTful and GraphQL APIs and collaborate with backend engineers on interfaces.
• Contribute to frontend architecture, technology evaluations, design reviews, code reviews, and technical ownership of production systems.
• Implement and support unit, integration, performance, and automated frontend testing.
• Optimize build pipelines, observability, deployment automation, frontend performance, and production reliability with DevOps teams.
• Collaborate with international Product, Design, Engineering, QA, DevOps, Data, Architecture, and Product Owner teams.
• Apply secure development practices and comply with information security policies and regulatory requirements.
• Advocate for end users while balancing technical constraints, priorities, and delivery timelines.

Requirements

• Strong knowledge of frontend development with React and TypeScript is expected.
• Familiarity with internationalization, localization, WCAG accessibility, performance optimization, and modern CSS such as CSS Modules, Tailwind, or Emotion.
• Understanding of distributed Agile environments and tools including Jira, GitHub, Miro, and Azure DevOps.
• Familiarity with frontend test automation frameworks such as Playwright or Cypress.
• Fluent English and Spanish communication skills and strong interpersonal abilities.
• Understanding of secure development practices such as XSS prevention and compliance frameworks including ISO27001, GDPR, and SOC2.
• Experience with Figma, Storybook, component libraries, and design systems is preferred.
• Familiarity with state management patterns such as Redux or React Context is preferred.
• Experience with observability tools such as Sentry or Lighthouse is preferred.
• Ability to translate designs into functional interfaces and foster change in a fast-paced, growing technology environment.

Benefits

• Hybrid work model combining remote and onsite work in Madrid.
• Opportunity to join the founding team of a newly established Technology Hub and influence its culture, practices, and technical direction.
• Fast-paced learning environment, high visibility of contributions, and opportunities to shape technology strategies.
• Access to the stability, resources, and global reach of Colliers.
• Collaborative work with international teams and global products serving internal and external commercial real estate customers.
• CVs must be submitted in English; applications with CVs in other languages will be rejected.