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.
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