We are seeking an experienced and passionate Frontend Engineer I for our newly established Technology Hub in Madrid. This is a unique opportunity to become part of the founding team that helps shape the culture, practices, and technical direction. Working in a hybrid model (remote & onsite), you will enjoy significant freedom to innovate and influence the future of one of the world's largest commercial real estate companies. With the leadership of the Global Technology Hub coming from a background of technology startups, you will benefit from a fast-paced learning environment, high visibility of your contributions and opportunities to shape processes, culture and technology strategies. At the same time, you take advantage of the stability, resources, and reach of a successful global company .
Guided by our global digital strategy, the Madrid Hub collaborates closely with international teams to deliver world-class technology solutions that power the future of commercial real estate.
As Frontend Engineer I , you have a strong foundation in React and Typescript and thrive in component-driven design. You will play a key role in designing, developing and maintaining scalable, secure, and accessible enterprise user interfaces that power our digital experiences across platform. You will contribute to global products and design systems, that serve both internal and external customers in Commercial Real Estate across multiple regions. Working closely with international Product & Design, Engineering, DevOps, Data, QA and Architecture teams, you will ensure delivery excellence, software quality and great customer experience.
You are a hands-on problem-solver with strong software design principles, who thrives in a collaborative and agile ennvironment.




Essential Functions and Job DutiesFrontend DevelopmentImplement scalable and maintainable B2B software productsDesign and build modular, reusable UI components using React and Typescript.
Ensure frontend performance, accessibility, and responsiveness across browsers and devices.
Integrate with RESTful and GraphQL APIs and collaborate with backend engineers to define and document interfacesContribute to architecture discussions/technology evaluation and participate in system and code reviews.
Maintain and evolve our design system and component library based on Figma and Storybook.
Contribute to the implementation of automated frontend testsHelp define and adhere to coding standards, documentation and software lifecycle best practices. CI/CD, and secure coding.
UX and Design ImplementationTranslate design from Figma into high-fidelity, pixel-perfect user interfaceContribute to design feasibility discussions and provide technical insights during design phases.
Collaborate with designers to maintain consistency across branding, interaction patterns, and UI behavioursTechnical Leadership AlignmentIdentify opportunities for technical improvements and advocate for high-quality engineering standardsParticipate in design and code review sessions to uphold engineering excellence across the teamTake on technical ownership of production systemsContinuous improvement of agile methodologies and toolsQuality and PerformanceDrive culture of test-first development with unit,



integration and performance testingSupport root cause analysis and resolution of production issues, ensuring high reliability and uptimeContribute to ongoing design system refactoring and modernization efforts.
Global CollaborationWork cross-functionally with backend engineers, QA, UX designers and DevOps to deliver end-to-end features.
Work closely with DevOps and Engineering Operations teams to optimize build pipelines, observability and deployment automation.
Ensure compliance with general standards, information security policies and regulatory requirementsCollaborate regularly with Product Teams, especially Product Owners, to algin on requirements, clarify priorities and deliver business value iteratively.
Advocate for the end user while balancing technical constraints and delivery timelinesRequired Skills/Experience:No experience in frontend development using React and TypeScript but strong knowledge is expectedFamiliarity with internationalization/localization, accessibility (WCAG), performance optimization, and modern CSS (e.g. CSS Modules, Tailwind or Emotion).
Understanding of Agile distributed environments and using tools such as Jira, GitHub, Miro and Azure DevOps.
Familiarity with frontend test automation frameworks (e.g. Playwright, Cypress)Excellent interpersonal and communication skills, fluent in English and Spanish.
Passionate about building web applications based on high-quality component libraries and user interfaces with empowered teams.
Understanding of secure development practices (e.g. XSS prevention) and compliance frameworks (e.g. ISO27001, GDPR, SOC2).
Preferred Skills/Experience:Experience with Figma, Storybook, component libraries and design systems.
Demonstrated abi

📌 Frontend Engineer I (Madrid)
🏢 Colliersinternationalemea
📍 Madrid