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Urgent! Senior Frontend Engineer (Hybrid) Position in madrid - Colliers

Senior Frontend Engineer (Hybrid)



Job description

Company Description Colliers is a leading diversified professional services and investment management company.

With operations in 68 countries, our 22,000 enterprising people work collaboratively to provide expert advice to maximize the potential of property and real assets to accelerate the success of our clients, investors and people.

We are at the forefront of the real estate industry, building for our future and backed by an exceptional record of success.

For more than 29 years, Colliers has created value for shareholders and people are proud owners of the business.

We are passionate, take personal responsibility and always do what’s right for our clients, people and communities.

Job Title Senior Frontend Engineer – Technology Hub, Madrid (Hybrid model – remote & onsite).

Job Description

We are seeking an experienced and passionate Senior Frontend Engineer for our newly established Technology Hub in Madrid.

As part of the founding team, you will shape culture, practices, and technical direction.

You will deliver world‑class technology solutions that power the future of commercial real‑estate.

Responsibilities
  • Design, develop and maintain scalable, secure and accessible enterprise user interfaces using React and TypeScript.

  • Build modular, reusable UI components and contribute to the design system and component library (Figma and Storybook).

  • Ensure frontend performance, accessibility and responsiveness across browsers and devices.

  • Integrate with RESTful and GraphQL APIs and collaborate with backend engineers on interface definition.

  • Participate in architecture discussions, technology evaluation and code reviews.

  • Implement automated frontend tests (Playwright, Cypress).

  • Apply coding standards, documentation and secure coding best practices; support CI/CD.

  • Collaborate with designers to translate Figma designs into pixel‑perfect UI and give technical insight.

UX Design Implementation
  • Translate design from Figma into high‑fidelity user interfaces.

  • Contribute to design feasibility discussions and maintain consistency across branding, interactions and UI behaviours.

Technical Leadership
  • Mentor mid‑level and junior engineers.

  • Identify technical improvement opportunities and advocate high‑quality standards.

  • Participate in design and code reviews to uphold engineering excellence.

  • Own production systems and drive continuous improvement of agile methodologies and tooling.

Quality & Performance
  • Promote test‑first development with unit, integration and performance tests.

  • Support root‑cause analysis and resolution of production issues to ensure reliability.

  • Participate in design system refactoring and modernization.

Qualifications – Required
  • 5+ years of frontend development with React and TypeScript.

  • Experience with Figma, Storybook, component libraries and design systems.

  • Ability to translate designs into functional interfaces.

  • Familiarity with internationalization, accessibility (WCAG) and modern CSS (e.g., Tailwind, Emotion).

  • Experience working in Agile distributed environments using Jira, GitHub, Miro and Azure DevOps.

  • Experience with frontend test automation frameworks such as Playwright or Cypress.

  • Excellent interpersonal and communication skills; fluent in English and Spanish.

  • Passionate about building high‑quality web applications with empowered teams.

  • Knowledge of secure development practices (XSS prevention, ISO27001, GDPR, SOC2).

Preferred Skills & Experience
  • Knowledge of state‑management patterns (Redux, React Context, …).

  • Experience with observability tools (Sentry, Lighthouse, …).

  • Ability to adapt quickly in a fast‑paced, growing tech environment.

Benefits: hybrid working model, inclusion in a global company, mentoring, agile environment and opportunities to influence technology strategy.

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Required Skill Profession

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