Senior Frontend Engineer

• Architect and refine dense, stateful interfaces, including reservation managers, multi-property calendars, and unified guest messaging.
• Collaborate horizontally across squads to build reusable UI patterns, shared component libraries, and robust data-access layers.
• Bring surfaces to life with real-time server-sent events and optimistic updates that keep user data instantly synchronized without refreshes.
• Lead high-visibility platform migrations, smoothly consolidating domain packages into a single monorepo while keeping production live and stable.
• Elevate developer tooling by centralizing strict TypeScript settings, shared test configurations, and fast, signal-rich CI pipelines.
• Ensure safe, reliable releases through feature flagging, plan-based functional gating, and diligent post-rollout cleanup.
• Drive testing excellence across unit, visual regression, and end-to-end suites while building actionable real-user monitoring.
• Mentor mid-level frontend engineers, foster strong code review practices, and write clear technical documentation to empower the entire engineering team.

• You bring 6+ years of production experience building complex React and TypeScript applications, including at least 2 years in a large, shared codebase with multiple collaborating teams.
• You have a proven track record of migrating and consolidating large frontend estates incrementally without resorting to high-risk complete rewrites.
• You possess deep expertise in state management, real-time data flows (e.g., SSE), and performance optimization for complex web applications.
• You have hands-on experience with automated testing tools (such as Vitest, Cypress, or happy-dom) and visual regression testing.
• You set high standards for software quality and enjoy establishing shared foundations that elevate the work of surrounding teams.
• You embrace a continuous improvement mindset, using feedback, analytics, and monitoring to refine user experiences and technical patterns.
• You excel at boundaryless collaboration, seamlessly partnering across product squads to align on architecture and unblock technical dependencies.
• You take pride in mentoring peers, sharing technical context, and building a supportive engineering culture.

🏠 Remote Flexibility: The freedom to work from home.

🌴 Time to Recharge: 25 working days of paid vacation and Jornada Intensiva in August.

🛡️ Alan Health Insurance: Premium health, dental, and mental health support via Alan. Pre-existing conditions are covered.

💸 Tax-Free Savings: Increase your take-home pay by using Flexible Remuneration for meal costs (up to €220/mo) and public transport (up to €136/mo).

🖥️ Home Office Gear: We provide a table, ergonomic chair, and monitor for your home setup.

🇪🇸 Language Learning: Free Spanish classes.

🤑 Referral Program: Cash rewards for bringing in new talent.

✈️ Annual Offsite: We bring the whole team together in Barcelona once a year for an unforgettable company offsite!

🎯 Dynamic Hub: A high-energy, inclusive environment designed for collaboration and connection with a team that represents over 60 countries.