Who you are

- 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

What the job involves

- As a Senior Frontend Developer in our Bookings Group, you will shape the high-traffic, real-time interfaces that property managers rely on every single day

- Operating horizontally, you will lead the evolution of our frontend estate—moving large-scale applications into a modern, unified repository while raising engineering standards across multiple product squads

- 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

Benefits

- Remote Flexibility: The freedom to work from home any day that works for you.

- 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.

- Meal Perk: €150/month allowance on your Alan card + 50% off Ametller Origen prepared dishes at the office.

- Tax-Free Savings: Increase your take-home pay by using Versátil Remuneration for extra meal costs (up to €70/mo) and public transport (up to €136/mo).

- Free Spanish classes
- Home Office Gear: We provide a table, ergonomic chair, and monitor for your home setup.

- Great culture & working environment with an international team of over 60 different nationalities

📌 Senior Frontend Engineer (Barcelona)
🏢 Lodgify
📍 Barcelona