
Senior Frontend Engineer at AvantStay. Who we are. AvantStay delivers exceptional, unique stays for group travelers. The company has built a tech-enabled millennial hospitality brand to be the new standard for group experience. With thousands of homes under management and over a million guests hosted, we’ve become the premier choice for unforgettable group experiences. We are venture funded and growing rapidly in the explosive $100+ billion dollar STR industry.. What we are looking for. AvantStay is seeking a Senior Front-End Software Engineer to help shape the future of short-term rentals. As part of our team, you’ll build the software that powers both guest experiences and the internal systems behind the scenes. You’ll need a strong grasp of engineering fundamentals and a hacker’s mindset — someone who can architect long-term solutions, but also move fast to test and iterate on new ideas.. Our fully remote team is small, flat, and talent-dense. We value high agency, creativity, and empathy to the users. You’ll thrive here if you enjoy collaboration, exploring ideas, and shipping code that has real impact. We’re already the #1 premier STR brand in the U.S., but the market is vast and our ambitions are even bigger. We’re looking for people who want to help define what comes next.. What you’ll do. . Architect and deliver front-end systems that power thousands of real guest experiences daily.. . Work across the stack — from customer-facing features to internal systems.. . Rapidly prototype new ideas to validate opportunities and drive innovation.. . Collaborate closely with product, design, and operations to solve cross-functional problems.. . Write high quality code that serves its purpose well.. . Review code and engage peers to focus on technical quality and pragmatic decision-making.. . Participate in the full development lifecycle — from ideation to post-launch support.. . Help shape our engineering culture and technical direction.. . Must Have:. . Proficiency in JavaScript and TypeScript - you can build with confidence and speed. . You know frameworks and tools we use : React, React Native, Next.js, MobX. . You have demonstrated experience building complex systems that have stood the test of time. . You are empathetic to users. You own your solutions and care deeply about the user experience. . You can communicate effectively with both technical and non-technical stakeholders. . Nice-to-Have:. . Genuine curiosity about how AI can shape the future of front-end development. . Understanding fundamentals of the backend and data will be a strong plus. We use Node.js, Scala, Python, Apollo, GraphQL, PostgreSQL and Clickhouse.. . Just as comfortable hacking together a prototype as designing a production-ready service.. . Experience working in or building your own startup is a strong plus.. . We understand that everyone’s path is different. We value agency over experience. If you don’t check every box but bring curiosity, drive, and a clear sense of purpose — we want to hear from you.. Whether you’re passionate about front-end mastery or curious to explore full-stack, data, or DevOps – you’ll find room to grow at AvantStay. We offer a variety of projects where you can challenge your skills. If you prefer to expertise just on the Front-End that’s also fine. You will definitely find your place here.. Company Location: Spain.