Senior Frontend Platform Engineer

Who we are:  Want to make an impact? Join our pack and come work (and play) with us. We believe everyone deserves the unconditional love of a pet—and at Rover, our mission is to make it easier to experience that love. Founded in 2011, the Rover app and website connect dog and cat parents with loving pet sitters and dog walkers in neighborhoods across the US, Canada, and Europe. We empower our community of trusted pet sitters and dog walkers to run their own pet care businesses on Rover with the tools and security of a global company to back them. Headquartered in Seattle, Washington, we work closely with our teams in Barcelona, San Antonio, Spokane, and remote locations. We've got a reputation for being a great place to work, having been named among the 100 Best Companies to Work For in Seattle Business Magazine and Washington's Best Workplaces in the Puget Sound Business Journal. We're an agile, fast-growing company, and our leadership comes from some of the world's most respected tech companies.  At Rover, our furry coworkers are just as important as our human ones—and we wouldn't have it any other way. Along with making the joys of pet parenthood more accessible, we're committed to fostering a diverse, inclusive, and welcoming community of pet people—and that starts with our employees. This role is approved for Sponsorship and provides relocation assistance to Barcelona. This role is permanent/full-time and hybrid (Mondays & Thursdays in our office in Poblenou in Barcelona. Please submit CV in English Meet the Team We are the Client Platform team. We help teams at Rover build high quality experiences fast by focusing on the underlying tools and frameworks.  As a Platform team, we build out the fundamental tech that powers the internals of and the mobile apps. We empower developers to be able to focus more on building great experiences than fighting their tech.  Some of our key investments:Continuing to expand our cross-platform Design Library. We maintain the shared library of re-usable components that make it easy to build cross-platform apps quickly. Moving the website to be served from We are migrating the fundamental tech used to serve to a community supported SSR platform. Moving Rover to a React Native-first app + development cycle. Our mobile apps are a mix of native and RxN code, and we'd like to be all-in on RxN. Improving the efficiency of working with the UX team. We are building out new processes to reduce design cycle times on teams. Managing Rover's adoption of modern tech - especially React, React Native, , React Testing Library, and others.  Technologies: is primarily built in React, served either from a Node SSR or Django backend, and compiled with Webpack. Our client API is written in Python in Django, which serves over 2 billion requests a month. Our mobile apps are a majority React Native, though with many parts in native Swift and Kotlin.  Our development environment centers around ready-to-use Codespaces. At Rover, we deploy to the web 10-20 times a day, with a median review -> merge time for PRs of 3 hours. Engineers average over 4 PRs/person/sprint. So all that to say - we prioritize shipping small, incremental work often and quickly  We are looking for someone with a primarily web development background who is excited to work both on Web React and React Native. As a senior engineer on our team, you will:Solve complex technical problems at the fundamentals of our web and React Native clients.Work to set technical standards across Rover, and then evangelize and educate on those standards. Build hybrid-first code that works across both web and React Native.Help to set technical roadmap and vision for the team. We don't have a partner Product Manager, and so "set our own destiny" in a sense.Work with other engineers in Barcelona to help mentor them and answer questions on Client Platform topics. Help mentor and coach more junior engineers.We have other members of the team who are native-app experts and primarily handle needs on that side. You will complement them with a web and React Native focus. This role is based in our office in Barcelona and will work virtually alongside other team members based in Seattle, WA in the US.  We are looking for a senior level engineer, with a rich background of solving complex web and react native issues. You may not have all of these, but some of the things you will bring are:7+ years as a professional software developerExpertise with Javascript frameworks (especially React) and component-driven design.Experience in React Native development. Expertise in multiple parts of our tech stack (see above).Experience building re-usable frontend design libraries. Experience handling large-scale technology upgrades across a broad range of a codebase.An excitement for defining technical standards that make sense for the organization.Experience coaching more junior developers.Rigor in automated testing, code quality, and engineering standard methodologies.A focus on observability, a propensity to ship code with effective monitoring and logging.Intuition for when to call it "good enough", and when to put in the extra time to polish.You're aligned with Rover Core Values. Our StyleWe are proud to be professional software developers building high quality, scalable, supportable solutions.We are curious and passionate about learning, providing the right environment and resources for professional growthWe are committed to building, fostering and maintaining a culture of inclusivity and diversity on both our teams and in our productsWe embrace progressive engineering practices including a continuous deployment pipeline, automated testing and deployment.We are serious about the quality of our production operation, and have thorough system, application and user interaction monitoring and anomaly detection.We are passionate about data driven decision-making.Our teams are integrated teams with developers, product managers, designers and data scientists working side-by-side.And, dogs in the office. Bring yours, too Benefits of Working at Competitive compensation Permanent contract Long-term incentive plan, with a company performance-based cash payoutPension Plan Meal tickets through Cobee 25 days paid time off, plus public holidays Private health insurance Discounted Gym Membership Bring your dog to work (and unlimited puppy time) Monetary help for adopting a dog plus yearly credit to use on our platformFlexible work hours. We trust you to get your work done, and are not watching what times you're coming and going Grab snacks, fresh fruit, in our kitchen to keep yourself going Regular team activities, including happy hours, game nights, and more Rover is an equal-opportunity employer committed to promoting a diverse, inclusive, and inventive environment with the best employees. We're driven by seeing our people succeed and grow, and we work to ensure everyone contributes to their fullest potential. We consider all qualified applicants without regard to age, race, color, ancestry, national origin, religion, disability, protected veteran status, sex, gender identity or expression, sexual orientation, or any other protected status in accordance with applicable laws, regulations, and ordinances. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.