Summary: Napptilus is seeking a senior FrontEnd Developer to join a diverse team working on a high-volume data web platform, delivering high-quality code and impacting millions of users. Highlights: 1. Work on a high-volume data web platform 2. Join a diverse team of tech professionals 3. Contribute to a project with impact on millions of users **At Napptilus, we're growing and want you to be part of it!** We are looking for a senior\-level professional with experience as a FrontEnd Developer. You will be working on a web platform with a high volume of data flow, which is why we're seeking someone eager to take on the challenge and bring a lot to the table. **About Us:** Napptilus is a group of tech companies that provide software development services and create their own startups. Our group has over 15 years of experience in the tech sector, made up of a diverse team of engineers, tech gurus, designers, marketing strategists, and entrepreneurs. This complete team allows us to offer the latest technology to companies that trust us. Along with extensive experience in web solution development, native iOS and Android apps, and hybrid applications, we also invest in R\&D in fields such as Artificial Intelligence, virtual assistants, 3D reconstruction, biometrics, and Big Data. Some of the startups we have launched into the market include Bibulu, StageInHome, TracksCo2, Earthdas, Pinroute, Dada, Magnetika, Vodity, and iFamilyNetworks. **What We're Looking For:** * Delivery of high\-quality, well\-structured code. * Familiarity with SPA development. * Technologies: HTML5, CSS3, JavaScript, TypeScript. * ReactJS, React Hooks, Redux. * Node.js, Express. * Experience with testing: Jest, Enzyme, Mocha, Chai. * Build tools like Webpack. * Git. * SCRUM methodology. * Adaptability to different environments. * Interest in various technologies. **What We Offer:** * Permanent contract. * Flexible hours and remote work options. * Competitive salary. * 25 days of annual vacation. * Professional growth. * Great work environment. * Be part of an enthusiastic team filled with professionals you can learn from. * Contribute to a project with an impact on millions of users. * Ongoing training, flexible learning, and development through internal workshops. * Option for restaurant, public transport, and childcare vouchers. * Health insurance. * Breakfast delivered to your home on your birthday. * After\-work activities: drinks, go\-karting, paddle tennis, outings, dinners, etc. * Work at Pier 01 Barcelona Tech City, by the sea.