Senior Fullstack Engineer

📋 Description Join a self-organizing, cross-functional product team and cooperate closely with other Software Design, build, and maintain efficient and scalable applications written mainly in Effect-TS and Follow and establish the best engineering practices: automated testing, code review, pair Automate cloud services and configuration management to ensure scalability, operational efficiency Share your thoughts openly and honestly on what would be the best for our customers and the Be the change you seek - champion improvements within the team and products, adopting a proactive 🎯 Requirements Proven record (5+ years) of delivery of multiple scalable, high volume traffic cloud applications. Proficiency in full-stack JavaScript or TypeScript applications. Knowledge of Effect.js and Product-oriented mindset. Our teams shape the products they own and we expect you to influence Truly engineering approach to solving problems. Good theoretical foundations of computer science Good understanding of modern Cloud architectures, and practical experience implementing them. Deep architectural understanding of web applications, including performance, quality and security 🎁 Benefits Equity: every Appfire team member is eligible for company equity, fostering a true sense of 25 days of annual leave per calendar year (January–December) Up to 10 unused vacation days may be carried over to the following year and must be used by Reduced summer hours to support better work-life balance Flexible bank holidays, allowing employees to exchange one public holiday for another This role is fully remote within Spain, with the option to work from our Bilbao office whenever