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