Full Stack Engineer
1 day ago
Barcelona
We’re looking for a Full Stack Engineer who wants real ownership in a fast‑growing, profitable health tech company. You will ship end‑to‑end features, shape the product, and grow with the team. Competitive salary with equity and clear growth path. Hybrid: 3 days a week in our office (yes, there’s a gym). 🚀 About Us • SANNO provides healthcare clinics and companies with technology to streamline operations, manage patients more efficiently, and leverage data for personalised care., • Our GDPR and HIPAA-compliant platform includes a clinician portal and research portal connected with their own app for patients., • Today we are serving amazing clients across Europe, UK and US. SANNO was created by Ariadna Masó as a result of her chronic gut condition diagnosed. Key Responsibilities • Develop and maintain scalable backend systems and APIs using Node.js and Adonis., • Manage databases (MySQL) and ensure data integrity and performance optimisation., • Deploy and monitor services using PM2 and Docker on AWS., • Deliver new features and improve existing ones., • Integrating Advanced AI Capabilities: Explore, evaluate and integrate LLM APIs and leverage agent frameworks to power up features in our products., • Ensure code quality, security, and best practices across all backend services. Design and create systems that always put user data security and privacy first, ensuring sensitive information is well-protected., • Product mindset with ability to understand metrics and user journeys., • Engineering Excellence: Contribute through Agile practices, clear documentation, thorough testing, and continuous integration. What we look for • A candidate based in sunny Barcelona., • Self-motivated with a hunger to make a real impact and grow with the company., • Bachelor’s degree in Computer Science or related field., • At least 4 years of backend engineering experience, ideally within a scaleup environment., • Proficiency in Node.js and Adonis, MySQL, Docker, AWS, and PM2. Python experience is a plus., • Strong problem-solving skills and a passion for building high-quality software., • Product mindset to understand what we do and why., • Fluent in English as we are an international team. Spanish is a plus., • A positive and solution-oriented mindset, unafraid to experiment and take initiative., • Doesn’t take NO as an answer. Curious and determined to make an impact., • Team player able to communicate with a senior backend developer and CEO. What We Offer • Competitive salary and benefits involving health and education., • Equity (share options) in the company with a vesting plan., • Hybrid working environment (3-4 days in our Barcelona office, 1-2 days remote). Office with a gym in central Barcelona., • Career growth and learning opportunities with 1:1 coaching from impressive exited founders and individuals advising SANNO in multiple fronts: software engineering, AI engineers and product., • Opportunity to make an impact and work in a fast-paced company with a talented, mission-driven team. Why SANNO? • SANNO is one of the top health tech companies to watch in Spain and Europe, as featured in publications like ELLE magazine and El Món Economia., • This is an exciting time to join, as we're rapidly scaling across Europe with major contracts already in place. We are a profitable business without depending on external capital., • You will be leading the technological developments of SANNO with many opportunities to grow internally., • Your work will have a direct impact in clinical settings and ultimately improve patients' lives., • You’ll have the opportunity to earn equity through stock options and actively shape the future of the company., • In this dynamic environment, you’ll learn and grow at a pace far beyond that of a typical corporate role, accelerating both your experience and career trajectory., • Our culture is all about respect and positivity and your voice will be heard in terms of making decisions. How to apply Send us your CV and Github at: ⚠️ Important Note: All official communications from us will come from an @sanno.health email. We'll never ask for personal details like banking information during hiring. If something seems suspicious, please confirm with us at