We're working with an ambitious, fast-growing HealthTech company. Combining cutting-edge healthcare, AI and a premium consumer experience, the business is developing a technology platform designed to transform how individuals and clinicians understand, manage and optimise long-term health.
This is a highly hands-on position with significant ownership. You'll work closely with the leadership, clinical and operational teams to design and build technology used by both clients and healthcare professionals.
They're looking for a Senior / Lead Full Stack Engineer who is comfortable taking ownership and building products in a fast-moving environment.
Ideally, you'll bring:
Strong experience shipping real-world products within a startup or scale-up environment , ideally Series A/B stage
Strong TypeScript and React / Next.js experience
Experience building backend applications using Node.js and/or Python
Good knowledge of PostgreSQL in production environments
Hands-on experience building and managing infrastructure within AWS
Experience across both frontend and backend development




Exposure to mobile application development
Strong understanding of APIs, integrations, data architecture and modern cloud environments
Experience shipping genuine LLM / Generative AI-powered features into production
Hands-on use of modern AI development and agentic coding tools such as Claude Code, Cursor or similar
A strong product mindset — able to understand a business or user problem and translate it into a simple, effective technical solution
Comfortable operating with autonomy and making technical decisions without relying on a large engineering team
The Adecuado Background
This could be a particularly strong fit if you've worked as a:
Previous HealthTech experience is useful but not essential . We're more interested in engineers who have built high-quality products at startup pace and are excited about applying AI to complex real-world problems.
Why Join?
This is a rare opportunity to become the

📌 Senior Platform Engineer (Madrid)
🏢 Salt
📍 Madrid