Company DescriptionAden is an early-stage precision health and longevity company building a data-driven platform that integrates biological, clinical, and lifestyle data to deliver personalised insights and recommendations.We are building the technical foundations of a scalable health platform from the ground up and are now looking for a senior, hands-on Lead Software Engineer to own core backend systems and help shape the product and architecture at a formative stage.Role DescriptionThis is a hands-on technical leadership role. You will be responsible for designing, building, and evolving Aden's backend platform while working closely with the founder on product and technical direction.This role is expected to grow into a Head of Engineering or CTO position as the company scales, subject to mutual fit and company needs.QualificationsRequiredStrong backend or full-stack engineering experienceCommercial experience with Python and API developmentExperience working with relational databases (e.g. MongoDB, PostgreSQL)Experience deploying and operating systems in the cloud (AWS preferred)Comfortable owning architecture and execution in an early-stage settingStrong communication skills and ability to work closely with non-technical stakeholdersNice to haveExperience with FastAPI, React, or similar modern frameworksExperience with Docker and modern CI/CD pipelinesExperience working with data-heavy or regulated systems (health, fintech, etc.)Prior experience as an early or first engineering hireWhat we offerA senior, high-impact role with real ownership and autonomyThe opportunity to shape a platform from the ground upCompetitive compensation, plus meaningful equityFlexible, remote-first workingA clear growth path into a Head of Engineering / CTO roleThe chance to build technology with real-world impact on health and longevityJob Type: Full-timePay: €59,287.33-€80,000.00 per yearBenefits:Wellness programWork from homeApplication question(s):Have you built and launched a tech product before?Experience:Tech Leadership: 3 years (preferred)Work Location: Remote