Fullstack Software Engineer - React, Kotlin & Ruby on Rails

Join ACAI (Advanced Calendar Improvement), a team dedicated to making day-to-day practice operations more efficient and less mentally exhausting for healthcare professionals and their teams. As a Software Engineer, you will help build products that centralise work, improve coordination, and automate administrative tasks across the practice; directly contributing to a smoother experience for healthcare professionals, staff, and patients.

What you'll do

• Develop reliable, intuitive features for Task Manager, Patient Flow Management, patient intake, appointment proposals, and telesecretaryship workflows
• Help practices coordinate the patient journey from arrival to completion of a visit, including waiting-room status, care steps, walk-ins, delays, patient movement, and check-out
• Design solutions that reduce the time healthcare professionals and staff spend manually creating, sorting, remembering, relaunching, and completing tasks
• Work across backend and frontend technologies to deliver high-quality, user-facing experiences
• Build performant, reliable, and observable services that can support Doctolib's growing user base and complex healthcare workflows
• Apply strong privacy, data protection, and security practices when working with personal and health-related information
• Partner closely with Product, Design, Data Protection, and other engineering teams to understand problems and deliver valuable solutions

What you'll need

• 3+ years of experience as a full-stack Software Engineer, ideally working on user-facing products
• Experience building scalable, robust, and reliable systems
• Comfortable working with sensitive personal or health-related data, such as PHI and PII, and apply a strong privacy, data protection and security best practices by default
• Experience collaborating closely with Product, Design, Security, and other engineering teams
• A user-first mindset and care about solving real problems for customers
• Fluent in English and comfortable working in a collaborative, discussion-oriented environment

Nice to have

• Experience in healthcare, medical software, fintech, or another highly regulated domain

What they offer

• Deutschlandticket (Germany-wide public transport pass) fully paid by Doctolib
• 28 vacation days plus 1 additional day for each full calendar year of employment (up to 30 days maximum)
• Work from abroad for up to 10 days per year through flexibility days policy
• Company health insurance with supplementary benefits through Allianz
• Company pension scheme (bAV) through Allianz with 40% employer subsidy
• Free mental health and coaching services through Moka.care