Freelance Senior Backend Engineer - Kotlin (m/f/d)

e believe the greatest gift to frontline workers is time - time to care, connect, and be present. Today, that time is lost to admin work that pulls nurses away from what matters most: people. 💡 Your Mission As a Freelance Senior Backend Engineer for our German Market squad, you’ll ensure that data flows smoothly between our products and our partners' software solutions. You'll build and maintain the integrations that connect the voize with senior care and hospital software platforms. We are open for you to be based remotely across Germany, France or the UK. 🚀 Your Daily – No two days are alike Shape the future of our integrations – Develop interfaces that seamlessly connect voize with systems in the care and medical sectorBuild future-proof solutions – Develop a scalable API, set industry standards, and work closely with partners and clientsTake end-to-end ownership – From the idea and implementation to the ongoing development of our integrationsArchitecture with foresight – Design thoughtful data models and sustainable solutions for complex systemsWork with impact – Your work saves caregivers time, improves documentation, and supports people who do amazing work every day. 🤝 Your Skillset – What you bring to the table Several years of experience in backend development and API integrationExcellent proficiency with KotlinAPI design and development with RESTFluent in German (C1) to communicate effectively with partnersWillingness and work authorisation to travel to Berlin (we cover your expenses!)Can work with us for minimum 3+ months ✨ Ready to talk? ! 🚀 We look forward to your application and can’t wait to meet you – no matter who you are or what background you have! Skills: Tech