Freelance Backend Engineer - Kotlin (m/f/d) - French market
voizeJobsCloseBy Editorial Insights
voize is seeking a Freelance Senior Backend Engineer for the French Market squad to ensure data flows smoothly between voize and partners’ software, building and maintaining integrations with senior care and hospital systems. You’ll own end-to-end delivery of a scalable Kotlin API and REST interfaces, shape data models with foresight, and collaborate closely with partners to set industry standards. The role welcomes applicants based in France, Germany or England, with fluent French (C1) and a willingness to travel to Paris (expenses covered). Minimum 3+ months commitment, onsite or adaptable setup. Tips: tailor your resume with concrete Kotlin backend and enterprise API integration wins, highlight healthcare or partner integrations, show impact, emphasize travel readiness and collaboration across borders.
🎤 Why voize? Because we’re more than just a job!
At voize, we 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 French 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 in France, Germany or England.
🚀 Your Daily Business – No two days are alike
Shape the future of our integrations – Develop interfaces that seamlessly connect voize with systems in the care and medical sector
Build future-proof solutions – Develop a scalable API, set industry standards, and work closely with partners and clients
Take end-to-end ownership – From the idea and implementation to the ongoing development of our integrations
Architecture with foresight – Design thoughtful data models and sustainable solutions for complex systems
Work 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 integration
Excellent proficiency with Kotlin
API design and development with REST
Business fluent in French (C1) to communicate effectively with partners
Based in France, England or Germany
Willingness to travel to Paris (we cover your expenses!)
Can work with us for minimum 3+ months
✨ Ready to talk? Apply now! 🚀
We look forward to your application and can’t wait to meet you – no matter who you are or what background you have!