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

to communicate effectively with partners

About voize

🎤 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:

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 Business – No two days are alike

Responsibilities

• 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
• From the idea and implementation to the ongoing development of our integrations
• Your work saves caregivers time, improves documentation, and supports people who do amazing work every day.
• 🤝 Your Skillset – What you bring to the table
• API design and development with REST

Requirements

• Design thoughtful data models and sustainable solutions for complex systems
• Excellent proficiency with
• Kotlin
• Fluent in German (C1)
• Willingness and work authorisation to travel to Berlin (we cover your expenses!)

Preferred

• Several years of experience in backend development and API integration

Benefits

• 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!