Senior Python Software Engineer (all)

Let me introduce...

With Sonia, doctors are successful doctors. We create and deploy AI-enhanced solutions that make doctors’ lives easier, patients’ care better, and healthcare systems more efficient. If you’re an intrinsically motivated self-starter who values impactful work, join us in revolutionizing healthcare.

We’re looking for a Senior Python Software Engineer (all) to take ownership of critical backend components in our AI-driven products. You’ll design and implement scalable architectures, mentor others, and ensure our systems are robust, reliable, and future-proof. Partnering closely with engineering and ML teams, you’ll build APIs and services that enable real-time communication, data processing, and automation at scale—always with clean, maintainable, and high-performing code.

This role can be performed in a hybrid setup from our offices in Luxembourg or Berlin, or remotely from anywhere in Germany or Luxembourg.

This is what you’ll own

• Design, development, and maintenance of scalable backend services using Python 3 (async, type hinting).
• Architect and implement RESTful APIs and real-time communication via WebSockets.
• Drive technical discussions and decisions, shaping backend architecture and coding standards.
• Debug and troubleshoot production issues, ensuring resilience, performance, and security.
• Advance our CI / CD pipeline and containerized deployments (Docker).
• Collaborate with ML engineers to integrate APIs and backend systems with AI / ML services.
• Mentor and support other developers, fostering best practices in engineering, testing, and documentation.
• Continuously identify opportunities for technical and process improvements.

You’ll thrive in this role if you bring

Nice-to-Haves

Why you’ll love working with us

Ready to apply?

If you’re passionate about backend engineering and want to make an impact in healthcare with cutting-edge AI technologies, we’d love to hear from you!

I’m Margarita and will be guiding you through the application process.

Sonia is transforming dental practices with an AI-powered SaaS platform that automates time-consuming administrative tasks. By streamlining documentation and billing, we help dental professionals reduce errors, improve efficiency, and boost revenue. With advanced speech recognition, our platform integrates seamlessly into existing workflows, providing a user-friendly solution tailored to the unique needs of the dental sector.