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
Python Software Engineer (all)
to help us build scalable, reliable backend services and APIs for our AI-driven products. You’ll work closely with our engineering and ML teams to design and implement robust systems for real-time communication, data processing, and automation—always with code quality, performance, and maintainability as your guiding principles.
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
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Develop and maintain scalable backend services using Python 3 (with async and strong typing)
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Design and implement RESTful APIs and real-time communication via WebSockets
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Write clean, maintainable, and well-tested code following best engineering practices
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Debug and troubleshoot production issues to ensure reliability and performance
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Work with containerization (Docker) and contribute to CI/CD pipeline improvements
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Collaborate with cross-functional teams to integrate APIs and backend systems with ML services
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Proactively bring in ideas for improving architecture, automation, and processes
You’ll thrive in this role if you bring
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3+ years of professional experience in software development with Python 3
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Strong knowledge of asynchronous programming and type hinting in Python
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Experience with at least one web framework (FastAPI, Django, or Flask)
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Proven experience in building and consuming RESTful APIs
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Working experience with real-time communication using WebSockets (Socket.IO, FastAPI WebSockets, etc.)
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Familiarity with version control systems (Git, GitLab, Bitbucket)
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Practical knowledge of testing frameworks and debugging in production environments
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Experience with containerization (Docker) and basic CI/CD concepts
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Solid understanding of software engineering principles, design patterns, and clean code practices
Nice-to-Haves
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Experience working with LLMs (routing, parsing, error handling, guardrails)
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Knowledge of message brokers (RabbitMQ, Kafka, Redis Pub/Sub)
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Exposure to NoSQL databases (Redis)
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Familiarity with DevOps tools or Kubernetes environments
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Contributions to open-source projects
Why you’ll love working with us
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Full ownership of critical backend components in a fast-growing AI environment
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A team that values curiosity, learning, and pragmatic problem-solving
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Flexible working arrangements
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Competitive salary depending on experience
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Work on products that directly impact healthcare innovation
Ready to apply?
If you're passionate about web development and want to work with cutting-edge technologies, we'd love to hear from you!
I'm Margarita and will be guiding you through the application process.