Your Impact We are looking for a Senior Software Engineer to join the DIAL team in the Phone Assistant domain. Your mission will be to revolutionize access to care for patients and day-to-day practice management for practitioners through our Phone Assistant solution. You will work in a feature team developing innovative AI-powered voice services, contributing directly to millions of users across Germany, France, and Italy who rely on seamless phone interactions with their healthcare providers. Working in the tech team at Doctolib means building innovative products and features to improve the daily lives of care teams and patients.
What you'll build Build and operate scalable backend services in Node.js/TypeScript with additional exposure to Python
Ship cloud-native systems on Kubernetes and major Cloud Services (AWS/Azure/GCP)
Set up and evolve CI/CD pipelines with GitHub Actions while maintaining a high testing standard (unit, integration, e2e)
Debug and improve distributed systems in production with strong observability practices
Learn and apply VoIP telephony fundamentals ( SIP, RTP, etc.) to power real-time communication features
Own roadmap items end-to-end and contribute to pragmatic, secure architecture decisions
Design data models and drive database migrations and performance tuning for real-time workloads using PostgreSQL
What you'll bring You have at least 5+ years of backend engineering experience
You have the ability to design, build, and maintain scalable, resilient backend systems using Node.js/TypeScript with some Python
You have proven experience deploying and operating services on Kubernetes within at least one major Cloud Service (AWS, Azure, or GCP)
You have experience with CI/CD (e.g., GitHub Actions) and maintain a strong testing culture (unit/integration/e2e)
You have solid debugging skills for microservices and distributed systems
You have working knowledge of relational databases (PostgreSQL/MySQL) and schema design
You have an interest in or exposure to VoIP telephony basics (SIP, RTP/SRTP, SBCs, SIP trunks)
It would be fantastic if you You have experience with real-time communication systems (WebRTC, streaming, etc.)
You have worked with event-driven architectures and message brokers (Kafka/RabbitMQ/NATS/Redis Streams)
You are familiar with software design patterns; Domain-Driven Design is a plus
You have experience with PostgreSQL (migrations, EXPLAIN/ANALYZE, indexing strategies, connection pooling) and Redis (caching, short-lived state, queues)
Life at Doctolib Tech Our solutions are built on a single fully cloud-native platform that supports web and mobile app interfaces, multiple languages, and is adapted to country and healthcare specialty requirements.
Our stack is composed of Rails, TypeScript, Java, Python, Kotlin, Swift, and React Native.
We leverage AI ethically across our products to empower patients and health professionals. Discover our AI vision here.
Want to learn more about our tech culture and environment? Visit the Doctolib Tech site.
What we offer A Deutschlandticket (Germany-wide public transport pass) fully paid for by Doctolib
28 vacation days + 1 additional day for each full calendar year of employment (up to a maximum of 30 days)
Work from abroad for up to 10 days per year thanks to our flexibility days policy
Company health insurance with great supplementary benefits through our partner Allianz
Company pension scheme (bAV) through Allianz with an employer subsidy of 40% (15% within the probationary period)
The Doctolib Parent Care program, which includes one month additional parental leave and much more
Free mental health and coaching services through our partner Moka.care
Subsidized sports membership through our partner Urban Sports Club
A flexible workplace policy offering both hybrid and office-based mode
Alongside healthy snacks and our regular breakfast buffet, we provide a subsidized meal benefit
For caregivers and workers with disabilities, a package including an adaptation of the remote policy, extra days off for medical reasons, and psychological support
Relocation support in case of international mobility
Access to the best AI tools for coding, development and dedicated training
Our interview process Recruiter Interview
Live coding interview
System Design interview
Behavioral interview
At least one reference check
Job details Permanent position
Tech stack: Node.js, TypeScript, Python, Kubernetes, PostgreSQL
Full-time
Hybrid work mode: 3 days/week in the office
Location: Berlin, Germany
Start date: as soon as possible
We welcome everyone At Doctolib, we are committed to improving access to healthcare for everyone. This translates into our recruitment process. We evaluate candidates based solely on qualifications and motivation, without any form of discrimination. The more diverse ideas are heard, the more our product will truly improve healthcare for all. You are welcome to apply to Doctolib, regardless of your gender, religion, age, sexual orientation, ethnicity, or disability. To ensure equal opportunities, we invite you to exclude personal information (e.g., pictures, age) from your applications. If you require any accommodation, please let us know for support during the hiring process.
Your data privacy All information provided is processed by Doctolib for application management. For data processing details, click here: Germany. Please contact hr.dataprivacy(at)doctolib.com for inquiries or to exercise your rights.
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