Senior Software Engineer at Doctolib   We are looking for a Senior Software Engineer to join the DIAL team in Phone Assistant domain. As a Senior Software Engineer, your mission will be to work on revolutionizing access to care for patients and day-to-day practice management for practitioners through our Phone Assistant. You will be working in a feature team developing the phone interaction capabilities that enable seamless communication between practitioners and patients across Germany, France, and Italy. Working in the tech team at Doctolib involves building innovative products and features to improve the daily lives of care teams and patients. We work in feature teams in an agile environment, while collaborating with product, design, and business teams. Your responsibilities include but are not limited to:

• Build and operate backend services in Node.js/TypeScript with additional exposure to Python
• Ship cloud-native systems on Kubernetes and Cloud Services (AWS/Azure/GCP)
• Set up and evolve CI/CD with GitHub Actions
• Keep a high testing bar (unit, integration, e2e) and design for testability
• Debug and improve distributed systems in production with strong observability

About our tech environment

• Our solutions are built on a single fully cloud-native platform that supports web and mobile app interfaces, multiple languages, and is adapted to the country and healthcare specialty requirements. To address these challenges, we are modularizing our platform run in a distributed architecture through reusable components.
• 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 and learn about our first AI hackathon here!

Who you are Before you read on — if you don't have the exact profile described below, but you feel this job description matches your skill set, we still encourage you to apply.

• 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)
• You have a proven testing culture (unit/integration/e2e) and code quality focus

Now it would be fantastic if you have:

• Experience with real-time communication systems (WebRTC, chat, streaming, or VoIP)
• Exposure to telephony basics (SIP, RTP/SRTP, SBCs, SIP trunks)
• Experience with event-driven architectures and message brokers (Kafka/RabbitMQ/NATS/Redis Streams)

What we offer

• Company health insurance through our partner Allianz
• Minimum 28 days of paid leave
• Parent Care Program: receive one additional month of leave on top of the legal parental leave
• Free mental health and coaching services through our partner Moka.care
• For caregivers and workers with disabilities, a package including an adaptation of the remote policy, extra days off for medical reasons, and psychological support
• A flexible workplace policy offering both hybrid and office-based mode
• Work from EU countries and the UK for up to 10 days per year, thanks to our flexibility days policy
• Reimbursement of public transportation

The interview process

• Recruiter Interview
• Live coding interview
• System Design interview
• Behavioral interview
• At least one reference check
• Offer!

Job details

• Permanent position
• Full-time
• Berlin
• Start date: as soon as possible

If you would like to find out more about tech life at Doctolib, feel free to read our latest Medium blog articles! 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, 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. Join us in building the healthcare we all dream of! All information provided is processed by Doctolib for application management. For data processing details, click here. Please contact hr.dataprivacy@doctolib.com for inquiries or to exercise your rights.