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Senior Software Engineer - Python (x/f/m)

Doctolib - Paris, Île-de-France, France - Hybrid - posted 2026-10-06

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Doctolib is seeking a Senior Software Engineer with Python expertise to join the ATP team within the Application Platform Domain. You will design and deliver essential platform components that empower Doctolib's engineering teams to build robust, scalable services used by over 60 services across the organization. In this role, you'll work on a platform feature team developing Python and Java/Kotlin chassis, project archetypes, business-agnostic services, cross-cutting concerns (resilience, security, observability), and Claude Plugins. You'll collaborate closely with product managers, designers, and fellow engineers in an agile, feature-team environment focused on improving healthcare delivery for care teams and patients. Key responsibilities include: - Collaborating with product, design, and engineering stakeholders to define and implement platform features - Taking a leading technical role within the team to establish vision ensuring performance, security, usability, and scalability - Contributing expertise to continuously improve implementation, testing, and monitoring practices for high-quality features - Optimizing performance of key Python-implemented features, challenging existing approaches when needed - Leading delivery of roadmap items alongside your team - Co-driving technical vision and roadmap creation for upcoming quarters Doctolib's tech environment is built on a cloud-native platform supporting web and mobile interfaces across multiple languages and healthcare specialties. The stack includes Rails, TypeScript, Java, Python, Kotlin, Swift, and React Native. The company leverages AI ethically across products to empower patients and health professionals. The role is permanent, full-time, based in Levallois with a hybrid setup allowing up to 2 remote days per week. Start date is flexible. REQUIREMENTS: Must-have: - Proactive, curious, collaborative mindset with eagerness to learn - Primary backend engineer background with expert Python knowledge - Solid understanding of web technologies and software development lifecycle - "User first" mindset focused on secure, well-tested, pragmatic code - Fluent English proficiency Nice-to-have: - Experience with Kafka and Kubernetes - Experience with ADK and ML libraries - Experience with Java or Kotlin

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