--- title: 'Senior Software Engineer Fullstack Kotlin / React (x/f/m) at Doctolib' canonical: 'https://feeny.ai/job/senior-software-engineer-fullstack-kotlin-react-x-f-m-doctolib-paris-xgteymy7gn5f' type: 'job' last_seen: '2026-10-16' --- # Senior Software Engineer Fullstack Kotlin / React (x/f/m) at Doctolib - **Company:** [Doctolib](https://feeny.ai/companies/doctolib) - **Location:** Paris, France - **Employment:** contract - **Work type:** hybrid - **Posted:** 2026-07-28 - **Last confirmed live:** 2026-10-16 - **Apply:** https://jobs.ashbyhq.com/doctolib/d1b6a817-cd8b-4f4b-861c-f32d99d2446a ## Job description ## What we do Join a team of passionate and hardworking entrepreneurs to transform healthcare! 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. ## What you'll do We are looking for a Senior Software Engineer FullStack to join the DOPE (Doctor Practice Evolution) team in the Clinical domain. As a Senior Software Engineer, you will help doctors create and deliver all types of prescriptions, covering the full lifecycle from drug prescription creation and renewal to medication search and paramedical care, across France and Germany. Team is also responsible for the creation of more than 2M prescriptions per week. You will work within a regulatory-heavy environment, collaborate with external drug database providers, and contribute to medication alert features based on patient profiles. ## What you'll build Your responsibilities include but are not limited to: - Collaborate with product managers, designers, and engineers to build features that deliver value to healthcare professionals and patients - Design and implement technical solutions ensuring performance, security, and usability across our fullstack applications (React, TypeScript, JVM ecosystem) - Contribute to code quality through reviews, testing, and continuous improvement of our development practices - Share your expertise and collaborate across teams to evolve Doctolib's architecture and technical standards 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](https://careers.doctolib.com/ai-careers/). Want to learn more about our tech culture and environment? Visit the[Doctolib Tech site](https://careers.doctolib.com/tech-doctolib/). ## What you'll bring Before you read on — if you don't meet the exact profile described below, but you feel this job description matches your skill set, we still encourage you to apply! - You have fullstack software engineering experience with React/Typescript and the JVM ecosystem (Java, Kotlin, Spring Boot) - Ruby experience is a bonus - You have a "user first" mindset and are committed to building secure, well-tested, and pragmatic code - You bring a strong testing culture and are passionate about code quality - You are proactive, curious, and eager to share knowledge through pair programming and collaboration ## What we offer - Free health insurance for you and your children - 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 - Work from abroad for up to 10 days per year thanks to our flexibility days policy - Work Council subsidy to refund part of sport club membership or creative class - Up to 14 days of RTT - A subsidy to refund part of the membership to a sport club or a creative class - Lunch voucher with Swile card - Reimbursement of public transportation - Relocation support for international mobilities - Access to the best AI tools for coding, development and dedicated training Standard interview process - Recruiter Interview - Coding Interview - System Design Interview - Behavioral Interview - Reference check - Offer! We want your experience to be clear, respectful, and transparent. Learn more about our hiring process on our[candidate experience page](https://careers.doctolib.com/tech-doctolib/getting-hired/). Job details - Permanent position - Full Time - Based in Levallois-Perret - Hybrid position - Start date: As soon as possible 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. Join us in building the healthcare we all dream of! ## Your data privacy All information provided is processed by Doctolib for application management. For data processing details, click here:[France](https://doctolib.legal/B2C-Privacy-Policy-Career-FR). Please contact hr.dataprivacy(at)doctolib.com for inquiries or to exercise your rights. ## About Doctolib ## Company Overview - **One-liner**: Doctolib builds digital healthcare solutions for health professionals and patients, including appointment booking, telemedicine, EHR, and AI-powered clinical assistants. - **Entity Type**: Private (Series E; $816M total funding) - **Headquarters**: Levallois‑Perret, France - **Founded**: 2013 - **Founders**: Not publicly listed (the company was founded by a team including Stanislas Niox‑Chateau, but the profile attributes it to a founding group; official sources do not emphasise individual founder names – likely Roman Schué, Stanislas Niox‑Chateau, and others) ## Core Business - **Primary industry**: Healthcare Technology / Healthtech - **Target customers**: B2B (healthcare professionals, hospitals, clinics) and B2C (patients); primary markets in France, Germany, Italy, and the Netherlands - **Mission/purpose**: “Build together the healthcare we all dream of” – a purpose‑driven company (société à mission) with seven social objectives including improving care teams’ quality of life, facilitating access to care, and developing prevention. ## Products & Services - **Appointment Booking & Calendar Management**: 24/7 online booking, waitlist, reminders, delays, and calendar optimisation. Used by 420,000+ health professionals and 90M+ patients. - **Clinical & Financial Suite (EHR)**: Electronic health records, document management, secure messaging, prescribing, billing engine, and insurance processing. Includes “Doctolib Médecin” for GPs and “Doctolib Kiné” for physiotherapists. - **AI Assistants**: - *AI Consultation Assistant*: Real‑time structured transcription and documentation (supported 5M consultations). - *AI Phone Assistant*: Handles booking and patient messaging 24/7. - *AI Health Assistant* (in Health Companion): Answers health questions, provides coaching, and guides care journeys. - **Health Companion**: Patient app for prevention campaigns, early detection, personalised guidance, video consultations, and care‑journey tracking. - **Practice Efficiency & Patient Acquisition**: Tools for patient base management, recalls/notifications, practice analytics, CRM integrations, and marketing visibility. - **Cooperative Care (Siilo)**: Secure messaging, case management, and referral platform enabling care coordination across professionals (merger with Siilo in 2023). - **Financial Solutions**: Simplifies complex billing and insurance workflows for healthcare professionals. - **Tailor‑made Service & Advisory**: Custom support and advisory for healthcare institutions. ## Market Standing - **Valuation/Market Cap**: Not publicly disclosed (private company; total funding $816M) - **Key Metric**: Annual Revenue ~€257.6M (most recent available). Total funding $816M (Series E of $170.3M led by General Atlantic in March 2019, with prior rounds from Accel, Eurazeo, Bpifrance, etc.) - **Notable Investors/Partners**: General Atlantic, Accel, Eurazeo, Bpifrance, and others. Partners include public hospitals (AP‑HP) and the French government (vaccination campaign support). - **Growth Signals**: - 90M+ patients and 420,000+ health professionals across Europe. - 2,900+ employees (up from 2,618 reported earlier). - Tech & Product team of 900+ engineers. - 15M online appointments booked per month in France alone, half outside office hours. - B Corp certification (goal achieved by 2024). - Expansion into Italy (2021) and Netherlands (via Siilo merger 2023). - AI adoption: AI Consultation Assistant supporting 5M consultations. ## Competitive Advantages - **Deep Healthcare Specialisation**: Over a decade of domain expertise; solutions meet highest clinical standards (ISO 27001, HDS certified). - **Localised Approach**: Products adapted to each country’s regulations, languages, and specialties while maintaining a unified platform. - **Ecosystem Lock‑in**: Integrated suite covering scheduling, EHR, billing, telemedicine, AI, and care coordination – creating a one‑stop shop for professionals. - **Scale & Network Effects**: Large patient base (80–90M) drives adoption by professionals, which in turn attracts more patients. - **AI‑First Innovation**: Research lab partnered with top tech and clinical institutions; deploying AI for documentation, decision support, and patient engagement. - **Purpose & Trust**: Certified B Corp and French “société à mission” with annual independent audits, reinforcing trust with users and regulators. ## Strategic Focus - **AI‐Powered Efficiency**: Scaling AI assistants to reduce administrative burden (targeting 4.5 hours saved per week per GP). - **International Expansion**: Deepening footprint in Germany, Italy, and the Netherlands while maintaining leadership in France. - **Real‑World Impact**: Focus on prevention, early detection, and continuous care (Health Companion). - **Platform Consolidation**: Integrating care cooperation (Siilo) and financial solutions to create a seamless end‑to‑end experience. - **Talent & Culture**: Growing tech team, investing in AI research, and reinforcing mission‑driven culture to attract top engineering and product talent. ## Why Work Here - **Purpose & Mission**: B Corp certified, purpose‑driven company with a clear social impact (improving healthcare access and quality of life for care teams). - **Tech Scale & Challenge**: Build platform used by millions, work with 900+ tech peers on cloud‑native (AWS), mobile, AI, and security at scale. - **Learning & Development**: Doctolib Academy for onboarding; continuous training in AI tools, soft skills, and leadership; transparent internal mobility. - **Benefits**: - Health insurance 100% paid for you and children. - 25 vacation days + up to 14 RTT days/year. - Parent Care Program: one additional month of leave beyond legal parental leave. - Free mental health coaching via Moka.care. - Gym (on‑site in Paris) with group classes. - Flexible workplace: hybrid or office‑based; work from EU/UK up to 10 days/year. - Subsidised sports/creative class membership. - Lunch vouchers (Swile card). - Solidarity Days (2 days/year for health charities). - **Work Environment**: Transparent internal mobility, support for new managers, diversity & inclusion initiatives, and a strong emphasis on collaboration with healthcare professionals. - **Locations**: Paris, Nantes, Berlin, Milan, Amsterdam, and other EU cities. ## Sources 1. [careers.doctolib.com](https://careers.doctolib.com/) – Careers page with benefits, culture, and product descriptions. 2. [linkedin.com/company/doctolib](https://www.linkedin.com/company/doctolib) – Company details, financials, workforce, and reviews. 3. [careers.doctolib.com/tech-doctolib/](https://careers.doctolib.com/tech-doctolib/) – Tech team overview, AI and product details. 4. [media.doctolib.com](https://media.doctolib.com/image/upload/mkg/file/impact_report_en_digital.pdf) – 2024 Impact Report with detailed mission, impact metrics, and business model. ## Other roles at Doctolib - [Responsable Partenaires Ecosystème Santé (x/f/m)](https://feeny.ai/job/responsable-partenaires-ecosysteme-sante-x-f-m-doctolib-paris-8ydj9rs3ybqc) — Paris, France - [Praktikum/Werkstudent:in Partnership Management (x/f/m)](https://feeny.ai/job/praktikum-werkstudent-in-partnership-management-x-f-m-doctolib-munchen-2srwp7ed20cv) — München, Germany - [Praktikum/Werkstudent:in Partnership Management (x/f/m)](https://feeny.ai/job/praktikum-werkstudent-in-partnership-management-x-f-m-doctolib-hamburg-wz07knq7h32t) — Hamburg, Germany - [Praktikum/Werkstudent:in Partnership Management (x/f/m)](https://feeny.ai/job/praktikum-werkstudent-in-partnership-management-x-f-m-doctolib-berlin-nsjp39903dz4) — Berlin, Germany - [Praktikum Public Affairs & Advocacy (x/f/m)](https://feeny.ai/job/praktikum-public-affairs-advocacy-x-f-m-doctolib-berlin-091ya8dcjtrh) — Berlin, Germany - [Team Manager Account Management (x/f/m)](https://feeny.ai/job/team-manager-account-management-x-f-m-doctolib-berlin-619t462evhfn) — Berlin, Germany - [Software Engineer Intern - Fullstack (x/f/m) - Berlin - March 2027](https://feeny.ai/job/software-engineer-intern-fullstack-x-f-m-berlin-march-2027-doctolib-berlin-8xhe2292w0p1) — Berlin, Germany - [Software Engineer Intern - Fullstack (x/f/m) - Amsterdam](https://feeny.ai/job/software-engineer-intern-fullstack-x-f-m-amsterdam-doctolib-amsterdam-f0zy604jsz1t) — Amsterdam, Netherlands - [Software Engineer Intern - Fullstack (x/f/m) - Milano](https://feeny.ai/job/software-engineer-intern-fullstack-x-f-m-milano-doctolib-milan-2vy0jxsyw48t) — Milan, Italy - [Software Engineering Intern - Fullstack (x/f/m) - Niort](https://feeny.ai/job/software-engineering-intern-fullstack-x-f-m-niort-doctolib-niort-maphfen14t6g) — Niort, France