---
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-v600x8927qg6'
type: 'job'
last_seen: '2026-09-08'
---

# Senior Software Engineer Fullstack Kotlin / React (x/f/m) at Doctolib

- **Company:** Doctolib
- **Location:** Paris, France
- **Posted:** 2026-07-28
- **Last confirmed live:** 2026-09-08
- **Apply:** https://job-boards.greenhouse.io/doctolib/jobs/7809464003

## 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

## Core Business
- **Primary industry**: Healthcare information technology (healthtech) / Software Development
- **Target customers**: B2B (healthcare professionals across 120+ specialties) and B2C (patients managing their health journey)
- **Mission or purpose statement**: “Build together the healthcare we all dream of” – making healthcare more human, sustainable, and accessible. The company is a certified B Corp and mission-driven.

## Products & Services
- **Appointment Booking** – 24/7 online scheduling, waitlist management, calendar optimization, reminders and delay notifications.
- **Practice Efficiency (Digital Secretariat)** – Tools for patient base management, task manager, openings/absences, recall campaigns, and analytics.
- **Clinical & Care Cooperation** – Electronic health records (EHR), document management, secure messaging, prescribing, billing engine, and AI assistants for documentation and decision support.
- **Health Companion (Patient App)** – A mobile app offering prevention campaigns, early detection programs, personalized guidance via an AI assistant, video consultations, and messaging with professionals.
- **AI Consultation Assistant** – Structured transcription of consultations; has supported 5 million consultations.
- **AI Phone Assistant** – Virtual assistant handling bookings and messages 24/7.
- **Financial Solutions** – Simplifies billing and insurance processes for healthcare professionals.
- **Platform & APIs** – Internal platform for modular development; data import/export, CRM integrations, and partner programs.

## Market Standing
- **Valuation/Market Cap**: Not disclosed (private company)
- **Key Metric**: Annual Revenue EUR 257.6M (latest available); Total Funding USD 816M across 10 rounds
- **Notable Investors/Partners**: General Atlantic (lead in Series E), Eurazeo (Series D lead), Accel (Series B lead), and others. Acquired Dott.it, Tanker, and Appocrate.
- **Growth Signals**: 
  - 90 million patients and 420,000 healthcare professionals use the platform.
  - 2,900+ employees (up from ~2,618 as per LinkedIn; monthly headcount growth +1.0%).
  - Operating in France, Germany, Italy, Netherlands, with presence in Switzerland and UK.
  - Tech team of 900+ experts; AI features deployed in production (e.g., AI Consultation Assistant used in 5M consultations).

## Competitive Advantages
- **Network effects**: Large, two-sided marketplace connecting millions of patients with hundreds of thousands of professionals across Europe.
- **Deep healthcare expertise**: Over a decade of experience, solutions adapted to 120+ specialties and local regulations.
- **AI-first innovation**: Proprietary datasets, research lab, and production AI assistants that improve clinical efficiency.
- **Trust and compliance**: Certified B Corp, ISO 27001, HDS (health data hosting) – high security and privacy standards.
- **Platform modularity**: Cloud-native, distributed architecture that allows rapid adaptation to new countries and specialties.

## Strategic Focus
- **AI integration**: Scaling AI Consultation Assistant, AI Phone Assistant, and AI-powered clinical decision support.
- **Preventive and continuous care**: Shifting from reactive treatment to proactive health management via the Health Companion app.
- **Geographic expansion**: Deepening presence in existing European markets and entering new regions.
- **Platform modularization**: Building reusable components to accelerate product development and partner integrations.
- **Mission-driven growth**: Maintaining B Corp status while expanding revenue and impact.

## Why Work Here
- **Culture**: Mission-driven, B Corp certified, collaborative environment focused on social impact. Employees report a strong sense of purpose.
- **Work policy**: Flexible – hybrid and office-based modes available. Option to work from EU countries and the UK for up to 10 days per year.
- **Benefits**:
  - Health insurance 100% paid for employee and children.
  - 25 paid vacation days + up to 14 RTT days annually.
  - Free mental health and coaching services (Moka.care).
  - On-site gym with group classes (Paris office).
  - One additional month of parental leave on top of legal leave (Parent Care Program).
  - Lunch vouchers (Swile card), sports/club subsidy.
  - Solidarity Days (2 days/year for health charities).
- **Engineering culture**: 900+ tech team, dedicated onboarding (Doctolib Academy), continuous training, access to best AI tools, and internal mobility opportunities.
- **Employer rating**: 3.6/5 on LinkedIn (923 reviews) – work-life balance 3.7, culture 3.7, compensation 3.3.

## Sources
1. [careers.doctolib.com](https://careers.doctolib.com/)
2. [careers.doctolib.com/tech-doctolib](https://careers.doctolib.com/tech-doctolib/)
3. [linkedin.com/company/doctolib](https://www.linkedin.com/company/doctolib)
4. [jobsbyculture.com/companies/doctolib](https://jobsbyculture.com/companies/doctolib)
5. [welcometothejungle.com/en/companies/doctolib](https://www.welcometothejungle.com/en/companies/doctolib)

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