Staff Engineer Frontend - Paris (x/f/m) at Doctolib

🌍 About the Team You will join the Healthcare Access stream within the Patient Domain at Doctolib. This stream sits at the very heart of our product: it owns the end-to-end journey patients take to access care, from discovering the right practitioner to booking their appointment and beyond. Our teams are tackling some of the most exciting and high-impact challenges in digital health: optimizing search and discovery experiences to help patients find the right care faster, building seamless appointment booking funnels that work at massive scale, crafting a delightful and reliable patient app experience, and expanding access to healthcare for new users and new use cases across Europe. As a Staff Engineer in this stream, your work will directly shape the interfaces and systems used by millions of patients every day. This is where web performance, frontend architecture, and user experience are not just engineering concerns - they are the foundation of how people access their health. 🎯 Your Impact As a Staff Engineer, you will be a key technical driver for the Healthcare Access stream. With a strong frontend expertise, you will shape the technical vision of our patient-facing products, ensure architectural excellence, and have a lasting impact on the way we build and evolve our platform at scale. In a stream where organic search and discoverability are key growth levers, you will also be a champion of web performance and search visibility, ensuring our patient-facing surfaces excel on Core Web Vitals, SEO, and emerging Generative Engine Optimization (GEO) practices. You will work in close partnership with Engineering Managers, Principal Engineers, Product Managers, and Designers to deliver high-impact projects that simplify and improve how patients access healthcare. 🔧 What You Will Do Technical Leadership • Define and drive the frontend technical strategy for the Healthcare Access stream, ensuring architectural decisions align with Doctolib's product and engineering vision • Lead technical discoveries, architect complex systems, and build consensus on technical direction across engineering, product, and leadership teams • Identify and introduce new frontend technologies, frameworks, and methodologies when relevant Engineering Excellence • Be deeply hands-on: write code, lead technical design, and solve hard engineering problems alongside your teammates • Demonstrate deep expertise in React and the broader frontend ecosystem (TypeScript, performance optimization, accessibility, design systems...) • Champion web performance as a first-class concern: define and track Core Web Vitals (LCP, INP, CLS), establish performance budgets, and drive continuous improvements across patient-facing surfaces • Embrace and champion AI-augmented engineering: leverage AI coding tools (GitHub Copilot, Claude Code...) to boost your own productivity and help the team adopt these practices effectively • Drive efforts to reduce technical debt, improve system reliability, and proactively mitigate risks Cross-Team Impact • Define and build cross-functional programs delivering end-to-end solutions across multiple teams • Connect teams across the stream by removing collaboration barriers and establishing knowledge-sharing rituals Mentor and Scale • Actively mentor and guide engineers across multiple teams through code reviews, pairing sessions, and technical guidance • Contribute to hiring, knowledge-sharing, and building a culture of engineering excellence across the stream User First • Champion a user-centric approach and lead simplification initiatives that reduce complexity and improve the patient experience • Drive SEO and GEO excellence: ensure our pages are discoverable by both traditional search engines and AI-powered assistants, leveraging structured data, semantic HTML, and content clarity at scale 🛠️ Our Tech Stack • Frontend: React, TypeScript, React Native (mobile) • Backend: Java/Spring Boot, Ruby on Rails • Data: PostgreSQL, OpenSearch, Redis • Practices: continuous deployments, CI/CD pipeline, test-driven development, feature flags, canary deployments 🙋 What you’ll bring 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’ll be a great fit if: • You have extensive experience (8+ years) as a Staff or Principal Engineer with a strong frontend specialization • You are a technical leader who can influence strategy and build alignment across teams and leadership • You have deep expertise in React and frontend architecture at scale, and are comfortable navigating the full stack when needed • You think in terms of system design, able to spot single points of failure and design for reliability and scalability • You have a strong understanding of web performance (Core Web Vitals, Lighthouse, performance budgets) and search engine visibility (SEO fundamentals, structured data, and emerging GEO practices) as competitive differentiators for consumer-facing products • You have adopted AI-augmented development and actively experiment with AI tools to enhance your own productivity and that of your team • You are user obsessed: you go the extra mile to fix the hard edge cases that users hit • You have excellent communication skills and know how to turn complex technical topics into clear, actionable decisions • You are comfortable speaking English in your day-to-day with the team Now, it would be fantastic if: • You are passionate about healthcare and motivated by the mission of improving access to care for millions of people • Experience in a high-traffic, consumer-facing web product is a strong plus 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 • Free comprehensive health insurance for you and your children • 25 days of paid vacation per year, plus up to 14 days of RTT • Free mental health and coaching services through our partner Moka.care • Work from abroad for up to 10 days per year thanks to our flexibility days policy • Lunch vouchers (Swile card) worth €8.50 per working day, with €4.50 covered by Doctolib • A subsidy from the work council to refund part of the membership to a sport club or a creative class • 50% reimbursement of your public transport subscription • Parent Care Program: receive one additional month of leave on top of the legal parental leave • 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 • Coding interview • System Design Interview • Behavioral Interview • At least one reference check • Offer! We want your experience to be clear, respectful, and transparent. Learn more about our hiring process on our candidate experience page. Job details • Permanent position • Full-time • Location: Paris, France • 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. 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: Germany l France l Italy l Netherlands. Please contact hr.dataprivacy(at)doctolib.com for inquiries or to exercise your rights.