Senior Back End Engineer
Paris
Research & Development – Back End Engineering /
Full-Time /
Hybrid
Redefining Preventive Medicine Through Deep Tech
We're looking for experienced Senior Backend Engineers to join our fast-growing team. At Zoī, you'll be part of a high-level engineering group building impactful products that support preventive medicine.
You’ll have the opportunity to join one of our feature teams, working on either our data projection application for doctors or our SaaS - members tracking platform.
Zoī is at the perfect stage for those who want to make a real impact. We’re building a company that’s redefining preventive healthcare using cutting-edge technology, and we’re doing it with resources and a team of passionate, ambitious individuals.
Main Missions
- Be part of a feature team: Collaborate closely with product, design, and engineering to shape the future of our applications. You’ll actively participate in decision-making and contribute to team strategy. We have many ideas and we need you!
- Own the backend: Design, develop, and maintain scalable backend systems that power our core products. You'll ensure performance, security, and reliability.
- Act like a builder: Zoī is a collective effort. We value initiative, bring your ideas to the table, challenge the status quo, and help us push the boundaries of what's possible.
- Collaborate cross-functionally: Work closely with engineers, product managers, doctors, and research scientists to ensure we build smart, data-driven, and impactful solutions.
- Improve continuously: Help modernize and clean up legacy code, optimize architecture, and introduce best practices that help us scale sustainably.
Ideal Candidate Profile
- 5+ years of experience as a backend engineer, with a high technical level demonstrated during these years
- Strong skills in Node.js, TypeScript, and PostgreSQL
- Solid understanding of backend application architecture & structuring
- Knowledge& experience of RESTful APIs, testing culture.
- Passion for building clean, scalable systems from scratch using strong design patterns
- Experience in fast-paced environments and handling scaling challenges
- Entrepreneurial mindset, you’re visionary, hands-on, and want to build something meaningful
- Always on the lookout for tech innovation and best practices
Why Zoī?
- Build life-changing medical tech: Join us in creating deeptech AI products that will transform healthcare and truly impact lives.
- Work with the best : Collaborate with world-class teams. Surround yourself with sharp, driven minds that will challenge and inspire you to grow.
- Make real impact at scale: Be part of something big & unique, build the legacy of Zoī
ABOUT ZOĪ
Zoī is a deeptech startup at the intersection of medicine and wellness, founded by Ismaël Emelien and Paul Dupuy. In 2022, they raised 20M Euros in seed capital from leading investors, among which, Stéphane Bancel, Xavier Niel, Jean Marie Messier, Rodolphe Saadé.
By combining advances in medicine, data science and behavioral science, Zoī provides its members with a state-of-the art 360° medical check-up, followed by a personalized digital support system to help them improving their quality of life and healthspan
The three pillars of Zoī
1. A network of high-end health centers where members meet their medical team, undergo their check-up and start their preventive health journey
2. An algorithm and technology suite facilitating the work of the medical team to analyze holistically the thousand data points collected during the medical check-up and make personalized recommendations for members
3. A mobile application that helps members take daily action to implement recommendations and make qualitative changes in their lives
