Mobile Developer

Research & Development – Mobile Engineering /
Full-Time /
We are seeking a skilled Mobile Developer to join our highly committed team. In this role, you will be responsible for the design, production and testing of our mobile applications, including our core member application.

You will collaborate closely with members from across our teams including back-end and front-end developers, security engineers, data engineers, and product managers to create innovative software and ensure a seamless user experience.

Main Missions

    • Write and review software requirements, integrating best practices and consistency with system requirements 
    • Contribute to project planning, estimation, resource allocation and ensure timely and efficient delivery of the mobile roadmap 
    • Design and develop efficient components for the Zoī Mobile apps 
    • Faithfully integrate the work from our Design team into the applications 
    • Participate in code reviews and provide constructive feedback to team members 
    • Participate in writing technical documentation and its review 
    • Troubleshoot issues, improve performance and resolve security issues 
    • Keep up-to-date with emerging technologies and industry trends

Ideal Candidate Profile

    • Bachelor's degree (or equivalent) in Computer Science, Information Technology, or related field 
    • Minimum 3 years of experience as a Mobile Developer or similar role 
    • Excellent proficiency in React Native & Typescript 
    • A keen attention to detail: your laser sight spots design inconsistencies with ease 
    • You enjoy making magic happen & delight end users with a sleek experience 
    • Nice to have skills include: Reanimated, Native development (iOS/Android), GraphQL, some backend stack knowledge, health-related features of mobile OSes
    • Clear communicator: you excel in team communication, and have effectively navigated and bridged siloes in complex, multivariable environments 
    • Innovative thinker: you transform innovative ideas into tangible results 
    • Resilient problem-solver: challenging situations peek your curiosity, you demonstrate resilience and adaptability in high pressure environments
    • Fluent French & English
More about Zoī

Zoī ( is a deeptech startup at the intersection of medicine and wellness, founded by Ismaël Emélien and Paul Dupuy. In 2022, they raised 20M Euros in seed capital from leading investors, among which, Stéphane Bancel, Xavier Niel, Jean-Marie Messier, and 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 profoundly improve 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. A critical algorithm and technology suite facilitating the work of the medical team to analyze holistically the millions of data points generated 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