Senior Product Engineer na Zoi

Help Shape the Future of Preventive Medicine Through Deep TechAt Zoī, we’re building ambitious AI-driven products that will transform preventive healthcare and we need true builders to drive this journey.We’re looking for Senior Product Engineers who think and act like product co-creators, people who understand not just how to code, but why, what, and for whom they are building. The ideal profile is someone who has been a first or early engineer in a product team and who has helped design, build, and scale meaningful software from scratch.

Key Reponsabilities

Shape and build products end-to-end  from ideas and architecture to production and scaling

Bring a product mindset: deeply understand user needs, market context, and how tech choices shape product outcomes

Own technical depth: design reliable, scalable systems even if it requires learning new languages, tools, or frameworks

Collaborate across disciplines: product managers, doctors, researchers. Your ideas matter as much as theirs

Innovate & research when needed: AI, LLMs, deeptech. We value curiosity and the willingness to explore new technological possibilities

Improve the system continuously: Refactor, simplify, modernize you care about long-term tech health as much as shipping features fast

What We’re Looking For

3+ years of software engineering experience, with at least one strong "builder" experience such as being the first or an early engineer on a product team.

Proven ability to build and scale systems (backend, fullstack, data  your exact path can vary)

Strong in system design, architecture, and scalability challenges

A real product sense you want to know the "why" before the "how"

Comfortable with technical discovery, research, prototyping especially around new fields like AI, LLMs, or deeptech (a plus, but not required)

Curious, independent, proactive not waiting for a ticket or spec to start contributing

Tech stack agnostic  you care about principles, not tools (Our stack: TS, Python, ASW, PosgresQL)

Benefits & Perks

Compensation: Base salary to be determined according to profile.

Equity: BSPCE (stock options) included to share in Zoī’s growth.

Health & Wellness: Zoī Life check-up/year and membership included.

Benefits Package: Health insurance, meal vouchers & more.

Wellness Tools: Xellness Box including wellness devices of your choice.

Culture: Work in a flexible, entrepreneurial environment with autonomy to make an impact.

Work Mode: Hybrid-friendly setup, balancing remote and office presence.

Why Zoī

Build something meaningful: Help create life-changing AI health products with global impact

Real ownership: Your technical and product decisions will shape what millions will use tomorrow

Cross-disciplinary collaboration: Work with brilliant minds from engineering, medicine, and research

Stay at the frontier: Preventive healthcare, AI, deeptech a field where your curiosity pays off

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