Senior/Staff Applied Scientist — Photoroom
Photoroom, founded in 2020 and accepted into Y Combinator, is the world's most popular AI photo editor with over 300 million downloads and processing over 5 billion images annually. We serve creators and enterprises such as Amazon, DoorDash, and Decathlon through a B2C app and a B2B API.
About the Role
* Work on several ML solutions from requirements to product – owning the end‑to‑end pipeline.
* Build, train, and release diffusion models, including training from scratch and advanced fine‑tuning.
* Define data acquisition, labeling, and overall strategy for product impact.
* Collaborate with a small, multicultural ML team (≈75 people).
* Deliver new features and 0‑to‑1 solutions with rapid user feedback loops.
About You
* 3+ years’ experience in PyTorch, TensorFlow or JAX (preferred PyTorch).
* Deep experience with diffusion models for image creation or editing; trained models from scratch or performed extensive fine‑tuning.
* Pragmatic mindset, prioritizing fast iteration over perfection.
* Experience building complex architectures for product‑ready ML systems.
* Strong sense of ownership, initiative, and product‑technical decision making.
* Team‑player in a fast‑growing startup environment.
* Fluent in English; French not required.
Hiring Process
* Screening call with Head of AI.
* Home technical assignment reviewed with the team.
* Culture‑fit interview and team meet‑up.
* Reference checks and offer.
Benefits & Support
* Competitive salary + stock options / BSPCE.
* Relocation support: 10 k€ signing bonus, apartment assistance, visa support.
* Remote‑friendly: work from anywhere in Europe within 3 h flight from Paris; monthly office visits reimbursed.
* Tech gear: MacBook Pro, monitor, keyboard, etc.
* Socials: quarterly retreats, weekly happy hour & game time.
* Language lessons (English & French) if needed.
Support & EEO Statement
We are committed to creating an inclusive and diverse workplace. All qualified applicants receive consideration for employment without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, disability, or any other protected characteristic. If you have a medical condition or need an adjustment to our hiring process, please let us know so we can support you.
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