Senior Software Engineer (FastAPI & Async Python)

• You’ll collaborate with the AI Tools squad implement and improve AI features in the Photoroom app (Logo maker, AI Images, AI Videos, and other features available on the homepage of the app).
• You’ll design and architect new features, chaining a mix of internal and external services to generate breathtaking images and videos for our users.
• You’ll monitor and scale the growing load on the FastAPI service, leveraging Datadog to find optimisations and bottlenecks or implementing smart caching of pipeline steps., * Home technical assignment, followed by a review with the team (can be compensated and under 3h)
• Culture fit interviews and meet the team!
• Reference check & Offer

Support - If you have a medical condition or an individual need for an adjustment to our process, and you believe this may affect your ability to be at your best - please let us know so we can talk about how we can best support you and make any adjustments that may be needed.

Do you have experience in Python?, * You have experience designing and updating internal REST APIs operating at scale, collaborating with other teams to gather their requirements and monitoring and improving the performance of existing services, ideally with Datadog.

• 5 years of production python & fastapi is a minimum baseline.
• You have a strong practical understanding of FastAPI or a similar async Python http framework (has to be async).
• You know how to keep async actually async. You can identify blocking calls in async handlers, know when to offload CPU-bound work to a thread, and treat protecting the event loop as table stakes.
• You have experience with integration testing in a large Python project and wiring multiple external services or APIs together reliably
• You have worked in a fast-paced startup in the past and thrive in high-autonomy environments where you set your own direction and own outcomes end-to-end
• Bonus: experience working with AI APIs in production

• Work flexibly from one of our core countries: France, Germany, Italy, Spain, Poland, the US (NYC)
• Regular team gatherings, including in-person onboarding in Paris (1-2 weeks), yearly company offsite and team retreat, quarterly in-person meetings (monthly during probation period), and social events like winter party and hackathons.
• 30 days annual leave plus local public holidays
• Competitive equity package with stock options/BSPCE, giving you ownership in our growing company
• €1000 one-time home office grant OR €400 per month co-working space stipend
• €1,000 annual learning and development budget for training, courses, books, and skill development
• Private health insurance
• Access to personalized mental health support, including 1:1 sessions with therapists or coaches, self-care tools, and well-being resources via MokaCare
• Sports and cultural activities reimbursement
• Relocation support (up to 10k) available for those choosing to move to France, including apartment finding and visa assistance.

Note: Visa sponsorship and relocation support are only available for positions based in France. We cannot sponsor visas for remote positions outside of France.

Diversity, Equity, Inclusion, and Belonging

We’re committed to enabling everyone to feel included and valued at work. We believe our company and culture are strongest when composed of diverse experiences and backgrounds.

That’s also why we have flexible working hours, trust people to work remotely, and extended parental leave.

Founded in 2019 and part of Y Combinator’s 2020 cohort, Photoroom is the leading visual solution for e-commerce.

We’ve raised Series B funding and reached 300+ million users worldwide, processing over 5 billion images annually and serving both small businesses and major enterprises like Amazon, DoorDash, and Decathlon through our mobile app, web platform, and API.

We’re a remote-friendly team of 100+ passionate builders giving e-commerce businesses superpowers to create visuals that help them grow, making the hardest parts of selling online disappear. We focus on craft, innovation, and collaboration, creating exceptional impact for e-commerce businesses worldwide.