Senior Software Engineer – FastAPI, Async Python

Photoroom

Senior FastAPI engineer enhancing AI features for Photoroom's e-commerce platform. Collaborating with AI Tools squad and scaling FastAPI service for high-quality output.

Posted 6/2/2026full-timeParis • 🇫🇷 FranceSenior💰 €100,000 - €110,000 per yearWebsite

Tech Stack

Tools & technologies

Python

About the role

Key responsibilities & impact

Collaborate with the AI Tools squad to implement and improve AI features.
Design and architect new features, chaining a mix of internal and external services.
Monitor and scale the growing load on the FastAPI service.

Requirements

What you’ll need

5 years of production python & fastapi is a minimum baseline.
Experience designing and updating internal REST APIs operating at scale.
Strong practical understanding of FastAPI or a similar async Python http framework.
Ability to identify blocking calls in async handlers.
Experience with integration testing in a large Python project.
Worked in a fast-paced startup in the past
Bonus: experience working with AI APIs in production

Benefits

Comp & perks

Health insurance
30 days annual leave plus local public holidays
Competitive equity package with stock options/BSPCE
€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
Sports and cultural activities reimbursement
Relocation support (up to 10k) available for those choosing to move to France

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Hard Skills & Tools

PythonFastAPIREST APIsasync programmingintegration testingAI APIs

Soft Skills

collaborationproblem-solvingadaptability