Senior Software Engineer (FastAPI & Async Python)

About us 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. We are looking for a Senior FastAPI engineer to help us add new AI features in Photoroom. You will use asyncio heavily to build and enhance AI features, improve private API speed, and integrate multiple services to deliver high-quality images and videos to our users Compensation: 100k + Stock-Options/BSPCE (Local currency) Location: Paris (Hybrid) About the role 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. About you 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 kn