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# Senior Software Engineer (FastAPI & Async Python)

- **Company:** Photoroom
- **Location:** Paris, France (Remote available)
- **Experience:** Expert
- **Salary:** €100,000.0 - €110,000.0
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Python (Programming Language), Datadog, Fastapi, Integration Tests, Restful APIs
- **Published:** June 4, 2026
- **Apply:** https://fr.indeed.com/viewjob?jk=a4fb120a23e103a4

## About the Role

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

## Description

* 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.


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