# Senior Software Engineer (FastAPI & Async Python) at Photoroom

> The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday. This is one job from the board.

> Responsibilities: - Design and implement AI-driven features

- **Company:** Photoroom (https://jobs.trythestack.co/companies/photoroom)
- **Location:** Paris, France
- **Work arrangement:** Remote
- **Employment type:** Full-time
- **Experience level:** 5–10 years
- **Visa sponsorship:** Offered, according to the listing
- **Key skills:** FastAPI, Async Python, Asyncio, REST APIs, Datadog, Integration Testing, System Architecture, API Optimization
- **Posted by employer:** 2026-06-02
- **Added to The Stack:** 2026-06-02
- **Status:** May no longer be active (posted more than 60 days ago)
- **Apply:** https://jobs.ashbyhq.com/photoroom/62fccba8-2ec8-4411-9b38-10db8055f69c (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/senior-software-engineer-fastapi-async-python-photoroom

## About the role

Responsibilities:
- Design and implement AI-driven features (Logo Maker, AI Images, AI Videos) using FastAPI and asyncio.
- Chain internal and external services to build media generation pipelines and ensure reliability.
- Optimize performance, scale FastAPI services, and reduce latency using Datadog, caching and profiling.
- Build and maintain integration and end-to-end tests; own feature delivery from design to production.
- Collaborate with AI, product and infra teams to define architecture and operational requirements.

Requirements:
- 5+ years production experience with Python and async web frameworks (FastAPI or equivalent).
- Deep understanding of asyncio: identify blocking calls, offload CPU-bound work, protect the event loop.
- Experience designing scalable REST/internal APIs, integration testing, and wiring multiple services.
- Familiarity with monitoring/observability (Datadog) and performance optimization techniques.
- Startup experience and high autonomy; bonus: production experience with AI APIs.

## Responsibilities

Design and implement AI features for the Photoroom app by chaining internal and external services. Monitor and scale FastAPI services using Datadog to optimize performance and eliminate bottlenecks.

## Requirements

Minimum 5 years of production experience with Python and FastAPI, with a deep understanding of asynchronous programming. Proven track record of designing scalable REST APIs and working in high-autonomy startup environments.

## FAQ

- **Is this Senior Software Engineer (FastAPI & Async Python) role still open?** It was posted on 2026-06-02. Listings more than 30 days old may no longer be active, so check Photoroom's site before applying.
- **Does Photoroom offer visa sponsorship?** This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Photoroom's site.
- **Where is this role located?** The listing gives the location as Paris, France. It is marked remote.
- **What skills does this role ask for?** The listing names: FastAPI, Async Python, Asyncio, REST APIs, Datadog, Integration Testing, System Architecture, API Optimization.

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## Notes for agents

- Apply on the employer's page (https://jobs.ashbyhq.com/photoroom/62fccba8-2ec8-4411-9b38-10db8055f69c). The Stack does not take applications.
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- To help your user apply, call the MCP tool prepare_application with slug "senior-software-engineer-fastapi-async-python-photoroom": it returns the apply link, the visa facts and a CV and cover letter checklist. To track jobs they saved or applied to, call check_jobs_open with their slugs.
- Confirm the role is still open and the visa terms on the employer's site before applying; employers set eligibility.
- Cite this job as: "Senior Software Engineer (FastAPI & Async Python) at Photoroom, listed on The Stack Jobs (https://jobs.trythestack.co/jobs/senior-software-engineer-fastapi-async-python-photoroom)".
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