Senior Python Backend Developer - 3+ months - Freelance

Senior Python Backend Developer - 3months + - Freelance

We are looking for Python Back End developers to build the API server and video processing pipeline. One developer will focus primarily on the REST API and WebSocket server, while the other will focus on video processing with MediaPipe and the reference library system. Both will collaborate on the overall architecture.

Key Responsibilities
* Design and implement FastAPI REST endpoints for authentication, kicks, references, and sessions.
* Build WebSocket server for Real Time TV display updates with auto-reconnection.
* Implement video processing pipeline using MediaPipe for pose extraction.
* Design PostgreSQL schema with SQLAlchemy ORM.
* Implement background task processing with Celery and Redis.
* Build JWT authentication with role-based access control.
* Integrate with AWS S3 for video and image storage.
* Write comprehensive API documentation (OpenAPI/Swagger).

Must-Have Skills
* 5+ years Python Back End development experience.
* Strong in Python 3.10+, FastAPI, SQLAlchemy, PostgreSQL.
* Experience with Redis, Celery, WebSocket implementation.
* JWT authentication and REST API design.
* Git and testing with pytest.

Nice-to-Have
* MediaPipe/OpenCV experience.
* Video processing pipelines and computer vision basics.
* AWS S3/boto3 integration.
* Docker containerization and Alembic migrations.
* API performance optimization and Real Time systems experience.
* Sports/fitness domain knowledge.

If that sounds like a good match, feel free to apply or send your CV directly

Let op: vacaturefraude

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* Wij zullen nooit via WhatsApp of in een videogesprek vragen om jouw persoonlijke gegevens (zoals een kopie van je ID, bankgegevens of BSN).
* Twijfel je over de echtheid van een vacature of contactpersoon? Neem dan altijd rechtstreeks contact met ons op via de officiële contactgegevens op onze website.

Important: job fraud

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* We will never ask for personal information (such as a copy of your ID, bank details, or social security number) via WhatsApp or during a video call.
* If you're unsure whether a vacancy or contact person is legitimate, please reach out to us directly using the official contact details on our website.