Senior Python Programmer

IOON • barcelona, cataluña, Spain • Posted June 04, 2026

Location barcelona, cataluña
Job Type Full-time
Category Informática y tecnología
Posted June 04, 2026

Senior Python Programmer.

  • Backend: Python — Developing backend systems and microservices, building REST APIs, implementing business logic, integrating third‑party services, optimizing performance, writing scalable and maintainable code. Django, FastAPI.
  • DB: SQL / PostgreSQL / MongoDB — Writing complex queries, optimizing database performance, designing schemas, handling joins/window functions, maintaining data integrity.
  • Async / workers: Celery Servers: Gunicorn, Uvicorn, ASGI
  • Logging / monitoring: Loguru, Elastic Stack, OpenTelemetry.
  • DevOps: AWS — Deploying and maintaining cloud infrastructure, working with ECS services, Lambda functions and RDS databases, monitoring applications, managing cloud environments. Docker / Linux — Containerizing applications, managing environments, troubleshooting servers, deployment and infrastructure support.
  • Snowflake — Working with cloud data warehousing solutions, handling ...

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