Ioon
Senior Python Programmer (Cataluña) - €30.000 - €39.000 A Year
Senior Python backend developer at Ioon, hybrid in Barcelona, building microservices and REST APIs with Django/FastAPI, PostgreSQL/MongoDB, Celery, and AWS (ECS, Lambda, RDS), with some React frontend, Docker, CI/CD, and Snowflake work. Permanent contract paying €30k–€39k gross per year.
- Compensation
- €30K–€39K / yr
- Location
- Barcelona, Spain
- Work setup
- Not specified
- Seniority
- Senior
- Employment
- Not specified
- Experience
- Not specified
- Category
- Not specified
- Posted
Skills
Must have
- English B2/C1
- Python backend development: microservices, REST APIs, business logic, third-party integrations, performance optimization
- Django and FastAPI
- SQL / PostgreSQL / MongoDB: complex queries, schema design, performance optimization
- Celery async/workers; Gunicorn, Uvicorn, ASGI servers
- Logging/monitoring: Loguru, Elastic Stack, OpenTelemetry
- Frontend: JavaScript, TypeScript, React, Vite
- AWS: ECS, Lambda, RDS, cloud infrastructure deployment and monitoring
- Docker and Linux: containerization, environments, server troubleshooting
- Snowflake: cloud data warehousing, large-scale datasets, analytics/reporting
- REST APIs: design, integration, auth, documentation
- Git / GitLab / CI/CD: code reviews, deployment pipelines, automated testing
- Cloud architecture: scalable backend infrastructure, production support
- gRPC
Full description
Seeking a Senior Python Programmer to develop backend systems, microservices, and REST APIs. Responsibilities include database management, cloud infrastructure deployment on AWS, and CI/CD pipelines.