Backend Python Developer
Barcelona, SpainContractPosted 7mo agoStill listed 2 days ago
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Job overview
The company seeks a Mid-Level Python Developer to join its AI Data Platform team, focusing on backend development, API creation, and data orchestration using tools like FastAPI, SQLAlchemy, and Docker. The role involves collaborating on process improvements, applying AI/ML solutions, and ensuring high‑performance, sustainable software for renewable energy operations.
Skills & qualifications
Skills
Qualifications
Full job description
Your mission
Interested in working with an AI Data Platform supporting sustainability, with backend Python development and Data Orchestration, i.e. airflow?
This is your chance to become part of a startup internationally recognized for its cutting-edge technology.
We are a predictive technology platform focused on maximizing performance and digitalizing operations in renewable energy parks.
Our mission is to develop optimized, profitable, and user-friendly solutions, ensuring high performance and sustainability for energy producers.
Your profile
About The Position
We are looking for a Mid-Level Python Developer to strengthen our team and further boost our technical structure!
If you are driven by innovation and enjoy a collaborative environment, this could be the ideal opportunity for your career.
Main Responsibilities
- Develop, maintain, and evolve web applications using Python
- Create and integrate APIs using FastAPI
- Write SQL queries and interact with relational databases
- Participate in data modeling (entity-relationship) and normalization
- Use tools such as Git and Docker throughout the development lifecycle
- Apply, whenever possible, emerging AI/ML solutions and data-driven automation to improve delivery efficiency
- Collaborate with the team on continuous improvement of processes, testing, and code architecture
Required Qualifications
- Bachelor's degree in Computer Science, Computer Engineering, Systems Analysis and Development, or related fields
- Experience with Dagster, Airflow, or Prefect
- Knowledge of
- Python,
- SQLAlchemy,
- FastAPI or Flask,
- Pydantic,
- SQL,
- Data modeling,
- Git,
- Docker,
- Docker Compose
- Knowledge of AI/ML and data-driven automation
- Fluent English level
Nice to Have
- TimescaleDB
- Alembic
- Pytest
- Type hints
- CI/CD
- Kubernetes (deployments, services, ingress)
- Unit testing
- Knowledge of software architecture (patterns, repositories, services)
About Us
Delfos is doing more than predict failures it is scaling up operational knowledge.
Delfos Energy is an energytech focused on predictive maintenance solutions and digital transformation to improve performance in renewable energy generation.
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