Backend Python Developer

Delfos Energy; Barcelona; Presencial; EUR 45.000 - 60.000; Jornada completa

Descripción de la vacante

A leading energy technology company in Barcelona is seeking a Mid-Level Python Developer to join their innovative team. You'll be involved in developing web applications using Python, integrating APIs, and improving delivery efficiency with AI/ML solutions. A Bachelor's degree in Computer Science or a related field is required, along with experience in Dagster, Airflow, and FastAPI. This role offers an exciting opportunity to contribute to sustainability in renewable energy.

Formación

• Bachelor's degree in Computer Science, Engineering, or related fields.
• Experience with Dagster, Airflow, or Prefect.
• Fluent in English.

Responsabilidades

• Develop, maintain, and evolve web applications using Python.
• Create and integrate APIs using FastAPI.
• Write SQL queries for relational databases.

Conocimientos

Python

SQL

Git

Docker

FastAPI

AI/ML knowledge

Educación

Bachelor's degree in Computer Science or related fields

Herramientas

Dagster

Airflow

SQLAlchemy

Docker Compose

Kubernetes

Descripción del empleo

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

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.