Freelancer profile translated to English.

Description

Software Developer with experience in production environments, developing applications with Python, APIs, data processing, and external service integration. I solve complete problems: from API design to deployment, touching on data, automation, and frontend when necessary. I adapt quickly and use AI tools (Claude, ChatGPT...) integrated into my usual workflow.

Languages

Spanish
Native or bilingual
English
Conversational

Workplace preferences

Remote only

Primarily works remotely

Aubay
Python Developer · Data Integration
DIGITAL AND IT
April 2026 - Today (4 months)
Madrid, Spain
Development and maintenance of orchestration and automation services in Python for Banco Santander's internal infrastructure.

Consumption and integration of REST APIs, data processing and transformation with pandas.

Automation of operations on servers using PowerShell (file management, connection to corporate infrastructure)
Python Pandas external-api-integration data-cleaning-and-preprocessing Powershell
Solfium
Backend Developer
ENERGY AND UTILITIES
February 2026 - April 2026 (2 months)
Sevilla, Spain
Backend development at Solfium, a technology company in the solar energy sector with a digital platform for self-consumption solutions for residential, commercial, and industrial clients.
Development and maintenance of RESTful APIs with Python and Django.
Implementation and optimization of data models.
Integration with third-party APIs.
Collaboration with frontend and product teams in defining and designing endpoints.
Agile environment using Scrum methodology, with Azure DevOps and Git/GitHub.
Python Django external-api-integration API Django Rest Framework
Neolux Energy
Backend Developer
ENERGY AND UTILITIES
September 2024 - September 2025 (1 year)
Madrid, Spain
Development of internal solutions at Neolux Energy, a company in the energy sector specializing in solar self-consumption PPA projects.
Development of RESTful APIs with Python and Django; frontend support with React/Next.js.
Development of data analysis dashboards with Streamlit and Metabase.
Orchestration of automated tasks and asynchronous processing with Celery and Redis.
Development of an internal tool for analyzing solar self-consumption PPA projects.
Agile environment with Scrum methodology, Jira, and Git/GitHub.
Python Django Pandas Celery API