Freelancer profile translated to English.
Back to original languageAbout Juan Francisco
Data Engineer with experience in Python and SQL, specializing in process automation, custom scripts, and working with databases and large volumes of data.
I develop practical solutions: data cleaning and transformation, automation of repetitive tasks, SQL query optimization, and creation of simple and reliable pipelines.
I work with clear objectives, fast deliveries, and clean, maintainable code. Ideal for small and medium-sized projects where a straightforward solution is needed.
Spanish
Native or bilingual
English
Conversational
Remote only
Primarily works remotely
Experience
- Banco SantanderData engineerJanuary 2025 - Today (1 year and 7 months)I work as a Data Engineer developing solutions in Python and SQL, automating data flows, ETL processes, and repetitive tasks on databases and Big Data systems. Performance optimization, data cleaning, and generation of reliable and scalable processes.
- NavantiaEngineer supporting the lifecycle.MECHANICAL ENGINEERINGJanuary 2024 - January 2025 (1 year)Cartagena, SpainExperience in an industrial environment performing documentary and technical support tasks, along with developing Python mini-projects aimed at automating internal tasks and improving workflows. Participation in coordination and communication with large external companies within technical projects.
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Education
- Electronic Industrial EngineeringUJA2021
- Master of Science in DataUGR2023Ciencia de datos, machine learning, deep learning. Ingeniería de datos.