Freelancer profile translated to English.
Back to original languageAbout José Ángel
I am a versatile technical profile specialized in Backend and Data Engineering. Expert in Java, Python, MongoDB, and SQL, I design robust architectures in AWS that transform data into strategic value.
What do I bring to your project?
Data Engineering: Design of ETL/ELT processes, storage, and database management (SQL/NoSQL).
Artificial Intelligence: Implementation of Deep Learning models and Exploratory Data Analysis.
Business Vision: Definition of KPIs and metrics to ensure the impact of each development.
Soft Skills: Agile project management, teamwork, and rapid adaptation to new technologies.
My approach is based on operational efficiency and the creation of scalable solutions that solve complex problems.
Spanish
Native or bilingual
English
Conversational
Remote only
Primarily works remotely
Experience
- BabelMongo DBA & Data & Analytics BISeptember 2024 - Today (1 year and 9 months)Madrid, SpainIn the initial phases of the project, my main tasks were to analyze relational models, adapt them to the mongo structure, and perform tests to determine the correct configurations, creating specific indexes to improve their performance. On the other hand, I also participated in the creation of Python scripts to transform old data into the new mongo format.
- C#Senior Developer and Mongo DBASeptember 2019 - September 2024 (5 years)Madrid, SpainAnalysis and development of a web application using C#, creation of PL-SQL database scripts, management of OLAP cubes using the MDX and MAXL query languages.
- EverisSolutions AssistantMarch 2017 - September 2019 (2 years and 6 months)Madrid, SpainMy experience at everis consists of two phases, which are divided into two stages. In the first stage, I developed a delta module using Java for the business layer and PowerBuilder for the frontend. The second stage focused on maintenance, developing database scripts using PL-SQL and debugging code using Eclipse. In the second phase, I am developing with C# and T-SQL.
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Education
- Machine Learning applied using PythonCEINPRO2022Machine Learning aplicado usando Python
- Higher Technician, Cross-platform Application DevelopmentIES Domingo Pérez Minik2015Técnico Superior, Desarrollo de aplicaciones multiplataforma