Ismael Bovingdon Castillejo
Mechanical Engineer | Data Analyst | Master's Degree in Data Science
About me
Mechanical Engineer with experience in backend development in financial environments, technical management, and data analysis in industrial projects. Currently pursuing a Master's in Data Science and Big Data, oriented towards junior/entry-level roles as a Data Analyst or Data Engineer. Analytical, structured profile focused on delivering value through data-driven decision-making for business and industry.
Specialization: SQL, Python, Data Analysis, Storytelling, Business Intelligence
Technical Skills
Data & Analytics
SQL (complex queries, subqueries, Snowflake)
Python (pandas, numpy, Matplotlibt, scipy.stats, statsmodels)
Exploratory Data Analysis (EDA)
Data Visualization (Power BI, Tableau)
Fundamentals
Descriptive Statistics
Data Modeling
ETL Concepts
Relational Databases
Other Competencies
Git (version control)
Advanced Excel
Technical Documentation
Projects
- Netflix Streaming Data Analysis
- Global Life Expectancy Prediction
- Interactive Hostnames Dashboard
Work Experience
Health, Safety and Risk Prevention Manager – Engineering Projects
2024 - 2025 | ARPO Empresa Constructora S.A.
Analysis and control of operational and documentary data during project design and execution phases. Monitoring compliance indicators and preparing technical reports for decision-making. Coordination of multiple stakeholders and standardization of control and reporting processes.
Senior Health & Safety Prevention Technician
2023 - 2024 | Ibersys Seguridad y Salud S.L.
Management and analysis of technical information in industrial, energy, and construction projects. Development of structured reports and improvement proposals based on operational data. Work in complex and multidisciplinary environments (energy, industry, public sector).
Backend Developer - Mainframe (COBOL, DB2 SQL, JavaScript)
2018 - 2022 | BBVA Technology S.L.
Development and maintenance of batch and online financial applications in critical environments. Management and exploitation of DB2 SQL databases with millions of records. Incident analysis, data validation, and process improvement. Work under quality, security, and version control standards.
Education
Master's Degree in Data Science, Big Data & Business Analytics
Complutense University of Madrid
Master's Degree in Health & Safety Prevention
University of Francisco de Vitoria
Bachelor's Degree in Mechanical Industrial Engineering
University of Huelva