Open to opportunities

Diego Alejandro Tobon Perez

@datobonpe

Message

Chemical Engineer specialized in Data Science

Colombia

Message

What I'm looking for

Interested in Data Engineering, Data Science, and AI-driven analytics roles focused on ETL pipelines, machine learning, data quality, and process automation. Seeking collaborative environments where data supports strategic decision-making and innovation.

Chemical Engineer specialized in Data Science with experience in ETL pipeline development, exploratory data analysis, Machine Learning models, and analytical process automation. Ex-perienced in end-to-end data projects, from data collection and cleaning to predictive model implementation and LLM-based systems, achieving processing time reductions of up to 80% and significant improvements in data quality. Skilled in Python, SQL, BigQuery, and BI tools to build solutions that directly support decision-making.

Experience

Work history, roles, and key accomplishments

Current

Data Analyst \& Data Scientist

Current

Educamas, Casas ARA, Fundacion ventanas, Leon violeta investments

Jan 2025 - Mar 2025 (2 months)

Data Analyst & Data Scientist with experience in ETL pipelines, Machine Learning, LLMs, RAG architectures, and AI-driven automation. Skilled in processing large-scale datasets, building analytical dashboards, and developing scalable data solutions for financial, operational, and geospatial analysis.

Chemical Analyst

Corantioquia

Jan 2025 - Dec 2025 (11 months)

Managed and validated structured laboratory datasets to ensure analytical accuracy and consistency.
Designed traceability-focused data management systems for laboratory operations.
Applied statistical methodologies for quality assurance and analytical validation.
Detected anomalies and trends in environmental and water quality datasets.

SQL Power BI Scrum Excel VBA Programming Data Modeling Data Validation Data Visualization Data Verification Data Structuring Trend Analysis Database Design Statistical Analysis Statistics Statistical Modeling Technical Support Technical Reporting Quality Control

Data Analyst

Educamas

Feb 2024 - Mar 2025 (1 year 1 month)

Developed Python scripts for analysis automation and report generation.
Designed interactive dashboards to identify patterns and opportunities.
Implemented Machine Learning models to optimize project allocation processes.
Improved the structure and quality of internal databases.
Optimized assignment processes using predictive models.
Increased decision-making efficiency through data visualization.

Python 3 SQL Power BI Looker Studio Tableau Machine Learning Scrum ETL Processes Pipelines

Current

Data Analyst & Data Scientist

Current

Consorcio de Ingeniería Integral

Jan 2025 - Present (1 year 5 months)

Diseñé y construí pipelines ETL en Python y Google BigQuery para procesar y validar grandes volúmenes de datos. Implementé modelos de Machine Learning y sistemas con LLMs/RAG, automatizando procesos analíticos y reduciendo tiempos operativos hasta en 80%.

ETL ELT Python Google BigQuery Machine Learning SQL LLM RAG APIs