Data Science
Python, statistics, machine learning and predictive modeling for measurable business value.
Data Science. Analytics. Software.
We transform complex data into intelligent, practical solutions.
Data ScienceBusiness IntelligenceAutomationSoftware
Data systems built for useful decisions.
How we work
Data → Insight → Action
Ingestion
Collecting and connecting raw data
Cleaning
Preparing consistent, reliable datasets
Modeling
Applying statistics and machine learning
Visualization
Communicating clear, actionable results
What I do
Technical solutions for modern business challenges
MJE Data Consulting helps teams turn complexity into operational clarity through data, intelligence and software.
Business Intelligence
Power BI, DAX, Power Query and data modeling turned into practical decision-support solutions.
Data Engineering & Automation
ETL flows, APIs and operational automation to reduce manual work and improve reliability.
Software Development
Web applications, desktop tools and data-driven software built for real operational needs.
Computational Analytics
Statistical analysis, scientific data processing and reproducible analytical workflows.
Selected work
The kind of work that earns trust
A portfolio of applied analytics, business intelligence, automation and software work designed for real business outcomes.
Project
ErgoQ — CardioLab Analyzer
PythonPyQt6MatplotlibData Analysis
A desktop application developed for computational analysis and visualization of cardiopulmonary exercise testing data.
Project
Bitcoin Analytics
PythonPolarsPandasData Science
Computational analysis and exploratory analysis of Bitcoin and market datasets.
Project
Power BI Analytics
Power BIDAXPower QueryData Modeling
Interactive business intelligence and financial analytics solutions.
Project
MJE Data Consulting Website
Next.jsReactTypeScriptTailwind CSS
The official MJE Data Consulting website and technical portfolio, developed from scratch as a modern production web application.
Want to see more of my work? Explore all my repositories on GitHub.
View my GitHub portfolioTechnology stack
An ecosystem designed for data and software delivery
I work with tools that connect insight, software and operational decision-making across modern technical stacks.
Python
SQL
Power BI
DAX
Power Query
Next.js
React
TypeScript
Tailwind CSS
Machine Learning
Data Analytics
Automation
Git
GitHub
About
The person behind MJE Data Consulting
A data science and technology professional focused on building useful, practical solutions that turn data into action.
Matías Javier Endrek
CEO & Founder | Data Scientist
MJE Data Consulting is founded and operated by Matías, with a focus on translating complexity into clear, measurable and valuable technical outcomes for organizations and research-oriented projects.
PythonSQLPower BIStatisticsMachine LearningData AnalyticsAutomationSoftware Development
Contact
Have a project in mind?
Let's build something useful with your data.