DOZO.TECH | Systems That Breathe

AI Architecture to scale without complexityI transform manual tasks into solutions that operate on their own

About Me

Data Scientist

Data + AI = Extraordinary Results

I'm Nicolás, a Data Scientist focused on operational efficiency. I combine data analysis, automation, and AI with the practical perspective of someone who managed real businesses in Argentina, Mexico, and Germany.

My story didn't start in a data lab, but inside kitchens, solving concrete problems with immediate impact. Today I design AI solutions that automate flows, accelerate decisions, and free up time for what really matters.

I changed country, industry, and language. Starting from scratch doesn't scare me, it focuses me.
Data Scientist focused on operational efficiency
Nicolás Cardozo trabajando
+1200 hours
Practical training in Data Science, Python, SQL, BI, APIs and automation
+6 years
Operational experience in premium hospitality, process optimization
+15 projects
Automated flows, dashboards, API integrations and AI agents
+30% improvement
Efficiency achieved through standardization and automation
HOW I WORK

Digital Mise en Place

Structure before scale. Order before automation.

Great data systems don't start with code—they start with clarity. My approach applies principles of operational thinking and data strategy to turn scattered processes into reliable, scalable solutions.

Philosophy

Every business process is a system. And every system, before being automated, must first be:

Understood → What's happening and why?

Mapped → Where does value flow—and where does it leak?

Prepared → What needs to be standardized or cleaned?

Rebuilt → How can it be made reproducible, adaptive and low-friction?

Like a kitchen preparing for service, I focus on mise en place: organizing inputs, designing clean flows, and building systems that run themselves—with minimal intervention.

🔧 My Role in That System

I don't just automate—I architect:

Detect bottlenecks through data audits

Model key flows using graph logic and modular thinking

Build scalable tools: from backend scripts to workflow engines

Ensure traceability, maintainability, and business alignment

I don't deliver dashboards—I deliver decisions made easier.

I don't automate for the sake of it—I create clarity at scale.

Where I generate the most impact with AI and automation

These are the areas where I apply my capabilities to solve real bottlenecks, reduce operational costs and accelerate decisions with data.

Operational Efficiency

I design solutions that standardize processes, reduce operational variability and improve coordination between teams using reproducible and automated flows.

Reduction of downtime and better resource allocation
Tech Stack I usually work with
PythonPostgreSQLFastAPIDocker

Analysis and Decision Making

I transform raw data into actionable insights. I build analytical models, pipelines and dashboards so decisions are made with precision and in real time.

Evidence-based decisions, not assumptions
Tech Stack I usually work with
PandasNumPyScikit-learnTensorFlow

Strategic Automation

I automate internal flows (APIs, ETL, reporting, event triggers) with low-code solutions and pure code, prioritizing maintainability and performance.

Less operational burden and greater focus on high-value tasks
Tech Stack I usually work with
LangChainOpenAI APIPineconen8n

Projects that Speak for Themselves

Success cases that demonstrate the real impact of AI solutions in business

Restaurant Revenue Prediction System

Machine Learning

Regression model that predicts restaurant revenue based on demographic, real estate and commercial data. TFI dataset with 137 restaurants in training and 100,000 in test.

Predictive system that helps restaurants optimize locations, adjust prices and plan investments based on historical revenue patterns and environmental factors.
Technologies used
PythonPandasScikit-learnXGBoostPostgreSQL

Chatbot for Reservation Management

Automation

Hybrid system that combines local intent detection with OpenAI to manage reservations 24/7. Automatically detects queries about menu, hours, availability and schedules appointments without human intervention.

Reduces OpenAI tokens by up to 70%, responds instantly to basic greetings and forces conversation closure in maximum 5 turns. Automatically captures leads and schedules appointments with direct link.
Technologies used
LangChainOpenAI APIFastAPIReactPostgreSQL
RESEARCH & PROJECTS

Research Portfolio

Machine Learning, Computer Vision and advanced data analysis projects

🧠 Advanced ML Project

Professional Machine Learning project with advanced data visualization

🌟 Main Features

Implemented Algorithms

Classification (Random Forest, SVM, XGBoost), Regression (Ridge, Lasso, Elastic Net), Clustering (K-Means, DBSCAN), Ensemble Methods

Datasets Used

Iris, Wine, Breast Cancer, Titanic, Heart Disease, California Housing, synthetic

Advanced Techniques

Feature Engineering, Hyperparameter Optimization, Cross-Validation, Interpretability (SHAP, Feature Importance)

Results Obtained

Average accuracy 96.2%, reproducibility 100%, test coverage 85%

🎯 Real Use Cases

Practical applications where this project can generate real value

🏥 Medical Diagnosis (Breast Cancer)

🍷 Wine Classification

🚢 Survival Prediction (Titanic)

❤️ Heart Disease Detection

🏠 Real Estate Price Prediction

📊 Interactive Visualizations Gallery

Algorithm Comparison
Feature Importance
ROC Curve
Confusion Matrix

🛠️ Tech Stack

PythonScikit-learnPandasPlotlyJupyterXGBoostLightGBMTensorFlow
📞 Project Links
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Tech Stack

Technologies learned through certified courses

9
Technologies
3
Categories
3
Careers
68%
Average

Data Science & Python

Career: Data Scientist with Python

Python

Intermediate
Level85%
Fundamentals + Advanced
Data Science

Completed Courses:

Python Fundamentals
Python: Comprehensions, Functions and Error Handling
Python: PIP and Virtual Environments

Pandas & NumPy

Intermediate
Level85%
Data manipulation
Data Science

Completed Courses:

Data Manipulation and Transformation with Pandas and NumPy

Matplotlib & Seaborn

Intermediate
Level85%
Visualization
Data Science

Completed Courses:

Data Visualization with Matplotlib and Seaborn

Machine Learning & EDA

Beginner+
Level60%
Exploratory Analysis and Statistical Modeling
Data Science

Completed Courses:

Introduction to Machine Learning
Exploratory Data Analysis
Mathematics for Data Science: Descriptive Statistics
Missing Data Handling: Detection and Exploration

Data Analysis & BI

Career: Foundations for Analytics and Data Science

SQL

Beginner+
Level60%
PostgreSQL applied
Data Analysis

Completed Courses:

Practical SQL Course
PostgreSQL Applied to Data Science

Business Intelligence

Intermediate
Level80%
BI principles
Data Analysis

Completed Courses:

Business Intelligence: Utility and Opportunity Areas
Data Visualization Principles for Business Intelligence (2021)

Automation & AI

Career: Work Environment for Data & AI

N8N

Beginner+
Level50%
RPA and Hyperautomation
Automation

Completed Courses:

N8N Course

AI Agents

Beginner+
Level50%
AI Agents
AI

Completed Courses:

AI Agents Course

Bubble (No-code)

Beginner+
Level60%
No-code Apps
Automation

Completed Courses:

No-code Apps with Bubble: Database and Basic Structure

🚀 Evolution Roadmap

Fase 1

Foundations

Consolidation of knowledge in Python, SQL and BI, essential for any Data Scientist.

Completed
2022-2025
Fase 2

AI & Automation Specialization

Application of Data Science skills to build tangible business solutions, focused on automation and artificial intelligence, using tools such as AI agents, n8n and generative models.

In Progress
2025
Fase 3

Next Level: AI Agents Architect

Transition from Data Scientist to expert in AI agent architecture. Deepen knowledge in building and orchestrating AI agents (RAG, MCP), master vector databases, develop multi-agent systems and build generative AI solutions applied to specific business niches.

Planned
2026

Learnings and Automation

Actionable ideas, no empty promises. Real stories of automation, efficiency and technical decisions that actually worked.

Recibí insights semanales sobre automatización y eficiencia.

Let's talk about your next big step.

Transform your ideas into tangible results.

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