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Andrés G.

Andrés G.

AI & Machine Learning Engineer · Junior

Mexico · Rate on request

Professional Overview

I'm a Data Science and Mathematics engineer from Tecnológico de Monterrey with hands-on experience building AI applications using Python, LLMs, RAG pipelines, embeddings, and data analytics. I've worked on applied AI projects with Oracle and industry partners, developing machine learning and retrieval-based solutions.

Experience

Company
Huawei & Tecnológico de Monterrey
Mar 2026 – Jun 2026
Role title
Data Science Project Contributor

AI Expertise

Data Science & Analytics AI & Machine Learning Engineers

Skills

Python Pandas SQL Statistics NumPy ETL Scikit-Learn

Employment Type

Part-time

Description of Responsibilities

  • Cleaned and integrated national-scale infrastructure datasets
  • Built feature selection pipeline using statistical methods
  • Performed correlation and redundancy analysis with graph models
  • Developed data preparation workflows for analytics dashboard
  • Collaborated on stakeholder-focused data storytelling

Key Achievements / KPIs

  • Integrated datasets covering all 32 Mexican states
  • Created automated variable selection workflow
  • Designed efficiency metrics for infrastructure analysis
  • Supported development of interactive analytics dashboard
Company
Oracle & Tecnológico de Monterrey
Aug 2025 – Dec 2025
Role title
Applied AI Project Contributor

AI Expertise

AI & Machine Learning Engineers NLP & Prompt Engineering

Skills

Python OpenAI API RAG Prompt Engineering Pandas SQL LangChain Statistics

Employment Type

Part-time

Description of Responsibilities

  • Built RAG pipelines for AI-powered career recommendation system
  • Generated and managed embeddings for 176 academic programs
  • Implemented vector similarity search using cosine similarity
  • Designed hybrid recommendation engine with weighted scoring

Key Achievements / KPIs

  • Achieved 85.7% top-1 recommendation accuracy
  • Processed 176 careers and 185 universities in knowledge base
  • Developed real-time recommendation workflow using embeddings
  • Contributed to Oracle-sponsored applied AI initiative
Company
Airbnb Pricing Prediction Project
Aug 2025 – Present
Role title
Machine Learning Engineer

AI Expertise

Data Science & Analytics AI & Machine Learning Engineers

Skills

Python Pandas Scikit-Learn NumPy Statistics ETL SQL

Employment Type

Part-time

Description of Responsibilities

  • Built end-to-end ML pipeline for Airbnb price prediction
  • Performed data cleaning and feature engineering on real data
  • Developed baseline and ensemble regression models
  • Tuned Random Forest models using GridSearchCV
  • Evaluated model performance and feature importance

Key Achievements / KPIs

  • Improved R² from 0.43 to 0.65
  • Engineered features that increased predictive performance
  • Identified key price drivers across listings
  • Built complete pipeline from raw data to evaluation

Education

School
Tecnológico de Monterrey
Aug 2022 – Jun 2026
Degree / Program
B.S. in Data Science and Mathematics Engineering

Field of Study: Data Science and Mathematics

Areas of Expertise

AI & Machine Learning Engineers

Design, train, and ship production ML models — from data pipelines to model inference at scale. Covers supervised learning, neural networks, LLM integration, and model optimisation.

NLP & Prompt Engineering

Build natural language processing systems, fine-tune large language models, and craft reliable production prompts for AI-powered products.

Data Science & Analytics

Extract business insights from raw data using statistical modelling, predictive analytics, A/B testing, and interactive dashboards.

Automation & AI Workflows

Build intelligent automation pipelines, integrate AI APIs into existing tools, and replace manual workflows with agentic AI systems.

Current location

Mexico

Time Zone

Mexico City UTC-6

Primary Work Language

English

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