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Valentina Fuentes

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Data Analyst at Onyx Systems · Experimentation · Python, SQL

Works at
Onyx Systems
Location
Guadalajara, Mexico · CST (UTC-6)
Experience
1+ years experience
Education
Insper
Languages
English, Spanish

Overview

Data Analyst at Onyx Systems, focused on experimentation. Wrote the metric definitions the leadership team reviews every week. Cyclist - trying to do a century this year.

Good reasons to reach out
  • Thoughtful intros to people in my field
Please don't message about
  • Offshore staffing offers
  • Data broker offers
  • Courses and coaching offers

Best reached early in the week

Skills
CUPEDA/B testingSQLPythoncausal inferenceBayesian statistics

Experience

  1. Data Analyst
    Oct 2025 - Present
    Onyx Systems · 1 yr 1 mo · Full-time · Guadalajara, Mexico
    • Replaced 85 hand-built dashboards with one metrics layer people trust.
    • Ran 241 experiments last year and made the readouts self-serve.
    • Taught SQL to 179 non-analysts.

Projects

Write-up: experimentation in practice
2026

A long-form guide to experimentation for people starting out.

References

No references yet.

Education

  1. Insper
    Economia, Statistics
    2021 - 2025

Details

Compensation expectations
What they are targeting for their next role.
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Direct contact details
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