Facundo Diaz

Overview

Based in Medellín. I work on ML infrastructure at América Móvil. Wrote the model serving service that now handles 32 million requests a day. Most at home with CUDA and Ray.

Replies on weekends

Experience

1. Senior ML Engineer

   Oct 2025 - Present
   América Móvil · 1 yr · Full-time · Medellín, Colombia
   • Replaced 82 hand-built dashboards with one metrics layer people trust.
   • Cut forecast error from 25% to 12% across 3892 SKUs.
   • Wrote the metric definitions the leadership team reviews every week.
2. ML Engineer

   Mar 2024 - Oct 2025
   FEMSA · 1 yr 7 mo · Full-time · Medellín, Colombia
   • Taught SQL to 52 non-analysts.
3. ML Engineer

   Jul 2021 - Mar 2024
   Meta · 2 yr 8 mo · Full-time · Medellín, Colombia
   • Cut forecast error from 34% to 8% across 3372 SKUs.
   • Replaced 107 hand-built dashboards with one metrics layer people trust.
4. ML Engineer

   Oct 2020 - Jul 2021
   iFood · 9 mo · Full-time · Medellín, Colombia
   • Reduced stock-outs by 22% in the first season.
   • Cut forecast error from 28% to 7% across 2933 SKUs.

No references yet.

Education

1. Unicamp

   Bacharelado, Electronics and Communication
   2015 - 2019