Rafaela Fonseca

Sample

Data Scientist at Dune HQ · Pricing

Dune HQ
Rio de Janeiro, Brazil · BRT (UTC-3)
2+ years experience
Universidad de Chile
English, Portuguese
Messaging unavailable

Overview

Based in Rio de Janeiro. I work on pricing at Dune HQ. Built the pricing models now used in 11 product decisions a quarter. Wrote the metric definitions the leadership team reviews every week. Previously at Microsoft. Most at home with econometrics and optimisation. Cyclist - trying to do a century this year.

Good reasons to reach out
  • Thoughtful intros to people in my field
  • Working sessions on simulation
  • Speaking or podcast invitations
Please don't message about
  • Offshore staffing offers
  • Data broker offers
Skills
econometricsSQLprice elasticityoptimisationsimulation

Experience

  1. Data Scientist
    Sep 2025 - Present
    Dune HQ · 1 yr 1 mo · Full-time · Rio de Janeiro, Brazil
    • Taught SQL to 92 non-analysts.
    • Wrote the metric definitions the leadership team reviews every week.
    • Replaced 88 hand-built dashboards with one metrics layer people trust.
  2. Data Analyst
    Oct 2024 - Sep 2025
    Microsoft · 11 mo · Full-time · Rio de Janeiro, Brazil
    • Wrote the metric definitions the leadership team reviews every week.
    • Taught SQL to 136 non-analysts.

Projects

Pricing benchmark
2026

Reproducible benchmarks comparing optimisation and simulation on real workloads.

References

No references yet.

Education

  1. Universidad de Chile
    Ingeniería, Mathematics
    2020 - 2024

Details

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