Rafi Ahmad

S

Head of Data · Experimentation · CUPED

Drift Bio
Jakarta, Indonesia · WIB (UTC+7)
15+ years experience
University of Auckland
English, Bahasa Indonesia
Hiring
Messaging unavailable

Overview

Head of Data at Drift Bio, focused on experimentation. Ran 207 experiments last year and made the readouts self-serve. Taught SQL to 82 non-analysts. Most at home with A/B testing and Bayesian statistics. I write a small newsletter about experimentation.

Good reasons to reach out
  • Candidates for the role I'm hiring for
  • Working sessions on SQL
Please don't message about
  • Agency or outsourcing pitches
  • Survey or panel invitations
  • Generic networking requests

Replies on weekends

Skills
PythonSQLA/B testingcausal inferenceBayesian statisticsCUPED
HiringHiring for a role
closes in 3 months

Looking for a data scientist who has worked on causal inference at scale

Role
Data scientist
Level
Senior
Type
Full-time
Work mode
Remote within country
Compensation
$136k-$190k
Team
Experimentation, 6 people
Start
Within a month
Must have
Strong SQL and statistics Turns analysis into decisions Clear written communication
Process
Decision within 10 days

Comp S$126k-S$230k. We decide within ten days. Message me with one thing you shipped that you're proud of.

Jakarta, Indonesia · remote OKcupedsqlcausal inference
Open

Experience

  1. Head of Data
    Dec 2023 - Present
    Drift Bio · 2 yr 10 mo · Contract · Jakarta, Indonesia
    • Wrote the metric definitions the leadership team reviews every week.
    • Cut the time to a trustworthy experiment readout from 2 weeks to 5 days.
  2. Staff Data Scientist
    Jul 2020 - Dec 2023
    TSMC · 3 yr 5 mo · Full-time · Jakarta, Indonesia
    • Replaced 44 hand-built dashboards with one metrics layer people trust.
  3. Senior Data Scientist
    Sep 2016 - Jul 2020
    Accenture · 3 yr 10 mo · Full-time · Jakarta, Indonesia
    • Taught SQL to 137 non-analysts.
    • Cut the time to a trustworthy experiment readout from 2 weeks to 3 days.
  4. Data Scientist
    Dec 2013 - Sep 2016
    Telstra · 2 yr 9 mo · Full-time · Jakarta, Indonesia
    • Wrote the metric definitions the leadership team reviews every week.
  5. Data Scientist
    Oct 2011 - Dec 2013
    Coupang · 2 yr 2 mo · Full-time · Jakarta, Indonesia
    • Cut the time to a trustworthy experiment readout from 4 weeks to 4 days.
    • Taught SQL to 68 non-analysts.

Projects

Experimentation benchmark
2023

Reproducible benchmarks comparing Bayesian statistics and Python on real workloads.

References

No references yet.

Education

  1. University of Auckland
    BSc, Physics
    2007 - 2011

Details

Compensation expectations
What they are targeting for their next role.
Visible to connections
Direct contact details
Direct email and a scheduling link.
Visible to connections