Seungwoo Han

Overview

13 years in software engineering, the last 4 at Mill Bio, where I work on the data platform team. Brought on-call pages for data platform down from 25 a week to 2. Cut p99 latency on the data platform services from 867ms to 53ms. Most at home with Spark and CSS.

Experience

1. Staff Data Engineer

   May 2022 - Present
   Mill Bio · 4 yr 5 mo · Full-time · Seoul, South Korea
   • Replaced 95 hand-built dashboards with one metrics layer people trust.
   • Taught SQL to 44 non-analysts.
   • Reduced stock-outs by 35% in the first season.
2. Engineering Manager

   Mar 2020 - May 2022
   PropertyGuru · 2 yr 2 mo · Full-time · Seoul, South Korea
   • Mentored 13 engineers through their first promotion.
   • Shipped a rewrite that took build times from 29 minutes to under 2.
3. Data Engineer

   Aug 2018 - Mar 2020
   Coupang · 1 yr 7 mo · Full-time · Seoul, South Korea
   • Reduced stock-outs by 40% in the first season.
   • Cut forecast error from 19% to 10% across 324 SKUs.
4. Data Engineer

   Jan 2015 - Aug 2018
   SoftBank · 3 yr 7 mo · Full-time · Seoul, South Korea
   • Replaced 76 hand-built dashboards with one metrics layer people trust.
5. Data Engineer

   Oct 2013 - Jan 2015
   Tokopedia · 1 yr 3 mo · Full-time · Seoul, South Korea
   • Reduced stock-outs by 36% in the first season.

No references yet.

Education

1. HKUST

   BEng, Computer Science
   2008 - 2012