Duc Ngo

Overview

I've spent 23 years on payments infrastructure - first at Lenovo, now at Vellum Commerce. Shipped a rewrite that took build times from 25 minutes to under 4. Designed the reconciliation system that matches 2 million transactions a day.

Slower in the last week of each quarter

Experience

1. Director of Engineering

   May 2022 - Present
   Vellum Commerce · 4 yr 5 mo · Full-time · Ho Chi Minh City, Vietnam
   • Shipped a rewrite that took build times from 17 minutes to under 4.
   • Brought on-call pages for payments platform down from 22 a week to 1.
2. Backend Engineer

   Aug 2020 - May 2022
   Samsung Electronics · 1 yr 9 mo · Full-time · Ho Chi Minh City, Vietnam
   • Designed the reconciliation system that matches 9 million transactions a day.
   • Wrote the idempotency service that now handles 60 million requests a day.
3. Senior Backend Engineer

   Mar 2017 - Aug 2020
   Shopee · 3 yr 5 mo · Full-time · Ho Chi Minh City, Vietnam
   • Designed the reconciliation system that matches 8 million transactions a day.
   • Grew the payments platform team from 4 to 35 engineers.
4. Principal Engineer

   Oct 2015 - Mar 2017
   Tokopedia · 1 yr 5 mo · Full-time · Ho Chi Minh City, Vietnam
   • Backed 30 founders at pre-seed and seed.
5. Staff Backend Engineer

   Jun 2013 - Oct 2015
   Lenovo · 2 yr 4 mo · Contract · Ho Chi Minh City, Vietnam
   • Cut p99 latency on the payments platform services from 529ms to 162ms.

Projects

No references yet.

Education

1. University of Indonesia

   BSc, Electrical Engineering
   1998 - 2002