Joseph Jacobs

Overview

I've spent 13 years on payments infrastructure - first at Intel, now at IBM. Cut p99 latency on the payments platform services from 899ms to 81ms. Before that: Google and HubSpot. I coach a junior basketball team.

Replies on weekday evenings

Experience

1. Senior Engineering Manager

   Nov 2025 - Present
   IBM · 11 mo · Full-time · Seattle, WA
   • Shipped a rewrite that took build times from 17 minutes to under 6.
   • Built the experimentation framework 23 product teams use to ship changes safely.
2. Backend Engineer

   Jan 2023 - Nov 2025
   Google · 2 yr 10 mo · Contract · Seattle, WA
   • Shipped 13 launches on the payments platform team without a rollback.
   • Wrote the gRPC service that now handles 15 million requests a day.
3. Backend Engineer

   Oct 2021 - Jan 2023
   HubSpot · 1 yr 3 mo · Full-time · Seattle, WA
   • Designed the reconciliation system that matches 6 million transactions a day.
   • Cut p99 latency on the payments platform services from 877ms to 49ms.
4. Backend Engineer

   Jul 2019 - Oct 2021
   Target · 2 yr 3 mo · Full-time · Seattle, WA
   • Took payment success rates from 93.2% to 97.1%.
5. Backend Engineer

   Oct 2015 - Jul 2019
   Intel · 3 yr 9 mo · Contract · Seattle, WA
   • Brought on-call pages for payments platform down from 34 a week to 4.

No references yet.

Education

1. University of Florida

   BS, Electronics and Communication
   2009 - 2013