Gerard Mathai

Overview

I work on distributed databases at HCLTech in Chennai. Led the migration of 26 services to performance engineering. Brought on-call pages for storage down from 22 a week to 1. Before that: BrowserStack and Uber. Most at home with consensus and C++.

Replies between meetings, usually same day

Experience

1. Staff Software Engineer

   Dec 2023 - Present
   HCLTech · 2 yr 10 mo · Full-time · Chennai, India
   • Reduced cloud spend on storage by 25% in two quarters.
   • Wrote the consensus service that now handles 61 million requests a day.
   • Shipped a rewrite that took build times from 34 minutes to under 5.
2. Software Engineer

   Mar 2022 - Dec 2023
   BrowserStack · 1 yr 9 mo · Full-time · Chennai, India
   • Wrote the RocksDB service that now handles 90 million requests a day.
   • Cut p99 latency on the storage services from 585ms to 151ms.
3. Software Engineer

   Feb 2019 - Mar 2022
   Uber · 3 yr 1 mo · Full-time · Chennai, India
   • Wrote the C++ service that now handles 17 million requests a day.
4. Senior Software Engineer

   Jan 2017 - Feb 2019
   EY · 2 yr 1 mo · Full-time · Chennai, India
   • Moved 78% of storage traffic off a legacy monolith without a customer-facing incident.
   • Grew the storage team from 4 to 35 engineers.
5. Software Engineer

   Jul 2014 - Jan 2017
   Nvidia · 2 yr 6 mo · Full-time · Chennai, India
   • Moved 93% of storage traffic off a legacy monolith without a customer-facing incident.
   • Cut p99 latency on the storage services from 412ms to 168ms.

Projects

No references yet.

Education

1. IIT Bombay

   B.Tech, Electrical Engineering
   2009 - 2013