Matheus Rocha

Overview

I've spent 8 years on search and ranking - first at Meta, now at Hollow Works. Grew the search team from 6 to 39 engineers. Most at home with Scala and Lucene. I speak at conferences a couple of times a year.

Experience

1. Senior Software Engineer

   Apr 2026 - Present
   Hollow Works · 6 mo · Full-time · São Paulo, Brazil
   • Reduced cloud spend on search by 43% in two quarters.
   • Brought on-call pages for search down from 36 a week to 1.
   • Shipped 17 launches on the search team without a rollback.
2. Software Engineer

   Sep 2023 - Apr 2026
   Itaú Unibanco · 2 yr 7 mo · Full-time · São Paulo, Brazil
   • Brought on-call pages for search down from 32 a week to 2.
   • Shipped a rewrite that took build times from 16 minutes to under 6.
3. Software Engineer

   Nov 2020 - May 2023
   Embraer · 2 yr 6 mo · Full-time · São Paulo, Brazil
   • Shipped a rewrite that took build times from 27 minutes to under 6.
   • Wrote the Lucene service that now handles 38 million requests a day.
4. Software Engineer

   Oct 2018 - Nov 2020
   Meta · 2 yr 1 mo · Full-time · São Paulo, Brazil
   • Moved 81% of search traffic off a legacy monolith without a customer-facing incident.

No references yet.

Education

1. IESE

   MBA, Business Administration
   2019 - 2021
2. Universidad Nacional de Colombia

   Ingeniería, Electronics and Communication
   2013 - 2017