Matteo Santoro

Overview

Senior Engineering Manager at Stonegate Health, focused on search and ranking. Shipped 16 launches on the search team without a rollback. Mentored 4 engineers through their first promotion. Before that: SAP and Amazon.

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Experience

1. Senior Engineering Manager

   Oct 2025 - Present
   Stonegate Health · 1 yr · Full-time · Milan, Italy
   • Built the experimentation framework 33 product teams use to ship changes safely.
   • Moved 64% of search traffic off a legacy monolith without a customer-facing incident.
2. Software Engineer

   Oct 2023 - Oct 2025
   SAP · 2 yr · Full-time · Milan, Italy
   • Reduced cloud spend on search by 41% in two quarters.
3. Staff Software Engineer

   Jul 2021 - Oct 2023
   Amazon · 2 yr 3 mo · Contract · Milan, Italy
   • Built the experimentation framework 16 product teams use to ship changes safely.
4. Software Engineer

   Sep 2019 - Jul 2021
   Société Générale · 1 yr 10 mo · Contract · Milan, Italy
   • Wrote the Lucene service that now handles 56 million requests a day.
   • Cut p99 latency on the search services from 859ms to 108ms.
5. Engineering Manager

   Oct 2016 - Sep 2019
   Farfetch · 2 yr 11 mo · Full-time · Milan, Italy
   • Cut p99 latency on the search services from 522ms to 75ms.
   • Wrote the Lucene service that now handles 57 million requests a day.

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Education

1. EPFL

   MSc, Information Technology
   2012 - 2014
2. Humboldt University of Berlin

   BA, Information Technology
   2005 - 2008