Marie Kim deGroot

Overview

I've spent 17 years on ML infrastructure - first at SAP, now at Westbrook Group. Led the migration of 79 services to CUDA. Moved 85% of ML platform traffic off a legacy monolith without a customer-facing incident. I mentor students through university programmes.

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Experience

1. Senior Engineering Manager

   Jun 2025 - Present
   Westbrook Group · 1 yr 4 mo · Full-time · Amsterdam, Netherlands
   • Moved 73% of ML platform traffic off a legacy monolith without a customer-facing incident.
   • Built the experimentation framework 20 product teams use to ship changes safely.
   • Reduced cloud spend on ML platform by 41% in two quarters.
2. Staff ML Engineer

   Dec 2022 - Jun 2025
   Celonis · 2 yr 6 mo · Full-time · Amsterdam, Netherlands
   • Built the trust & safety models now used in 10 product decisions a quarter.
   • Taught SQL to 143 non-analysts.
3. Engineering Manager

   Aug 2021 - Dec 2022
   BBVA · 1 yr 4 mo · Full-time · Amsterdam, Netherlands
   • Brought on-call pages for ML platform down from 13 a week to 4.
   • Reduced cloud spend on ML platform by 18% in two quarters.
4. Engineering Manager

   Jul 2018 - Jun 2021
   Volkswagen Group · 2 yr 11 mo · Full-time · Amsterdam, Netherlands
   • Shipped a rewrite that took build times from 30 minutes to under 6.
   • Wrote the CUDA service that now handles 15 million requests a day.
5. Engineering Manager

   Jun 2016 - Jul 2018
   SAP · 2 yr 1 mo · Full-time · Amsterdam, Netherlands
   • Moved 60% of ML platform traffic off a legacy monolith without a customer-facing incident.

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Education

1. ETH Zurich

   MSc, Electrical Engineering
   2011 - 2013
2. École Polytechnique

   Ingénieur, Electrical Engineering
   2004 - 2008