Hendrik Buyle

Resume

Hendrik Buyle Member of Technical Staff

Large-scale systems, security platforms, cloud infrastructure, and technical leadership.

Bio

Member of Technical Staff at OpenAI: senior engineer focused on large-scale systems, cloud infrastructure, security platforms, and technical leadership.

Previously spent 11 years at Google, including as a Staff Software Engineer in roles across GCP AppHub, Google's Detection & Response Pipeline, Google Chat, and GSuite Security Center.

Experience

Nov 2025 - Present

OpenAI

Member of Technical Staff - San Francisco, CA

Jan 2025 - Nov 2025

Google

Staff Software Engineer (TL) - AppHub, Google Cloud Platform

  • Provided technical leadership for the GCP AppHub team, focusing on data ingestion strategies.
  • Led the development of ingestion systems powering a unified application-centric platform for Google's Cloud offerings.

Mar 2021 - Jan 2025

Staff Software Engineer (TL/M) - Detection & Response Pipeline, Core

  • Led the development of the enrichment component for Google's next-generation Detection & Response Pipeline, processing over 100M events per second.
  • Successfully deprecated the legacy detection system, enhancing operational efficiency for security teams across Google.
  • Collaborated with cross-functional teams to enrich security logs at 10M+ QPS from thousands of diverse data sources.

Sep 2019 - Mar 2021

Staff Software Engineer (TL/M) - Google Chat, Cloud

  • Led the "Google Chat Integrations" team during the pivotal consolidation of Google Chat with Gmail and Meet.
  • Designed and implemented multiple back-end integrations with Google Meet, Tasks, and Drive to enhance user experience.

Sep 2017 - Sep 2019

Senior Software Engineer (TL/M) - GSuite Security Center, Cloud

  • Led infrastructure engineering initiatives for GSuite Security Center, including a 10+ person team building the Action Pipeline for the Security Investigation Tool.
  • Designed the Security Rules project, empowering customers to automate security detections based on custom queries.

Feb 2014 - Sep 2017

Senior Software Engineer (TL) - Learning & Development, CorpEng

  • Built Celsus, a back-end system aggregating content from Google's Learning & Development systems and surfacing it into a unified front-end.
  • Became tech lead for the team after roughly two years.

Feb 2013 - Jan 2014

Mindspark Interactive Network, an IAC/InterActiveCorp company

Software Engineer

  • Architected and developed a Spring MVC REST API powering recipe-related smart answers for the ask.com search engine.
  • Joined the back-end development team for Price Finder, a tool that extracts product information from online retail websites and provides price comparison information.
  • Developed automation site modeling that added support for 3000+ online merchants in one day.
  • Worked on an automated distributed regression tool for detecting data extraction failures across thousands of supported websites.

May 2009 - Dec 2012

Smals, Brussels, Belgium

Java Developer

  • Modernized Java infrastructure for Belgian social security systems, automating data flows and payment calculations for millions of citizens.
  • Used GWT, GXT, Drools, Drools Planner, Spring, Spring Batch, Hibernate, and JSF across enterprise Java applications.
  • Translated complex and continuously changing government business processes into robust, scalable, maintainable systems.

Mar 2008 - Dec 2008

3RD SENSE, Sydney, Australia

Flash Game Developer

Education

2006 - 2007

Trinity College, Dublin

Master of Science (MSc), Multimedia Systems

2001 - 2006

Ghent University, Ghent, Belgium

MSc, Computer Science

Skills

Top Skills

  • Technical Leadership
  • People Management
  • Large Scale Systems

Systems

  • Data ingestion strategies
  • Large-scale back-end systems
  • Data processing pipelines
  • Detection & Response Platforms
  • Cloud infrastructure
  • Big data persistence systems

Programming

  • Java
  • Golang
  • SQL
  • Python
  • TypeScript
  • C++
  • PHP
  • C#