Patrick Hayes


  • Over twelve years of experience with commercial web development and distributed systems
  • Experienced leader of teams of software and research engineers
  • Programming: Python, TypeScript, JavaScript, C/C++, Java, Scala, Ruby, PHP, Lisp, Haskell
  • Technologies: React, AWS, Postgres, MySQL, Android, iOS, Rails, CSS, Django, Mongo
  • Fields: Architecture, Machine Learning, Frontend, Optimization, Distributed Systems, Algorithms

Work Experience

Senior Staff Software Engineer, Airtable, 2023–present

  • Tech Lead for Airtable's Developer Infrastructure team
  • Responsible for driving down CI times and costs, saving thousands of eng-hours / month
  • Built tooling to accelerate local workflows for development, typechecking, and testing

Senior Staff Software Engineer, YouTube, 2021–2023

  • "Uber Tech Lead" for YouTube's Developer Experience team
  • Architect and technical mentor for frontend, backend, and infrastructure teams
  • Developed test infrastructure for thousands of engineers at YouTube

Cofounder & CTO, SigOpt, 2014–2021

  • Founder and architect at SigOpt, which was acquired by Intel in Oct 2020
  • Inventor of SigOpt's patented distributed optimization platform for machine learning models
  • Full-stack engineer with experience managing frontend, backend, and research staff
  • Y Combinator alumni, Winter 2015

Senior Software Engineer, Foursquare, 2012–2014

  • Developed passive awareness notifications to remind users of the best content nearby
  • Built the tips timeline, for discovering tips from people and tastes you follow
  • Created Foursquare expertise, for recognizing and rewarding city and neighborhood experts

Internships, 2008–2012

  • Bloomberg, Financial Software Developer, 2011
  • Wish, Research Engineer, 2011
  • Facebook, Software Engineer, 2010
  • Sybase, User Interface Developer, 2009
  • BlackBerry, Automation Tools Developer, 2008


Bachelor of Mathematics, University of Waterloo, Computer Science/Pure Mathematics Double Honours, 2012

  • Graduated with Distinction; Cumulative average: 90%; Major average: 94%
  • Dean's Honours List, University of Waterloo, 2007–2012
  • Excellent Academic Standing, University of Waterloo, 2007–2012
  • St. Jerome's University President's Scholarship, University of Waterloo, 2007–2009

Selected Open Source Contributions

Wiktionary Mobile App, Wikimedia Foundation

  • Core developer of the official Wiktionary mobile app for Android/iOS
  • Worked on a remote team with 3 undergraduate students from schools across Canada