John Biesnecker



  • Software Engineering Manager, Facebook (Aug 2021 - Present). Supporting the Instagram Python Language and Runtime team. We build Cinder, a performance-oriented fork of the CPython runtime.
  • Software Engineer, Facebook (Nov 2015 - Jul 2021). Worked on high-impact projects, primarily focusing on integrity, privacy, efficiency, and large-scale systems design in C, C++, Haskell, Python, Javascript, and Hack. Worked with XFN partners across the company from legal and policy to capacity planning and infosec.
  • Operations Lead, Facebook (Sep 2013 - Oct 2015). Technical manager leading between 4 and 10 people in building systems and solutions for Community Operations, the team inside Facebook that supports and protects the 2+ billion people who use the platform.
  • Product Manager, Appconomy (Apr 2012 - Aug 2013). Led backend product development for an indoor location-based navigation and recommendation platform that was rolled out in test sites across Greater China. Worked with partners in China, Hong Kong, and the United States, across languages and timezones.
  • Product Manager, ChinesePod (Jul 2007 - Mar 2012). Product manager for one of the earliest commercial uses of podcasts. Developed innovative solutions for language learners to access content and connect with both online and offline teachers.


BA, Political Science, University of Central Florida, 2003


  • Human: English (native), Mandarin Chinese (professional fluency), Spanish (basic), French (basic)
  • Computer: C, C++, Hack/PHP, Python, Javascript, Haskell, Go, Rust