John Russell
Director Of Engineering at HubSpot
Acton, Massachusetts, United States
Summary
👤
Senior🎓
Top SchoolJohn Russell is a seasoned engineering leader with 13 years of experience building high-throughput systems, developer tools, and automation platforms across companies like HubSpot, Tapjoy, and Cisco. As Director of Engineering, he combines deep JVM expertise (Ruby, Java, Groovy) and a practical focus on concurrency, performance, and test automation to deliver reliable production systems and internal developer tooling. He has repeatedly led cross-functional teams responsible for video ad delivery, reporting APIs, job systems, and CI/test infrastructures that scale to large user and data volumes. John is also a talent-focused manager who actively recruits senior engineers and leaders, reflecting a hands-on approach to growing high-performing teams. His background in both enterprise architecture and tooling for mobile/device testing gives him a rare blend of product-facing and developer-facing engineering experience. Based in Acton, MA, he pairs technical breadth with a knack for pragmatic open-source and automation solutions that reduce operational friction.
13 years of coding experience
22 years of employment as a software developer
Masters Information Technology, Masters Information Technology at Harvard UniversityBachelor of Science (BS) Cell/Cellular and Molecular Biology, Bachelor of Science (BS) Cell/Cellular and Molecular Biology at University of ConnecticutTrumbull High School
Github Skills (29)
jenkins-plugin10
aws9
agent9
jenkins9
qt7
cpp7
musicxml6
music6
music-notation6
keyboard6
notation6
macos5
ruby5
python5
region4
Programming languages (5)
Github contributions (5)
jjrussell/emacs.d
Oct 2015 - Jun 2026
Contributions:23 pushes, 1 branch in 10 years 9 months
jjrussell/dotfiles
Nov 2025 - Jun 2026
Contributions:13 pushes in 7 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.