John Heffner
Software Engineer at Row Zero
Pittsburgh, Pennsylvania, United States
Summary
👤
Senior🎓
Top SchoolJohn Heffner is a seasoned software engineer with 25 years of experience designing and delivering high-performance distributed systems. Based in Pittsburgh, PA, he currently leads development at Row Zero, building the world's fastest spreadsheet. His career spans roles at Vertica, Aurora, NetApp, Conviva, Shoefitr, and the Pittsburgh Supercomputing Center, where he worked on kernel-level software, network protocols, and scalable architectures. He holds a B.S. in Computer Science from Carnegie Mellon University and is known for turning complex performance and design challenges into practical, robust solutions. He thrives on collaborating with smart, motivated teams and applying research insights to real-world, impactful software. His track record reflects deep specialization in performance, kernels, and distributed systems, with a passion for cutting-edge engineering.
25 years of coding experience
22 years of employment as a software developer
B.S., Computer Science, B.S., Computer Science at Carnegie Mellon University
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (35)
sdk10
cpp10
azure-sdk9
azure9
google-cloud7
moto7
orc6
low-level6
terraform5
java5
google-cloud-platform5
cloud-platform4
storage4
terraform-provider4
aws4
Programming languages (5)
Github contributions (5)
johnwheffner/azure-sdk-for-cpp
Jul 2021 - Jul 2022
This repository is for active development of the Azure SDK for C++. For consumers of the SDK we recommend visiting our versioned developer docs at https://azure.github.io/azure-sdk-for-cpp.
Contributions:10 pushes, 21 branches in 1 year
cppversionedsdkconsumersazure-sdk
jyundt/oval
Aug 2016 - Aug 2020
The Oval
Contributions:59 PRs, 78 pushes, 71 branches in 4 years 1 month
oval
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.