I've worked for Microsoft, Facebook, Twitter, and Amazon. Here are 3 mistakes I made early in my career.

Courtesy of Deel

This as-told-to essay is based on a transcribed conversation with Aaron Goldsmid, a 44-year-old from San Francisco about mistakes he made early in his career. Business Insider verified his previous employment at Microsoft, Facebook, Twitter, and Amazon with documentation. The following has been edited for length and clarity.