I went from factory worker to software engineer after 3D-printing a fix that impressed my boss. Here's my top tip for getting promoted.

Justin Flint started on the factory floor. He is now a Software Engineer II.

Courtesy of Justin Flint

• Justin Flint, 27, dropped out of college in 2019 and took a job at a factory.
• After inventing a fix while employed on the assembly line, he was promoted to software developer.
• Now, Flint works as a software engineer at the same factory. He shared his advice on getting promoted.

This as-told-to essay is based on a conversation with Justin Flint, 27, a software...