An On X.

A senior software engineer is an amorphous title. Companies will often use their own term, or invent further terms above or below “senior”. The definition or requirements will be different for each person you ask.

I’ve sought out common traits of “senior” roles and collected them here to help guide me as I try to get good. I expect a majority of these traits are common for all senior roles — software engineer or otherwise.

Incorporate Sources; expand

Just accepted my first team lead position. Any sage advice? (a)

How do you shine when you working amongst really smart people? (a)


“16x Engineer.” n.d. 16x Engineer. Accessed November 19, 2023.
Allspaw, John. n.d. “On Being A Senior Engineer.” Kitchen Soap. Accessed February 21, 2022.
littleblah. 2019. “A Senior Engineer’s CheckList.”