If your WFH desk setup doesn't cost more than a used Honda Civic, you aren't serious about your pipeline.
My ergonomic chair is built from the salvaged suspension of a 2019 Tesla Model S.
My primary monitor is a converted IMAX screen I bought from a bankrupt theater in Oakland.
When I drag a cell in Google Sheets, I physically have to rotate my entire torso. I burn 400 active calories a day just searching for the Slack icon.
Stop complaining about back pain and optimize your environment.