My company is hiring for a 4-day workweek with an 8-hour workday. There are several fully remote openings. We have openings across various departments in the UK, US, Mexico, Brazil - https://www.signifyd.com/jobs/
Here is a post about our adoption of the 4-day workweek: https://www.signifyd.com/blog/signifyd-adopts-four-day-workw...
Disclaimer: I've worked here for a little over three years, and I believe this is one of the few companies with the best work/life balance I've EVER worked at.