On her first day at Uber after training, site reliability engineer Susan Fowler Rigetti said, her new manager told her about his open marriage and tried to get her to have sex with him.

It was the first instance of what she described in a blog post on Sunday as "one very, very strange year at Uber." Now an engineer with payment startup Stripe, Fowler reflected in the post on what she described as a pattern of sexism and organizational chaos that prompted her and other women to leave.

"On my last day at Uber, I calculated the percentage of women who were still in the org," she wrote. "Out of over 150 engineers in the SRE [site reliability engineer] teams, only 3% were women." When she joined this Uber team, she said, the figure had been over 25%.