The Idea:

One evening in Seattle, Mitra Raman was standing at the stove making dinner, watching her young son play with the babysitter across the room. It should have felt like help. Instead it felt backwards. She was the parent. She wished they could swap: her on the floor playing, someone else handling the pans.

Raman knew how to spot a gap. A Carnegie Mellon computer science grad, she’d joined Amazon in 2014 to build Amazon Go and Amazon Books, then quit to start a meal kit company and got it into Y Combinator. Her co-founder, Karthika Shankar, had spent 12+ years running high-volume hiring at Amazon. Both were working mums.

The market they saw was split in two. Babysitters watched the kids. Cleaners scrubbed the house. Nobody owned the unglamorous middle: the dishwasher, the laundry mountain, the toy explosion, the tidy-up before the cleaner arrives. That middle layer is exactly what steals a parent’s evening.

They named the company after the robot housekeeper from The Jetsons.

This was the beginning of Rosie.

The Execution:

• July 2017: Still at Amazon, Raman launches The Buttermilk Co., selling $6 just-add-water Indian meals inspired by a bag of rasam ingredients her mum packed for her. By mid-2018 she’s quit Amazon and been accepted into Y Combinator.
• July 2025: Rosie opens a private beta to Seattle families. The pitch is still narrow: a concierge marketplace to fix the painful nanny search.
• January 2026: Rosie launches across Seattle, and the founders become its first Pros themselves: watching kids, folding laundry, wrapping gifts and organising garages in customers’ homes.
• Early 2026: Kitchen-table intake visits reshape the product. Every home runs differently, down to how the laundry gets folded, so Rosie builds an AI system called Jetson to remember each family’s routines and brief whichever Pro walks in. Would-be Pros are tested in person, folding a pile that includes Raman’s kids’ old onesies.
• Spring 2026: Rosie crosses 1,000+ sessions in its first three months. Memberships start at $280 for 8 hours, no contract, with families building a “bench” of favourite Pros.
• Within 8 months: Rosie hits seven-figure ARR, with growth coming entirely through word of mouth.
• October 20, 2026: Rosie announces $7M across two oversubscribed rounds led by Bling Capital and Reach Capital, with DoorDash co-founder Evan Moore among the angels. Pros have now delivered 17,000+ hours to 250+ member families.
• Today: Nearly 300 families, a full-time team of just four and 100+ Pros. Austin is next in early 2027, then San Francisco. The open question is labour: Pros are independent contractors, the same fight that helped sink Homejoy after it raised around $40M.

The lesson? Rosie’s founders didn’t start with an app. They started in other people’s living rooms, folding laundry while parents apologised for the mess. That’s how they learned every home runs differently, which became the whole job for their AI. You can’t automate work you’ve never done. The founders who fold the laundry write the best software.