Y Combinator · S09
Y Combinator Summer 2009 startups
RemJobs lists 7 startups from Y Combinator's Summer 2009 batch. 7 of the 7 startups are based in the United States, and 6 in San Francisco. Between them they are in 1 country and 2 cities. 2 are hiring remotely.
Updated
- startups
- 7
- country
- 1
- cities
- 2
- hiring remotely
- 2
Summer 2009 startups
- StripeYC S09Stripe is a financial services platform that helps all types of businesses accept payments, build flexible billing models and manage money movement. San Francisco, United States Remote: North America, Canada +4
- MixpanelYC S09Mixpanel is the product intelligence platform for the AI era, combining analytics, session replay, experiments, feature flags, and AI-powered insights. San Francisco, United States Remote: Mexico, United States
- LingtYC S09Tool for schools to set speaking tasks and assessments for students. San Francisco, United States
- ListiaYC S09Marketplace where people give away unwanted items and get free stuff through auctions. San Francisco, United States
- OlarkYC S09AI chat agent for marketers that answers website visitor questions, qualifies leads and hands off to humans when needed. San Francisco, United States
- Directed EdgeYC S09 San Francisco, United States
Members only
1 more S09 startups
Unlock the full list, every company on the map, and their founders, emails, LinkedIn and careers pages.
Where they are
Hiring remotely
2 startups from S09 had at least one open remote role when their job boards were last read, 137 remote roles between them.
Other batches
Questions
How many startups are in Y Combinator's Summer 2009 batch?
RemJobs lists 7 startups from the Summer 2009 batch (S09) as of Oct 2, 2026, including Stripe, Mixpanel, Lingt, Listia and Olark. The count covers the companies we have found, which may be fewer than the batch itself.
Where are Y Combinator Summer 2009 startups based?
7 of the 7 startups are based in the United States, and 6 in San Francisco. Between them they are in 1 country and 2 cities.
Which S09 startups are hiring remotely?
2 startups had open remote roles when their job boards were last read, 137 remote roles between them, including Stripe and Mixpanel.
Can I contact the founders of S09 startups?
Each company has a free public profile. 1 of them has founder names on file, and members see the founders, their emails where found, LinkedIn and careers pages, and every company on the map.
Companies come from public sources: their own websites, public startup directories and accelerator portfolios, and their public job boards (Greenhouse, Lever, Ashby), which were last read through Oct 2, 2026. A company that is missing or out of date can write to us from the footer.