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Company · Venture capital firms

Y Combinator

As of 30 October 2026, Y Combinator has 17 open roles (4 new in 30 days), its administration & office team is hiring most, and its postings name Dropbox, YouTube and React as the tools the team works in.

As of 30 October 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

, United States51-200 employees10M-50M revenue, est.B2Bycombinator.com ↗LinkedIn ↗
Headquarters
, , United States
Employees
51-200 employees (linkedin)
Sells to
entrepreneurs and founders, early-stage startups
Certifications on site
Site languages
EN
Career system
Ycombinator
17open roles · 4 new in 30 days
14tools named in postings
United Stateshiring locations
0change signals read in postings
02What they do, whom they sell to, who else does it

Y Combinator in one screen

Read from ycombinator.com: what the company does, the customers it names, the buyers we can actually see, and the companies that sell the same thing.

What Y Combinator does

Y Combinator is a startup accelerator that funds and incubates early-stage companies, turning builders into founders. It offers the YC accelerator, YC Research, a startup and founder directory, launches, a startup library, co-founder matching, and founder verification. Its portfolio includes companies such as Airbnb, Stripe, OpenAI, and Coinbase.

YC acceleratorYC Researchstartup directoryfounder directorylaunchesstartup libraryco-founder matchingverify founders
Whom it sells to

Named on the site: entrepreneurs and founders, early-stage startups.

Who else sells this

Nearest companies by what they do, sell and whom they serve, 51+ employees. 588 scored.

Founders FactoryUnited Kingdom · 51-200 employeesIdeaRankerUnited States · 51-200 employeesFasterCapitalUnited States · 201-500 employeesStartupbootcampUnited States · 201-500 employeesStartupIMUnited States · 51-200 employeesBest of StartupsUnited States · 51-200 employees
03Tech stack, with the evidence

What Y Combinator says it runs

Tools named in the company's own postings as the team's systems, with the sentence that says so. What the website and DNS show is listed separately.

DropboxArts media and entertainment · high confidence · 2 postings
• Download and organize final videos and other assets in Dropbox.
Associate Video Producer · first seen 2026-10-14
YouTubeArts media and entertainment · high confidence · 2 postings
• Upload and publish episodes across YouTube, podcast platforms, and other channels.
Associate Video Producer · first seen 2026-10-14
ReactEngineering (non-software) · high confidence · 11 postings
e - LLMs, prompt engineering, or agent-based systems - Open-source maintainership and community engagement - TypeScript, Postgres/pgvector, Rails, React (the stack our current products run on) - Retrieval, search, or knowledge-graph systems
Product Engineer, New Products · first seen 2020-12-23
PostgreSQLEngineering (non-software) · high confidence · 9 postings
While our stack is Rails, React and Postgres, mostly we’re just a bunch of pragmatic builders who are excited about shipping and having impact.
Product Engineer, Post Batch · first seen 2020-12-23
Ruby on RailsEngineering (non-software) · high confidence · 9 postings
While our stack is Rails, React and Postgres, mostly we’re just a bunch of pragmatic builders who are excited about shipping and having impact.
Product Engineer, Post Batch · first seen 2020-12-23
TypeScriptSoftware engineering · high confidence · 5 postings
• TypeScript, Postgres/pgvector, Rails, React (the stack our current products run on)
Product Engineer, New Products · first seen 2023-06-01
Slackhigh confidence · 3 postings
• Integrate with external systems (Google Calendar, Slack, email, data pipelines) to coordinate internal teams, external founders and more
Product Engineer, Applications Operations · first seen 2026-01-08
GitHubEngineering (non-software) · high confidence · 2 postings
Some ship in the open to hundreds of thousands of developers (gstack, gbrain — already north of 130,000 GitHub stars between them).
Product Engineer, New Products · first seen 2026-06-23
Google Calendarhigh confidence · 2 postings
• Integrate with external systems (Google Calendar, Slack, email, data pipelines) to coordinate internal teams, external founders and more
Product Engineer, Applications Operations · first seen 2026-03-27
pgvectorEngineering (non-software) · high confidence · 2 postings
• TypeScript, Postgres/pgvector, Rails, React (the stack our current products run on)
Product Engineer, New Products · first seen 2026-06-23
Figmamedium confidence · 3 postings
• Ability to move fluidly between design tools (Figma, etc.) and frontend code.
Software Product Design Engineer · first seen 2025-11-25
On the website or in DNS

Vendors whose code loads on ycombinator.com or whose records sit in its DNS. Page plumbing (libraries, fonts, consent banners) is left out.

Anthropicseen on ycombinator.comappleseen on ycombinator.com
AWS Route 53seen on ycombinator.com
campaign_monitorseen on ycombinator.com
Cloudflareseen on ycombinator.comDropboxseen on ycombinator.com
Google Workspaceseen on ycombinator.com
Mailchimpseen on ycombinator.comMailgunseen on ycombinator.com
Microsoft 365seen on ycombinator.com
microsoft_intuneseen on ycombinator.com
OpenAIseen on ycombinator.comRipplingseen on ycombinator.comSendGridseen on ycombinator.com
04Hiring

17 open roles, 9 opened in 90 days

Read hourly from the company's career system. Open roles and new roles in the last 30 days, by team. Companies hiring administration & office in United States →

05Signals

What is changing, read from the postings

Intents are events the employer states about itself, each with the sentence and the posting it came from.

No change signals read in the current postings.

Decision makers at Y Combinator, with verified e-mails, and every change the moment it is posted.

Sales, marketing and IT leaders by function. Add Y Combinator to a monitor and get a webhook when a role opens, a tool appears or a signal is read.

Start free, no card. The first 20 are above; e-mails are verified at the mail server when you open them.

06Lookalikes

Companies like Y Combinator

Nearest by what they do, what they sell and whom they sell to, 51+ employees. 6 of 588 scored.

Founders FactoryVenture capital firms · United Kingdom51-200 employees
IdeaRankerAI search visibility tools · United States51-200 employees
FasterCapitalVenture capital firms · United States201-500 employees
StartupbootcampEntrepreneurship training schools · United States201-500 employees
StartupIMB2B data & contact providers · United States51-200 employees
Best of StartupsOther user content aggregator platforms · United States51-200 employees
07Profile

From the company's own website

Legal nameY Combinator
IndustryBusiness & finance services · Venture capital firms
OfferingsYC accelerator · YC Research · startup directory · founder directory · launches · startup library · co-founder matching · verify founders
Target customersentrepreneurs and founders · early-stage startups
Geographic scopeunknown · also United Kingdom
Reviews found
Public contact points5 role addresses · 0 phone numbers
Pages readpricing, team, home, imprint, contact, careers, leadership
Datescrawled 2026-08-07 · profiled 2026-08-16 · hiring built 2026-10-27
Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

Y Combinator (, United States, 51-200 employees) has 17 open roles, 4 new in 30 days, and names 14 tools in its postings. (Breaknorm, 30 October 2026, https://breaknorm.co/company/ycombinator.com)
How we know

Read from the source, not self-reported

Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →

  • ProfileBuilt from ycombinator.com: summary, offerings, customers, certifications and contact points are extracted from its pages, with a confidence score per field.
  • HiringRead hourly from the company's Ycombinator career site; reposts collapse into one record.
  • Tech stackTools the employer's own text names as the team's systems, with the quote; website scripts counted separately.
  • HeadcountLinkedIn where known, otherwise estimated from the site.
FAQ

Y Combinator: questions

Does Y Combinator use Dropbox?

Yes, by the company's own words: 2 postings name it, first seen 2026-10-14, in the arts media and entertainment team.

Is Y Combinator hiring?

17 open roles as of 30 October 2026, 4 opened in the last 30 days and 0 closed. The largest team hiring is administration & office.

Where does this profile come from?

From ycombinator.com itself: we crawled it on 2026-08-07, built the profile on 2026-08-16, and read its career site (Ycombinator) hourly since. Headcount is from LinkedIn.

Who should I write to at Y Combinator?

The people are behind the login: decision makers by function, verified at the mail server when you open them. 5 public role addresses from the site are there too.

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