Thirdlayer
As of 3 November 2026, Thirdlayer has 5 open roles (0 new in 30 days), its data & ai team is hiring most, and its postings name React, Document Object Model and Python as the tools the team works in.
As of 3 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
- Headquarters
- , , United States
- Employees
- Self-employed (linkedin)
- Sells to
- customer operations teams, revenue operations teams, product and engineering teams
- Certifications on site
- Site languages
- EN
- Career system
- Ycombinator
Thirdlayer in one screen
Read from thirdlayer.inc: what the company does, the customers it names, the buyers we can actually see, and the companies that sell the same thing.
Thirdlayer is an AI software company that builds and deploys agent systems for businesses, offering a platform called Dex to construct, deploy, and continuously improve agent factories. Its offerings include company-specific evaluations, replayed environments, and a dedicated AI FDE team to launch the first production system. It targets customer, revenue, and product and engineering teams.
Named on the site: customer operations teams, revenue operations teams, product and engineering teams.
Nearest companies by what they do, sell and whom they serve, 51+ employees. 589 scored.
What Thirdlayer 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.
• End-to-end features using React/Next.js, Python, and SQL.• A system to interpret DOM snapshots, mouse click events, and keyboard inputs to select browser actions.• Strong foundation in Python and TypeScript.• Strong foundation in Python and TypeScript.• End-to-end features using React/Next.js, Python, and SQL.• End-to-end features using React/Next.js, Python, and SQL.• iMessage, communications channels, desktop-native, wearables integrations• Familiarity with design systems like Figma or Framer.• Familiarity with design systems like Figma or Framer.Slack, Notion, Gmail) to enable workflows.Slack, Notion, Gmail) to enable workflows.Slack, Notion, Gmail) to enable workflows.5 open roles, 0 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 data & ai in United States →
| open · new 30 d | |
|---|---|
| Data & AI | 2 · 0 |
| Software engineering | 2 · 0 |
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.
Sales, marketing and IT leaders by function. Add Thirdlayer 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.
Companies like Thirdlayer
Nearest by what they do, what they sell and whom they sell to, 51+ employees. 6 of 589 scored.
From the company's own website
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Thirdlayer (, United States, Self-employed) has 5 open roles, 0 new in 30 days, and names 12 tools in its postings. (Breaknorm, 3 November 2026, https://breaknorm.co/company/thirdlayer.inc)
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 thirdlayer.inc: 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.
Thirdlayer: questions
Does Thirdlayer use React?
Yes, by the company's own words: 3 postings name it, first seen 2025-05-21, in the software engineering team.
Is Thirdlayer hiring?
5 open roles as of 3 November 2026, 0 opened in the last 30 days and 0 closed. The largest team hiring is data & ai.
Where does this profile come from?
From thirdlayer.inc itself: we crawled it on 2026-10-29, built the profile on 2026-10-31, and read its career site (Ycombinator) hourly since. Headcount is from LinkedIn.
Who should I write to at Thirdlayer?
The people are behind the login: decision makers by function, verified at the mail server when you open them. 1 public role addresses from the site are there too.
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