Sixty Four
B2B Company & Contact Data · AI Agents
1open role
$200kmedian advertised pay
1backers · Y Combinator
6team · US Form 5500 (plan participants) · Dec 2024
Overview
Sixtyfour deploys AI agents that investigate any person or company, turning one identifier into a source-cited profile for trust, risk and investigations teams.
Funding and backers
Team
6
US Form 5500 (plan participants) · Dec 2024
Hiring now
5
+3 posted in 30 days
Backers
1
Y Combinator
Momentum
39/100
hiring for its size, in the news
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Tractionpublic signals, read monthly
Web presence
top 7%
of 133.2M domains by links, Common Crawl
Backed byfrom the funds' portfolios and accelerator catalogs
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Jobs
$150k – $200k per year · Equity 0.1–0.3% · In office · Full-Time · San Francisco
Python
JavaScript
TypeScript
PostgreSQL
Redis
AI/ML
AI Agents
RAG
Frontend
Next.js
React.js
Apply
Salary insights
Compensation ranges based on this company's open jobs
Median
$200k
Typical range
$100k – $350k
Open positions
5
4
Jobs
Intern
25%
Staff
75%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Intern | 1 | $100k | $100k |
| Staff | 3 | $200k | $100k – $200k |
Highest paying role
Sixtyfour Account Executive
$350k
Normalized to USD per year
All salaries at Sixty Four
By role, level and city, against the market · 5 jobs with pay
Growth
Hiring Momentum
45/100
Stable
Open positions
5
1 opened / 0 closed in 30 days
ATS activity
Every ~5 hours
Today
Hiring Dynamics
0%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Marketing
30% ▲
AI/ML
20% ▲
Backend
20% ▼
Sales
10% ▲
Early Careers
10% ▼
Solutions
10% ▼
Activity Timeline
+6 jobs in a week
Sep 2026
Tech stack
Technologies named in job postings at Sixty Four over the last 12 months, by layer, with the share of postings for each.
Technologies in use
43
Postings analysed
5
Stack modernity
80/100AI adopter
Languages
Python
TypeScript
JavaScript
SQL
Frameworks & libraries
React.js
Next.js
Asyncio
FastAPI
Databases
Redis
PostgreSQL
ElasticSearch
OpenSearch
Cloud & platforms
AWS
Kubernetes
Amazon CloudWatch
Amazon EC2
AI & ML
LLM
Sign in to see how your skills match this stack
Sign In
Full Sixty Four tech stack
43 technologies · by team · pay by technology · changes · similar stacks
Connections
List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors

Y CombinatorVia a fund
6310 portfolio companies
Click a company to open it. Dashed lines are likely connections. The second step of the network is part of the Pro plan.
Owner
Same company
Same group
Likely
News
KYB verification: checking a business is real, not just registered
A KYB check can confirm that a company was registered. The harder part is showing that it trades, who controls it, and that the bad news you found is about it.
Read more
Report
How to detect synthetic identity fraud
A synthetic identity passes KYC because every piece of it checks out. What it usually lacks is the past a real person builds up without trying.
Read more
Report
How to investigate an email address
An email address is often the only identifier a report arrives with. Here is what it can tell you, the order to read it in, and where it misleads.
Read more
Report
How to spot fake candidates before the interview
Interviews test whether someone can do the job. A constructed identity usually can.
Read more
Report
Best Exa alternatives for AI agents in 2026
Eight alternatives compared across search, live fetching, browser automation, and cost at volume.
Read more
Report
Inside Sixtyfour: how we operate
Twelve principles we actually run on - plus the 120lb flat cart that explains all of them.
Read more
Report
FullPAC and Sixtyfour Announce Exclusive Distribution Partnership to Provide AI Candidate Research and Due-Diligence Reports
Political campaigns and organizations can request Background, OSINT, Digital Footprint, Campaign Finance, and other reports at GOTV.com/IntelAI agents consolidate publicly available records and published information into organized, easy-to-review research
Read more
Report
Reverse username search: tracing one handle across platforms
Bad actors hide behind pixelated avatars and disposable handles. Here is how the chain unravels.
Read more
Report
Identity resolution: catching banned users who rotate hardware
Device fingerprinting works on the bottom 90% of operators, but the top 10% rotate hardware before breakfast. Here is how to stop them.
Read more
Report
How to detect rented gig-worker accounts
A $65 Facebook transaction is all it takes to put an unvetted stranger behind the wheel. Here's how Sixtyfour closes that gap.
Read more
Report
Show more news
Offices
Where the company hires and what each office is for
Cities
1
Hiring now
1
Countries
1
Busiest office
San Francisco
San Francisco
United States
HQ
5 open roles 10 posted in 90 days 20% engineering 50-200 est. staff $190k Avg Salary
hires for Marketing, AI/ML, Sales






