KOS
kos.ai
Actively hiring
AI Agents
Construction Management Software
As featured in
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Overview
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
Funding and backers
Team
8
US Form 5500 (plan participants) · Dec 2025 · -38% in a year
Hiring now
5
open roles
Backers
1
8VC
Momentum
0/100
no fresh signals
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
2025
Team shrank to 8 was 13 · US Form 5500 (plan participants)
Apr 2017
Website went live first capture in the Wayback Machine
Tractionpublic signals, read monthly
Web presence
top 13%
of 133.2M domains by links, Common Crawl
Registers and programsofficial lists and records that name the company
| Legal entity | Kosai, Inc. | its site |
Backed byfrom the funds' portfolios and accelerator catalogs
Investors in similar startupsfunds that back the companies most like this one
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How KOS hires
Truth index
B 75/100
Ghost roles
0%
Stale roles
100%
Reposted roles
0%
KOS scores B on the Alion truth index (A is best, E worst), measured over 5 open roles re-checked against its own hiring board: 0% look like ghost listings, 100% have gone stale and 0% are the same role posted again. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed
Overview
Kos reads the pay app, ties out the contract, and cuts the check. A virtual financial operations employee for companies that build the physical world.
News
kos.ai Announces General Availability of Same-Day Pay Application Reviews Powered by Kos, the Virtual Finance Employee, Following $12M Inception Financing
kos.ai, the leading Virtual Finance Employee startup for data center companies, today announced the general availability of same-day pay application reviews powered by Kos, its virtual finance employee, enabling data center, defense and energy operators t
Read more
Report
KOS AI to Host Press Conference on Argus: A Non-Invasive Blood Glucose Monitoring Breakthrough
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Report
KOS AI to Host Press Conference on Argus: A Non-Invasive Blood Glucose Monitoring Breakthrough
media572512
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Report
Tech stack
Technologies named in job postings at KOS over the last 12 months, by layer, with the share of postings for each.
Technologies in use
12
Postings analysed
5
Stack modernity
79/100AI adopter
Languages
Python
TypeScript
Cloud & platforms
Azure
OpenAI
AI & ML
LLM
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Full KOS tech stack
12 technologies · by team · pay by technology · changes · similar stacks
Salary insights
Compensation ranges based on this company's open jobs
Median
$250k
Typical range
$250k
Open positions
2
2
Jobs
Junior
100%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Junior | 2 | $250k | $250k |
Highest paying role
Founding Platform Engineer
$250k
Normalized to USD per year
Growth
Hiring Momentum
58/100
Growing
Open positions
5
0 opened / 0 closed in 30 days
ATS activity
Every ~4 hours
Today
Hiring Dynamics
+100%
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.
AI/ML
20% ▼
Backend
20% ▼
DevOps
20% ▼
Leadership
20% ▼
Finance
20% ▼
Activity Timeline
Added SharePoint to stack
Sep 2026
Added Google Drive to stack
Sep 2026
Added Tool Use to stack
Sep 2026
Added Computer Use to stack
Sep 2026
Added Function Calling to stack
Aug 2026
Added AI Agents to stack
Aug 2026
Added OpenAI to stack
Aug 2026
Added LLM Evaluation to stack
Aug 2026
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 60% engineering $250k Avg Salary
hires for AI/ML, Backend, DevOps
Jobs
≈ $200k – $375k per year (Estimated) • Hybrid • Full-Time • PhD • San Francisco
Computer Vision
OpenAI
DevOps
Azure
Apply
In office • Internship • Master's Degree • San Francisco
Python
TypeScript
Computer Vision
OpenAI
LLM Evaluation
Computer Use
DevOps
Azure
Apply
$170k – $250k per year • Hybrid • Full-Time • 2+ years exp • Bachelor's Degree • San Francisco
Fine-tuning
Function Calling
Computer Vision
AI Agents
LLM
OpenAI
LLM Evaluation
Computer Use
Tool Use
DevOps
Azure
Apply
$170k – $250k per year • Hybrid • Full-Time • 2+ years exp • Bachelor's Degree • San Francisco
Computer Vision
OpenAI
DevOps
Azure
Cybersecurity
SOC 2
Management
Slack
Google Workspace
Google Drive
SharePoint
Apply