Halluminate
AI Training Data & Annotation
6open roles
$275kmedian advertised pay
2backers · Y Combinator, Oak HC/FT
50+team · employees, estimated range
Overview
Halluminate builds RL environments for financial services — computer-use and tool-use gyms that train frontier AI models on real investment banking, private equity, and consulting work.
Key facts
As of Nov 13, 2026, Alion lists 6 open roles at Halluminate. Halluminate is headquartered in San Francisco, United States. It was founded in 2024. The median pay stated in its open roles is $275k, across 6 postings that state pay.
- Open roles
- 6Its careers board, read on Nov 13, 2026
- Headquarters
- San Francisco, United StatesAlion company profile, updated Nov 13, 2026
- Founded
- 2024Alion company profile, updated Nov 13, 2026
- Employees
- 50+Alion company profile, an estimated range
- Median advertised pay
- $275kPay stated in 6 open postings
- Visa sponsorship, United States
- 2 · H-1B filings in 12 monthsUS Department of Labor · latest filing Sep 4, 2026
- Technologies in its job postings
- 9Named in its job postings
How Halluminate hires
Truth index
B 75/100
Ghost roles
0%
Stale roles
100%
Reposted roles
0%
Halluminate scores B on the Alion truth index (A is best, E worst), measured over 4 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
Funding and backers
Team
51-200
employees, estimated range
Hiring now
6
open roles
Backers
2
Y Combinator, Oak HC/FT
Momentum
15/100
rising traction
Last sign of life
1 mo ago
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 6%
of 133.2M domains by links, Common Crawl
Hacker News stories
1
best: 1 points
Backed byfrom the funds' portfolios and accelerator catalogs
Investors in similar startupsfunds that back the companies most like this one
Similar startupsby what they do, their industry and backers
High-signal training data & RL environments for AI teams. Deploy fail-safe agents with real-world simulations.
Deterministic RL environments and trajectory datasets for CUA training. Pixel-perfect multi-layer clones, temporal integrity, automated…
Basis is a company that supplies human expertise and data to frontier AI developers and describes itself as the human foundation behind…
Turing is an AI company headquartered in San Francisco that supplies frontier AI labs with training datasets, reinforcement learning…
Labelbox is a San Francisco company founded in 2018 that provides a data engine for training and evaluating machine learning models. Its…
APTO is a Japanese AI data startup that develops harBest, a platform for collecting and creating training data for AI development at high…
Jobs
$215k – $275k per year · In office · Full-Time · 2+ years exp · San Francisco
AI Agents
Apply
Apply
$250k – $320k per year · In office · Full-Time · San Francisco
AI Agents
Post-training
DevOps
Platform Engineering
Apply
$215k – $275k per year · In office · Full-Time · San Francisco
AI Agents
Synthetic Data
DevOps
Platform Engineering
Analytics
Microsoft Excel
Apply
Salary insights
Compensation ranges based on this company's open jobs
Median
$275k
Typical range
$200k – $320k
Open positions
6
5
Jobs
Senior
20%
Staff
80%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Senior | 1 | $200k | $200k |
| Staff | 4 | $278k | $275k – $320k |
Highest paying role
Member of Technical Staff - Research / Post-Training
$320k
Normalized to USD per year
All salaries at Halluminate
By role, level and city, against the market · 6 jobs with pay
Visa sponsorship
2
H-1B filings in 12 months
$203k
Median offered salary
6
Open roles in United States
6
Adverts offering sponsorship in 24 months
Who they sponsor
Other computer occupations
2
In the register as Halluminate (+1 more)
Other sponsors in the same field
Outlier AI 
Centific 
Snorkel AI
See 6 open roles Alert me
US Department of Labor · latest filing Sep 4, 2026 · Visa details by country
Growth
Hiring Momentum
48/100
Stable
Open positions
6
0 opened / 0 closed in 30 days
ATS activity
Every ~6 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.
HR
50% ▼
Solutions
50% ▼
Tech stack
Technologies named in job postings at Halluminate over the last 12 months, by layer, with the share of postings for each.
Technologies in use
9
Postings analysed
5
Stack modernity
66/100
Languages
SQL
Sign in to see how your skills match this stack
Sign In
Full Halluminate tech stack
9 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
Oak HC/FTVia a fund
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
Shared investors
News
Halluminate - RL Environments for Financial Services
Halluminate builds RL environments for financial services - computer-use and tool-use gyms that train frontier AI models on real investment banking, private equity, and consulting work.
Read more
Report
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
6 open roles 2 posted in 90 days 33% engineering 50-200 est. staff $271k Avg Salary
hires for AI/ML, DevOps, HR
How to cite this page
Alion, "Halluminate: key facts", as of Nov 13, 2026. https://alion.io/company/halluminate
These figures are published under a free licence. You may reuse them, including commercially, as long as you credit Alion and link back to this page. CC BY-SA 4.0