Actively hiring
View 2 jobs
Follow
Overview
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
Funding and backers
Hiring now
2
+2 posted in 30 days
Momentum
27/100
hiring for its size
Last sign of life
this month
a posting or a news item
Similar startupsby what they do, their industry and backers

Ashr captures the corrections your domain experts make every day and post-trains an open-weight model on them. Training runs in your cloud…

Train the models only you can build. SF Tensor provides one optimized, cross-vendor training stack for enterprise post-training and…

Paper Instruments (formerly The LLM Data Company) trains frontier models and builds post-training infrastructure and agent-first software…

MangoDesk — Accelerate custom evals and post-training data creation.

We train expert models for long horizon tasks.. TrainLoop is a post-training research and product lab. We work with leading pharma…

Train and run AI on the right data. The data infrastructure layer for Physical AI and Enterprise teams - multimodal by design, from pre and…
Overview
Arcanum is the post-training lab for enterprises. We post-train open models on your firm.
Tech stack
Technologies named in job postings at Arcanum Labs over the last 12 months, by layer, with the share of postings for each.
Technologies in use
5
Postings analysed
2
Stack modernity
86/100AI adopter
Cloud & platforms
Anthropic
OpenAI
AI & ML
LLM
Practices & domains
AI Agents
Post-training
Sign in to see how your skills match this stack
Sign In
Salary insights
Compensation ranges based on this company's open jobs
Median
$300k
Typical range
$250k – $350k
Open positions
2
2
Jobs
Staff
100%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Staff | 2 | $300k | $250k – $350k |
Highest paying role
Member of Technical Staff, Evals Researcher
$350k
Normalized to USD per year
Growth
Hiring Momentum
48/100
Stable
Open positions
2
0 opened / 0 closed in 30 days
ATS activity
Every ~5 hours
09/27/2026
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
50% ▲
Solutions
50% ▲
Offices
Where the company hires and what each office is for
Cities
2
Hiring now
2
Countries
1
Busiest office
New York
Loading the map
Headquarters
Builds here
Office with open vacancies
Tap a pin for the office
New York
United States
Engineering / R&D
2 open roles 2 posted in 90 days 50% engineering $300k Avg Salary
hires for AI/ML, Solutions
San Francisco
United States
2 open roles 2 posted in 90 days 50% engineering $300k Avg Salary
hires for AI/ML, Solutions
Jobs
$150k – $350k per year • Equity • In office • Full-Time • San Francisco • New York
AI Agents
LLM
OpenAI
Anthropic
Post-training
Apply
$150k – $250k per year • Equity • In office • Full-Time • San Francisco • New York
AI Agents
OpenAI
Anthropic
Post-training
Apply
