Collinear
AI Training Data & Annotation
7open roles
2backers · Plug and Play, Hitachi Ventures
Growinghiring pace, 69 of 100
50+team · employees, estimated range
Overview
High-signal training data & RL environments for AI teams. Deploy fail-safe agents with real-world simulations.
How Collinear hires
Truth index
B 75/100
Ghost roles
0%
Stale roles
100%
Reposted roles
0%
Collinear 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
10
+3 posted in 30 days
Backers
2
Plug and Play, Hitachi Ventures
Momentum
27/100
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
Sep 2
Launched Collinear AI Launches CWE-bench to Test Frontier Coding Agents on Defensive Cybersecurity Capabilities · streetinsider.com
Feb 2024
Website went live first capture in the Wayback Machine
Tractionpublic signals, read monthly
Web presence
top 2%
of 133.2M domains by links, Common Crawl
Backed byfrom the funds' portfolios and accelerator catalogs
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Jobs
$160k – $400k per year · Equity · In office · Full-Time · Bachelor's Degree · Sunnyvale · San Francisco
Python
C++
LLVM
AI/ML
Fine-tuning
Reinforcement Learning
CUDA
Triton
Post-training
MLIR
CUTLASS
Apply
≈ $117k – $266k per year (Estimated) · Hybrid · Full-Time · PhD · Sunnyvale · San Francisco · Bengaluru
Python
JavaScript
Rust
TypeScript
C++
Reinforcement Learning
AI Agents
LLM
DevOps
Git
Linux
Cybersecurity
CWE
OWASP
Apply
Equity · In office · Internship · Bachelor's Degree · Sunnyvale · San Francisco · Bengaluru
Python
Model Context Protocol
Fine-tuning
RLHF
Reinforcement Learning
SFT
Post-training
Computer Use
RLAIF
Apply
≈ $129k – $281k per year (Estimated) · In office · Full-Time · Master's Degree · San Francisco · Sunnyvale
Python
AI Agents
RAG
Agentic Workflows
Machine Learning
DevOps
CI/CD
HPC
Linux
Robotics
Digital Twin
SpaceTech
Abaqus
ANSYS
OpenFOAM
Apply
Remote (India) · Full-Time · Bachelor's Degree · Bengaluru
Python
Fine-tuning
RLHF
Reinforcement Learning
SFT
Post-training
World Models
RLAIF
Apply
In office · Full-Time · Bachelor's Degree · Bengaluru
Python
JavaScript
SQL
FastAPI
AI/ML
NLP
LLM
Frontend
Next.js
React.js
DevOps
CI/CD
Jenkins
AWS
Docker
Kubernetes
GitHub
Apply
$150k – $300k per year · Hybrid · Full-Time · Bachelor's Degree · Sunnyvale · San Francisco
Python
JavaScript
SQL
FastAPI
AI/ML
NLP
LLM
Synthetic Data
Frontend
Next.js
React.js
DevOps
CI/CD
Jenkins
AWS
Docker
Kubernetes
GitHub
Apply
Salary insights
Compensation ranges based on this company's open jobs
Median
$400k
Typical range
$300k – $400k
Open positions
3
1
Jobs
Staff
100%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Staff | 1 | $400k | $400k |
Highest paying role
MTS - Staff Engineer
$400k
Normalized to USD per year
Visa sponsorship
4 ▲ 100%
H-1B filings in 12 months
$153k
Median offered salary
7
Open roles in United States
Who they sponsor
Computer and information research scientists
2
Computer systems analysts
1
Computer programmers
1
In the register as Collinear Ai Inc. t/a Artificial Inteligence, Mountain View, CA
Other sponsors in the same field
Outlier AI 
Snorkel AI 
Labelbox 
Invisible Technologies
See 7 open roles Alert me
US Department of Labor · latest filing Nov 14, 2025 · Visa details by country
Growth
Hiring Momentum
69/100
Growing
Open positions
10
3 opened / 2 closed in 30 days
Median time-to-fill
50 days
faster than 27% of the market
ATS activity
Every ~5 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
29% ▼
Marketing
29% ▼
Data Science
14% ▼
Security
14% ▲
Operations
14% ▲
Activity Timeline
Added Triton to stack
Oct 2026
Added MLIR to stack
Oct 2026
Added LLVM to stack
Oct 2026
Added CUTLASS to stack
Oct 2026
Added OpenFOAM to stack
Oct 2026
Added ANSYS to stack
Oct 2026
Added Abaqus to stack
Oct 2026
Added X (Twitter) to stack
Oct 2026
Added LinkedIn to stack
Oct 2026
Added TypeScript to stack
Sep 2026
Added Rust to stack
Sep 2026
Added OWASP to stack
Sep 2026
Tech stack
Technologies named in job postings at Collinear over the last 12 months, by layer, with the share of postings for each.
Technologies in use
51
Postings analysed
10
Stack modernity
75/100AI adopter
Languages
Python90%
JavaScript40%
SQL30%
C++20%
Frameworks & libraries
FastAPI30%
Next.js30%
React.js30%
CUDA10%
Databases
Redis10%
Snowflake10%
Cloud & platforms
AWS30%
Kubernetes30%
Linux20%
GitHub20%
AI & ML
LLM40%
Sign in to see how your skills match this stack
Sign In
Full Collinear tech stack
51 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
Hitachi VenturesVia a fund
Plug and PlayVia a fund
2741 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
Non-Collinear Magnetism Creates Flat Electronic Bands in Predicted
First-principles calculations predict that the magnetic topological material CoBi2Te4 hosts flat, edge-localized electronic bands arising from the interplay of non-collinear antiferromagnetism and spin-orbit-driven band inversion.
Read more
Report
Together AI Launches Together Post-Training Service for Custom Models
Together AI on October 19, 2026, launched Together Post-Training, a service for building custom models through user-defined reinforcement learning and supervised fine-tuning loops, with introductory pricing of $9 per GPU...
Read more
Report
Collinear AI Launches CWE-bench to Test Frontier Coding Agents on Defensive Cybersecurity Capabilities
Read more
Report
Report
Zero-field Hall effect emerging from a non-Fermi liquid in a collinear antiferromagnet V1/3NbS2
Magnetically intercalated transition metal dichalcogenides (TMDs) provide a versatile three-dimensional (3D) material platform to explore quantum phenomena and functionalities that emerge from an intricate interplay among magnetism, band structure, and el
Read more
Report
The Free Press Journal January 6, 2025 Interview AI Is a Tool, Not a Threat, Says Nazneen Rajani
Read more
Report
The New York Times September 25, 2023 Expert commentary The Secret Ingredient of ChatGPT Is Human Advice
Read more
Report
Nazneen Rajani Innovators Under 35
Our annual list of the young dreamers, tinkerers, and innovators that are creating technology's future.
Read more
Report
Stottler Henke Associates, Inc. and Collinear Group Announce Partnership
Seattle, WA USA - October 29, 2020. Stottler Henke Associates, Inc and Collinear Group LLC have announced a new agreement whereby Collinear Group will become
Read more
Report
Collinear Networks Recognized as a Finalist by Questex
/PRNewswire/ -- Collinear Networks announced today that it has been selected as a finalist in this year
Read more
Report
Show more news
Offices
Where the company hires and what each office is for
Cities
3
Hiring now
3
Countries
2
Busiest office
San Francisco
Loading the map
Headquarters
Builds here
Office with open vacancies
Tap a pin for the office
San Francisco
United States
HQ
7 open roles 6 posted in 90 days 71% engineering 10-50 est. staff $367k Avg Salary
hires for AI/ML, Data Science, Backend
Sunnyvale
United States
Engineering / R&D
6 open roles 5 posted in 90 days 83% engineering 10-50 est. staff $367k Avg Salary
hires for AI/ML, Data Science, Backend
Bengaluru
India
Engineering / R&D
5 open roles 4 posted in 90 days 80% engineering 40% remote 10-50 est. staff
hires for DevOps, AI/ML, Security