Actively hiring
View 15 jobs
Follow
Overview
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
Funding and backers
Team
31
US Form 5500 (plan participants) · Dec 2025
Hiring now
26
+1 posted in 30 days
Backers
2
South Park Commons, NextGen Venture Partners
Momentum
2/100
hiring for its size
Last sign of life
1 mo ago
a posting or a news item
Tractionpublic signals, read monthly
Web presence
top 6%
of 133.2M domains by links, Common Crawl
Backed byfrom the funds' portfolios and accelerator catalogs
Similar startupsby what they do, their industry and backers

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

FriendliAI is the fastest inference cloud for agents, built to run frontier open-weight models in production at scale.

Inference infrastructure for physical AI. Serve frontier models in real time, on any compute.

The fastest inference for open models. Agents search kernel, engine, and decode configurations against your real traffic, giving you 2-3x…

Reactor is the developer infrastructure for real-time generative media. Fastest inference anywhere, sub-50ms streaming, every major world…

Flexible GPU inference capacity, frontier model access, and hands-on MLOps support for AI companies building and scaling production…
Overview
DensityAI. Building the fastest inference solution for frontier models.
Tech stack
Technologies named in job postings at DensityAI over the last 12 months, by layer, with the share of postings for each.
Technologies in use
35
Postings analysed
19
Stack modernity
64/100
Languages
Python32%
C++21%
SystemVerilog16%
Rust11%
Frameworks & libraries
MLIR11%
Ray11%
UVM11%
CUDA5%
Cloud & platforms
CUDA Toolkit5%
GitHub5%
Linux5%
RTOS5%
Sign in to see how your skills match this stack
Sign In
Full DensityAI tech stack
35 technologies · by team · pay by technology · changes · similar stacks
Salary insights
Compensation ranges based on this company's open jobs
Median
$280k
Typical range
$145k – $320k
Open positions
19
13
Jobs
Senior
46.2%
Staff
46.2%
Architect
7.7%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Senior | 6 | $288k | $275k – $300k |
| Staff | 6 | $278k | $215k – $320k |
| Architect | 1 | $300k | $300k |
Highest paying role
Kernel Engineer (Compute / Accelerator)
$320k
Normalized to USD per year
Growth
Hiring Momentum
48/100
Stable
Open positions
26
0 opened / 0 closed in 30 days
ATS activity
Every ~19 hours
09/26/2026
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.
Hardware
36% ▼
Operations
21% ▲
Industrial Engineering
21% ▲
Product
7% ▼
HR
7% ▲
Legal
7% ▼
Offices
Where the company hires and what each office is for
Cities
2
Hiring now
1
Countries
1
Busiest office
Mountain View
Loading the map
Headquarters
Builds here
Office with open vacancies
No open vacancies right now Tap a pin for the office
Mountain View
United States
Engineering / R&D
Mountain View
26 open roles 14 posted in 90 days 50% engineering 200-500 est. staff $269k Avg Salary
hires for Hardware, Industrial Engineering, Operations
Austin
United States
Regional office
Austin
Jobs
≈ $145k – $260k per year (Estimated) • Equity • In office • 5+ years exp • Mountain View
Rust
C++
Linux
Management
Confluence
Jira
Agile
Apply
$230k – $285k per year • Equity • In office • Mountain View
Python
C++
SystemC
QEMU
Apply
$215k – $275k per year • Equity • In office • 5+ years exp • Mountain View
Ansys HFSS
Ansys RedHawk
Cadence Sigrity
Keysight ADS
Ansys SIwave
Apply
$215k – $300k per year • Equity • In office • 5+ years exp • Mountain View
Python
Verilog
SystemVerilog
Apply
≈ $137k – $285k per year (Estimated) • Equity • In office • Bachelor's Degree • Mountain View
Python
CAPA
Apply
$200k – $310k per year • Equity • In office • 8+ years exp • Master's Degree • Mountain View
Apply
$150k – $215k per year • Equity • In office • 8+ years exp • Mountain View
Cadence Allegro
Mentor Xpedition
Apply
$165k – $225k per year • Equity • In office • 8+ years exp • Mountain View
Cadence Allegro
Mentor Xpedition
Apply
$250k – $320k per year • Equity • In office • Mountain View
Python
Verilog
C++
SystemVerilog
LLVM
AI/ML
CUDA Toolkit
CUDA
Triton
MLIR
CUTLASS
DevOps
HPC
Cybersecurity
Shuffle
Apply
≈ $119k – $270k per year (Estimated) • Equity • In office • Master's Degree • Mountain View
Python
Ray
Machine Learning
Apply
$220k – $275k per year • Equity • In office • 5+ years exp • Mountain View
Rust
RTOS
Cybersecurity
Threat Modeling
SBOM
Apply
$230k – $280k per year • Equity • In office • 5+ years exp • Bachelor's Degree • Mountain View
Ansys HFSS
Cadence Allegro
Ansys SIwave
Apply

South Park Commons
NextGen Venture Partners