Spirit AI
spirit-ai.com
Actively hiring
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Overview
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
Funding and backers
Total raised
$140M
1 round on record
Latest round
$140M
Series A · Apr 2026 · 6 mo ago
Team
501-1000
employees, estimated range
Hiring now
47
open roles
The money's age
Fresh money
6 months since the last round · hiring slowed
Momentum
20/100
fresh money
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
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Series A | Apr 2026 | $140M | — | 投资界 |
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How Spirit AI hires
Truth index
B 75/100
Ghost roles
0%
Stale roles
100%
Reposted roles
0%
Spirit AI scores B on the Alion truth index (A is best, E worst), measured over 19 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
Spirit AI is a Chinese embodied intelligence company that develops general-purpose humanoid robots and foundation models that act as a general brain for robots, headquartered in Beijing. Founded in January 2024 and operated by a Beijing-registered company, it builds its own Spirit series of embodied models, such as Spirit v1.5, which it reports leads the RoboChallenge benchmark, and delivers robots to research institutes, showrooms and factories. It recruits robot software engineers, model fine-tuning and reinforcement learning researchers, hardware test engineers and solution engineers, plus interns, with offices in Shenzhen and Hangzhou.
Tech stack
Technologies named in job postings at Spirit AI over the last 12 months, by layer, with the share of postings for each.
Technologies in use
52
Postings analysed
26
Stack modernity
88/100AI adopter
Languages
Python38%
C++15%
SQL12%
Go8%
Frameworks & libraries
PyTorch23%
ROS212%
TensorFlow12%
FAST-LIO8%
Databases
MySQL8%
PostgreSQL8%
Cloud & platforms
Linux15%
Kubernetes8%
vLLM8%
Grafana4%
AI & ML
VLM31%
LLM8%
Claude4%
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Full Spirit AI tech stack
52 technologies · by team · pay by technology · changes · similar stacks
Growth
Hiring Momentum
21/100
Hiring freeze
Open positions
48
0 opened / 0 closed in 30 days
Median time-to-fill
264 days
faster than 7% of the market
ATS activity
Every ~4 hours
Today
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
33% ▼
Robotics
17% ▲
Early Careers
13% ▲
Product
7% ▼
Industrial Engineering
7% ▼
DevOps
3% ▼
Offices
Where the company hires and what each office is for
Cities
3
Hiring now
3
Countries
1
Busiest office
Beijing
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Headquarters
Builds here
Office with open vacancies
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Beijing
China
HQ
45 open roles 27 posted in 90 days 56% engineering 500-1000 est. staff
hires for AI/ML, Robotics, Early Careers
Shenzhen
China
Engineering / R&D
4 open roles 3 posted in 90 days 75% engineering 50-200 est. staff
hires for Analytics, AI/ML, Solutions
Hangzhou
China
1 open roles 10-50 est. staff
hires for Early Careers
Jobs
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In office • Internship • Beijing
JavaScript
Node JS
Claude
OpenAI Codex
Analytics
Plotly
Apply
In office • Full-Time • Beijing
Python
TensorFlow
PyTorch
Stable-Baselines3
Ray
RLlib
Robotics
PyBullet
Isaac Gym
Isaac Sim
MuJoCo
Apply
Financials
Total raised
$140M
Latest round
Series A
Funding rounds
1
Funding rounds
| Round | Announced | Amount | |
|---|---|---|---|
| Series A | 2026 | $140M | Details |