QunaSys
qunasys.com
Actively hiring
Quantum Science & Computing
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Overview
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
Funding and backers
Total raised
$10M
1 round on record
Latest round
$10M
Series B · Mar 2022 · 4 yr ago
Team
51-200
employees, estimated range
Hiring now
8
open roles
Backers
2
Global Brain, JIC Venture Growth Investments
The money's age
Long since its last round
54 months since the last round · hiring slowed
Momentum
15/100
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
Mar 28, 2022
Raised a round Series B $10M · led by VGI
Dec 7, 2021
Partnership PsiQuantum and QunaSys Partner to Advance Industrial Chemistry and Materials Science through Quantum Computing · businesswire.com
Jul 21, 2021
Partnership QunaSys Joins the Pistoia Alliance · streetinsider.com
2018
Founded
Tractionpublic signals, read monthly
Web presence
top 0.3%
of 133.2M domains by links, Common Crawl
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Series B | Mar 2022 | $10M | VGI lead | asiaone.com |
Backed byfrom the funds' portfolios and accelerator catalogs
Global Brain 
JIC Venture Growth Investments Investors in similar startupsfunds that back the companies most like this one
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How QunaSys hires
Truth index
B 75/100
Ghost roles
0%
Stale roles
100%
Reposted roles
0%
QunaSys scores B on the Alion truth index (A is best, E worst), measured over 7 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
QunaSys is a Tokyo quantum computing company founded in 2018 that develops algorithms and software for quantum chemistry. Its QamuyA platform lets chemical and pharmaceutical researchers run molecular simulations on quantum and classical hardware. The company collaborates with Japanese industry consortia exploring practical quantum applications.
News
こちら
・樽茶 清悟 先生国立研究開発法人 理化学研究所 創発物性科学研究センター量子コンピュータ研究センター ・有本 英生 様株式会社日立製作所 研究開発グループ ・モデレータ：松岡 智代株式会社QunaSys COO 開催概要 イベント名：「量子コンピュータを通して半導体産業の未来を問い直す」 日時：2026年7月28日 15:0019:0018:00交流会 会場：RISE-A東京・三越前 開催形式：ハイブリッド開催オンラインオフライン 参加費：現地参加：1000円交流会参加費用含む 定員数：現地：100名
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QunaSys Launches "Quantum Algorithm Grand Challenge": Join the Race to Push NISQ Algorithms to the Next Level
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Qunasys Participated In Q2B 2022 Silicon Valley: Practical Quantum Computing
Qunasys Participated In Q2B 2022 Silicon Valley: Practical Quantum Computing
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QunaSys Raises $10M in its Series B Funding Led by VGI to Expand Overseas Markets Further as a Japan-Based Quantum Computer Software Startup
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PsiQuantum and QunaSys Partner to Advance Industrial Chemistry and Materials Science through Quantum Computing
/PRNewswire/ -- PsiQuantum and QunaSys, Inc. ("QunaSys") today announced a joint research project to assess the power of fault-tolerant quantum computing for...
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Tech stack
Technologies named in job postings at QunaSys over the last 12 months, by layer, with the share of postings for each.
Technologies in use
4
Postings analysed
2
Stack modernity
58/100
Languages
C++
Python
Frameworks & libraries
PoC Library
Developer tools
OpenMP
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Growth
Hiring Momentum
58/100
Growing
Open positions
8
0 opened / 0 closed in 30 days
ATS activity
Every ~4 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
100% ▼
Activity Timeline
Added MLIR to stack
Sep 2026
Added Git to stack
Sep 2026
Added OpenMP to stack
Sep 2026
Added PoC Library to stack
Sep 2026
Added arXiv to stack
Sep 2026
Added GitHub to stack
Aug 2026
Offices
Where the company hires and what each office is for
Cities
1
Hiring now
1
Countries
1
Busiest office
Tokyo
Tokyo
Japan
HQ
8 open roles 1 posted in 90 days 75% engineering 50-200 est. staff $71k Avg Salary
hires for AI/ML, Backend, Product
Jobs
In office • Full-Time • Tokyo
Python
C++
OpenMP
Chips/EDA
PoC Library
Apply
Apply
Apply
$38k – $64k per year • In office • Full-Time • Tokyo
Python
JavaScript
TypeScript
Node JS
Nest.JS
AI/ML
LangChain
Gradio
Frontend
Next.js
React.js
DevOps
Terraform
GCP
Vercel
Netlify
Azure
Git
AWS
Docker
GitHub
Linux
Design
Figma
Management
Slack
Apply
In office • Full-Time • Tokyo
Python
Rust
C++
OpenQASM
LLVM
OpenQASM
NVIDIA cuQuantum
AI/ML
Jupyter Notebook
SciPy
NumPy
MLIR
DevOps
GitHub Actions
Docker
GitHub
Management
Slack
Quantum
Qiskit
Cirq
Apply
Apply
Financials
Total raised
$10M
Latest round
Series B
Funding rounds
1
Funding rounds
| Round | Announced | Amount | |
|---|---|---|---|
| Series B | 2022 | $10M | Details |