Overview
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
Funding and backers
Hiring now
7
open roles
Backers
1
Global Brain
Momentum
0/100
no fresh signals
Last sign of life
this month
a posting or a news item
Tractionpublic signals, read monthly
Backed byfrom the funds' portfolios and accelerator catalogs
Global Brain How JIJ hires
Truth index
B 75/100
Ghost roles
0%
Stale roles
100%
Reposted roles
0%
JIJ scores B on the Alion truth index (A is best, E worst), measured over 3 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
News
Report
Tech stack
Technologies named in job postings at JIJ over the last 12 months, by layer, with the share of postings for each.
Technologies in use
37
Postings analysed
7
Stack modernity
80/100AI adopter
Languages
Python
Rust
JavaScript
Node JS
Frameworks & libraries
Qiskit
PennyLane
CUDA
FastAPI
Cloud & platforms
GitHub
CUDA Toolkit
AWS
Amazon ECS
AI & ML
Claude
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Full JIJ tech stack
37 technologies · by team · pay by technology · changes · similar stacks
Growth
Hiring Momentum
28/100
Slowing
Open positions
7
0 opened / 0 closed in 30 days
ATS activity
Every ~2 days
09/29/2026
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.
Backend
40% ▼
Management
20% ▼
Sales
20% ▲
Quantum
20% ▲
Offices
Where the company hires and what each office is for
Cities
1
Hiring now
0
Countries
1
Tokyo
Japan
Regional office
ご質問・ご相談など、お気軽にお問い合わせください。
INDEST, 403, Campus Innovation Center, Institute of Science Tokyo, 3-3-6 Shibaura, Minato-ku, Tokyo 108-0023, Japan
Jobs
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Rust
GitHub
Quantum
Qiskit
PennyLane
Apply