PowerX
power-x.jp
Actively hiring
Energy Storage
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How PowerX hires
Truth index
B 75/100
Ghost roles
0%
Stale roles
100%
Reposted roles
0%
PowerX 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
Overview
PowerX is a Japanese energy company that manufactures large-scale battery energy storage systems in-house. It builds and operates grid-scale battery power plants and supplies storage systems to utilities and businesses as part of the shift to renewable power in Japan. The company was founded in 2021. The company is headquartered in Tokyo, Japan.
News
PowerX Wins ¥4.5 Billion Grid-Scale Storage Order, Bolstering 2027 Pipeline
Tipranks Press Release.
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PowerX Unveils "PowerX Energy Blade," a Rack-Mounted Battery Energy Storage System for Data Centers
PowerX, Inc. (Head Office: Tamano City, Okayama Prefecture; Director, President and CEO: Masahiro Ito; Securities Code: 485A) today unveiled the product concept for "PowerX Energy Blade," a rack-mounted battery energy storage system designed for data cent
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PowerX Signs MOU with Montenegro's National Utility EPCG for Strategic Cooperation on Battery Energy Storage
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Report
Bizarre 460-foot "battery tanker" set to ship electrons by 2026
Japanese company PowerX is moving ahead with its strange plan to build a "mobile power station" in the form of a 140-meter (460-ft) electric "battery tanker," which will carry 241 megawatt-hours of renewable energy across the sea over short distances.
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PowerX's battery-packed ships to fetch energy from off-shore wind farms
Fossil fuel tankers that transport oil, gas and coal across the seas play an important part in the global energy mix, but one Japanese startup is eyeing a future where these types of vessels carry a much cleaner load - energy from offshore wind farms.
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Tech stack
Technologies named in job postings at PowerX over the last 12 months, by layer, with the share of postings for each.
Technologies in use
27
Postings analysed
10
Stack modernity
72/100
Languages
C++10%
JavaScript10%
Kotlin10%
TypeScript10%
Frameworks & libraries
OpenTelemetry10%
Cloud & platforms
Kubernetes10%
AWS10%
Azure10%
CUDA Toolkit10%
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Full PowerX tech stack
27 technologies · by team · pay by technology · changes · similar stacks
Growth
Hiring Momentum
62/100
Growing
Open positions
12
1 opened / 2 closed in 30 days
Median time-to-fill
60 days
faster than 22% 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.
Management
36% ▲
DevOps
18% ▼
QA
18% ▼
Hardware
18% ▲
Sales
9% ▼
Activity Timeline
Added SolidWorks to stack
Oct 2026
New location: South Korea
Sep 2026
Added Machine Learning to stack
Sep 2026
Added Agile to stack
Sep 2026
Offices
Where the company hires and what each office is for
Cities
2
Hiring now
1
Countries
1
Busiest office
Tokyo
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Headquarters
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Office with open vacancies
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Tokyo
Japan
HQ
12 open roles 11 posted in 90 days 42% engineering
hires for Management, Hardware, DevOps
Minato
Japan
Regional office
Company Profile
Midtown Tower 43F, 9-7-1 Akasaka, Minato-ku, Tokyo 107-6243
Jobs
In office • Tokyo
Digital Twin
Chips/EDA
LTspice
Design
SolidWorks
Management
Slack
Notion
Google Workspace
Gmail
Apply
In office • Tokyo
AI Agents
Robotics
Digital Twin
Management
Agile
Apply
Apply
≈ $55k – $127k per year (Estimated) • Equity • In office • Tokyo
Hadoop
Spark
TensorFlow
Keras
PyTorch
Federated Learning
TPU
Machine Learning
DevOps
Docker
Kubernetes
Linux
Cybersecurity
GDPR
HIPAA
Robotics
Digital Twin
Management
Slack
Notion
Google Workspace
Gmail
Apply
≈ $40k – $111k per year (Estimated) • Equity • In office • Tokyo
Azure
AWS
Cybersecurity
Zero Trust
Robotics
Digital Twin
Management
Slack
Notion
Google Workspace
Gmail
Apply
Apply