PROTO Corporation
proto-g.co.jp
Staffing · EOR
Actively hiring
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Tech stack
Technologies named in job postings at PROTO Corporation over the last 12 months, by layer, with the share of postings for each.
Technologies in use
11
Postings analysed
3
Stack modernity
77/100
Languages
PHP
Kotlin
Swift
Dart
Frameworks & libraries
Flutter
Databases
MySQL
PostgreSQL
Amazon Aurora
Oracle
Cloud & platforms
AWS
Linux
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Growth
Hiring Momentum
53/100
Stable
Open positions
6
6 opened / 0 closed in 30 days
ATS activity
Every ~4 hours
Today
Hiring Dynamics
0%
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
17% ▲
Mobile
17% ▲
DevOps
17% ▲
Security
17% ▲
Early Careers
17% ▲
Solutions
17% ▲
Activity Timeline
+6 jobs in a week
Nov 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
Builds here
Office with open vacancies
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Nagoya
Japan
HQ
Tokyo
Japan
Engineering / R&D
5 open roles 5 posted in 90 days 80% engineering
hires for Backend, Mobile, DevOps
Jobs
In office · Full-Time · Tokyo
PHP
Kotlin
Dart
Swift
MySQL
PostgreSQL
Mobile
Flutter
DevOps
AWS
Linux
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