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Chemical Manufacturing
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Overview
Zen Nihon Tsusho is a trading company that buys and sells used and refurbished home appliances and digital devices worldwide. It runs buying shops and e-commerce sites, including the 1-chome.com platform, and hires Java backend engineers and buyers of brand sneakers and trading cards in Tokyo and Hong Kong. The company is headquartered in Toshima, Tokyo, Japan.
Tech stack
The technologies known for Zen Nihon Tsusho, by layer.
Languages
Java
Kotlin
Frameworks & libraries
Hibernate
JUnit
Mockito
Spring Boot
Spring Security
Testcontainers
Databases
PostgreSQL
Redis
Developer tools
Docker
Maven
Prometheus
Rest API
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Growth
Hiring Momentum
53/100
Stable
Open positions
2
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.
Operations
100% ▲
Activity Timeline
New location: Tokyo
Sep 2026
Offices
Where the company hires and what each office is for
Cities
3
Hiring now
2
Countries
2
Busiest office
Hong Kong
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Headquarters
Builds here
Office with open vacancies
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Toshima
Japan
HQ
東池袋5−49−7 藤和シティコープ新大塚II 1F, 豊島区, 東京都, 170-0013, JP
Hong Kong
Hong Kong
1 open roles 1 posted in 90 days
hires for Operations
Tokyo
Japan
1 open roles 100% engineering
hires for Backend
Jobs
In office • Full-Time • Tokyo
Java
Kotlin
Maven
Spring Boot
Hibernate
Spring Security
Testcontainers
Kotlin
Mockito
Databases
PostgreSQL
Redis
Mobile
JUnit
DevOps
Rest API
Prometheus
Docker
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