Permanent

Senior Java Developer

Posted by TEKsystems • Osaka, Osaka, Japan

📍 Osaka, Osaka 🕒 February 22, 2026

About the Role

Job Summary


One of the largest E-commerce company is looking for a Java Developer to join their team! 

This opportunity will require candidate to be based in Osaka .

Top 3 Requirements

1. 8+ years of Java developement experience, desinging and developing RESTful API and Microservice architecture as a whole.

2. Experience creating architecture from scratch using Spring boot or other frameworks. Design experience needed.

3. Hands on experience with Operations side (CI/CD, Docker, Kubernetes, Jenkins)

Daily Tasks:

• To understand business requirements, and deliver features with high quality and speed • To design, development, test, and operate of large scale e-commerce systems • To perform system improvement (i.e. refactoring, adopting appropriate technologies and system architecture, and optimizing the system performance with a sufficient load test) If you are interes...

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