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Job ID : 1584020 Date Updated : March 25th, 2026
Leading Platform - Senior Java Engineer

Senior Java Backend Engineer【Market Leading Platform】

Location Tokyo - 23 Wards
Job Type Contract
Salary 2.5 million yen

Job Description

This role leads the design, development, and operation of large‑scale Java backend systems, taking ownership of high‑traffic, mission‑critical services. It also involves guiding a small engineering team, driving technical decisions, and ensuring stable performance in complex production environments.

Client Details

The employer is a large organization within the retail industry, known for embracing technology to enhance customer experiences. They are committed to delivering excellence and innovation through their cutting-edge projects.

Description

  • Lead the design, development, testing, and release of backend features for large‑scale Java systems.
  • Drive technical decisions and provide guidance to a small engineering team throughout the project lifecycle.
  • Ensure stable system operation through proactive monitoring, troubleshooting, and handling production inquiries.
  • Collaborate with cross‑functional stakeholders to translate business requirements into efficient technical solutions.

Job Offer

  • Opportunity to work on impactful projects in the ecommerce industry.
  • Chance to collaborate with a large organization at the forefront of innovation.
  • Exposure to the latest technologies and industry practices.

To apply online please click the 'Apply' button below. For a confidential discussion about this role please contact Serina Miyazono on +81 3 6627 6130.

General Requirements

Minimum Experience Level No experience
Career Level Mid Career
Minimum English Level Business Level
Minimum Japanese Level Basic
Minimum Education Level Bachelor's Degree
Visa Status Permission to work in Japan required

Required Skills

  • Has 7+ years of hands-on Java backend development experience, including work with frameworks such as Spring Boot or Play Framework.
  • Brings proven leadership experience, having guided a team of around five members as a Project Lead or Technical Lead.
  • Communicates effectively with both technical and non‑technical stakeholders and excels in collaborative, cross‑functional environments.
  • Demonstrates strong ownership and thrives in high‑traffic production environments, with solid skills in troubleshooting, monitoring, and CI/CD practices.

Job Location

  • Tokyo - 23 Wards

Work Conditions

Job Type Contract
Salary 2.5 million yen
Industry Internet, Web Services

Job Category