anjin.techEvery tech job in Japan
12,021 jobs/3,824 companies
HomeJobsCompaniesReports
About anjin.techContactPrivacy PolicyTerms of Service

© 2026 anjin.tech. All rights reserved.

Browse thousands of tech jobs at Japanese startups and companies. Translated for foreign engineers.

Job listings include English summaries for screening. Always verify details on the original job board before applying.

Jobs→株式会社LAVA International→In-house SE responsible for the operation and improvement of the core system of Japan's largest wellness company

In-house SE responsible for the operation and improvement of the core system of Japan's largest wellness companyEnglish summary from Japanese

株式会社LAVA International

✓ Detailed
Salary
4-5.5 million yen
Location
東京 青山本社 東京都港区北青山1-2-3 青山ビルヂング9F
Job Type
Full-time
Work Style
■1か月単位の変形労働時間制 ・基本勤務時間:9:00~18:00 ・所定労働時間:1日8時間を基本とし、1か月単位で勤務時間を調整 ・業務上の都合等により、上長の判断のもと、始業・終業時刻の変更が可能です ◎システムの場合夜勤は月に1回程度。インフラはほぼなし。夜勤時は在宅勤務の社員も多いです。
Apply on LEVTECH

Role summaryEnglish summary from Japanese

English summary for screening — check the original posting before applying.

This role is responsible for the operation and improvement of the core system used by store staff and headquarters employees at Japan's largest wellness company. You will analyze issues, propose improvements, and drive the enhancement of the in-house system, connecting the field, development, and vendors to support store operations and business growth.

Must-haves

  • Experience handling escalated inquiries and analyzing root causes.
  • Experience proposing and implementing system improvements.
  • Experience coordinating with development vendors and directing their work.
  • Experience in requirement definition for UI/UX improvements and feature additions.
  • Experience in improving and standardizing system operation rules and business processes.

Nice-to-haves

  • Experience utilizing Power Automate and generative AI for operational efficiency and automation.
  • Experience with Java (Seasar2, Struts, Spring) and React.
  • Experience with AWS (EC2, S3, RDS, WAF) and SQLServer.
  • Experience with GitHub for source management.

Tech stack

About the Company

株式会社LAVA International

Posted7/28/2026
Updated2026-07-29 15:58:11
Sourcelevtech
JavaSeasar2StrutsSpringReactAWSEC2S3RDSWAFSQLServerGitHubPower AutomateCopilotGithubCopilotClaude

Work style

Onsite, Tokyo (implied by company description)