CSE - Support Customer Business Success Technically | Customer Success EngineerEnglish summary from Japanese

株式会社エス・ワイ・エス

✓ Detailed

Salary

500-650万円

Location

＜本社＞株式会社エス・ワイ・エス〒107-0062　東京都港区南青山5-10-2 第2九曜ビル 3F （雇入れ直後）本社（東京都港区南青山5-10-2　第2九曜ビル3階）、会社の定める場所（変更の範囲）会社の定める場所(テレワークを行う場所を含む)

Job Type

Full-time

Work Style

所定労働時間8時間、休憩1時間平均残業時間15時間程度（2026年3月時点）

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Role summaryEnglish summary from Japanese

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

We are seeking a Customer Success Engineer (CSE) to technically support clients implementing our SaaS booking system, OPTIMA. You will bridge the gap between client technical teams and our internal development team, managing the technical aspects of system integration and ensuring client success.

Must-haves

Experience in technical adjustment and complex SI-like implementation projects.
Ability to discuss and negotiate technical specifications with client IT departments and development vendors.
Experience in project management for development and implementation phases.
Ability to smoothly transition operations to the regular CS team after implementation.
Must work onsite during the trial period (first 3 months) for onboarding.

Nice-to-haves

Experience in LAPI integration specification development and adjustment.
Experience in data migration planning and execution support.
Experience in security requirement confirmation and agreement.
Ability to judge technical feasibility of client requests within our product.

About the Company

株式会社エス・ワイ・エス

Posted7/6/2026

Updated2026-07-23 14:02:24

Sourcelevtech

CSE - Support Customer Business Success Technically | Customer Success EngineerEnglish summary from Japanese

Role summaryEnglish summary from Japanese

Must-haves

Nice-to-haves

About the Company

Tech stack

Work style

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