Backend Engineer (BPaaS Business) <Flex / Hybrid work>English summary from Japanese

株式会社kubell

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Salary

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Location

〒105-0001　東京都港区虎ノ門一丁目10番5号 KDX虎ノ門一丁目ビル WeWork KDX 虎ノ門１丁目プロダクト職種は週1〜月1出社となります。 ※配属先の本部のルールによって異なります。

Job Type

Full-time

Work Style

契約期間：期間の定めなし（試用期間3ヶ月）勤務時間：フレックスタイム制（メインタイム※ 10:00-16:00） ※業務遂行の推奨時間帯

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Role summaryEnglish summary from Japanese

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

We are seeking a Backend Engineer to join our new BPaaS product development team. You will take ownership of new product requirements and feature development, contributing to the launch and growth of innovative services. This role offers the opportunity to be involved in technology selection and overall system design from the ground up.

Must-haves

Ability to integrate AI into editors/IDEs for code completion and generation.
Understanding of generative AI and prompt improvement.
Experience in designing, developing, and operating web applications.
Experience with commercial services or business systems.
Experience in backend API design and database design.

Nice-to-haves

Experience in technology selection, development process definition, and overall architecture design for new product development.
Experience in business analysis and requirements definition.
Experience with BtoB services, especially business support SaaS or workflow systems.
Experience in designing, building, and operating medium to large-scale services.
Experience with Domain-Driven Design.

About the Company

株式会社kubell

Headquarters

〒105-0001 東京都港区虎ノ門一丁目10番5号 KDX虎ノ門一丁目ビル WeWork KDX 虎ノ門１丁目

Founded

2004-11

Visit Website

Posted7/28/2026

Updated2026/07/28 16:32

Sourceherp

Backend Engineer (BPaaS Business) <Flex / Hybrid work>English summary from Japanese

Role summaryEnglish summary from Japanese

Must-haves

Nice-to-haves

About the Company

Tech stack

Work style

Other notes