[CTO Interview Guaranteed / Premium Scout] Leading a SaaS product with domestic top share aiming for global expansion! Full Stack Engineer Wanted <Flex Available>English summary from Japanese

株式会社ディーバ

✓ Detailed

Salary

800万円〜 1,200万円

Role summaryEnglish summary from Japanese

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

DIVA is seeking a Full Stack Engineer to join their Product Development Division. The role involves contributing to the design, development, and operational improvement of their leading SaaS accounting product, which holds the top domestic market share. This is an opportunity to be part of a significant transformation, migrating a 28-year-old enterprise product to a modern architecture.

Must-haves

Minimum 3 years of system development experience.
Desire to contribute to value creation in a self-developed product.
Willingness to engage with or develop products in the accounting domain.
Must be able to work onsite in Tokyo.

Nice-to-haves

Backend development experience with web or business applications.
Experience in team leadership (any scale or duration).
Interest in and habit of learning new technologies and development methods.
Experience developing BtoB SaaS products.

Tech stack

GoAWSC#JavaScriptC++TypescriptPostgreSQLOracleAWS DynamoNginxContainer

Work style

Flex-time (core hours 11:00-15:00), Onsite in Tokyo.

Other notes

Annual salary: ¥8,000,000 - ¥12,000,000. Average monthly overtime is around 10 hours.

About the Company

株式会社ディーバ

Headquarters

東京都新宿区西新宿六丁目5番1号新宿アイランドタワー42階・43階

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Posted8/5/2026

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