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Software Engineer - B2C Product (Backend Logic)

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About this role

Belong, an in-house startup of Itochu operating a refurbished-smartphone sales, buyback and rental business, is hiring a Software Engineer for its main B2C services, focused on the backend. The role leads development including API integrations with major platform companies and industry-leading enterprises, and systematizing the buyback platform. Because the B2C business handles physical devices, Belong accumulates unique data on device condition, buyback pricing and supply/demand, and this real-plus-tech combination shapes its distinctive buyback foundation; as partners diversify from major platformers to large retailers and manufacturers, the unifying platform offers many areas where engineers have discretion. The current B2C backend is in a small-elite launch phase. Services include the refurbished-phone EC "NiceSmar" and its buyback service. Office attendance about 2-3 days/week. Full-time (seishain), based at the Tokyo head office in Akasaka. The posting is written in Japanese.

Job details

Location
Tokyo
Employment
Full-time
Japanese
Japanese
Posted
2026-07-13
Category
Software & IT

About Belong

Belong is a Japanese company in the reuse and circular-economy space, running services for buying and reselling used smartphones and devices.

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Company details

Size
Startup

AI-generated overview — may be incomplete or wrong, so don't rely on it fully.

This is an AI-generated summary of the employer's original posting — details can be incomplete, out of date or simply wrong. Always confirm everything on the official posting before applying.