Ranked is a job board for foreign and bilingual engineers in Japan — every Tokyo job and company scored on visa sponsorship, Japanese level, salary and prestige.
Treasure Factory Co., Ltd. buys used goods from households and sells them again through its Trefac reuse shops, which include general stores and specialist formats such as Trefac Sports Outdoor. It also runs online auctions, the Trefac moving service, the Regacy end-of-life clearing service and the Cariru dress rental site. Group companies include Kindal and Pickup Japan, with subsidiaries in Thailand, Taiwan and the US. Its head office is in the Akihabara UDX building, Sotokanda, Chiyoda-ku, Tokyo.
The company was established in May 1995 and is listed on the TSE Prime Market (code 3093). At the end of February 2026 the group had 319 stores across 13 store formats and 4,925 employees.
Measured from the 6 listings Ranked has live for Treasure Factory. Japanese level, visa signal and skills are AI-graded from each posting and can be wrong — confirm against the employer's original posting before applying.
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Full-shift part-time staff at a secondhand store in Tachikawa: tagging and shelving bought-in items, cleaning goods, serving customers at the register and listing products online.
Late-shift sales at a Treasure Factory reuse shop in Adachi: tagging bought-in goods, stocking and tidying the floor, then serving customers, the register and online listings.
Work late shifts at a Treasure Factory reuse shop selling secondhand furniture, appliances and clothing: tag and shelve items, serve customers, run the till and list goods online.
Late-shift part-time staff at Trefac Mitaka, a general reuse shop: tagging and shelving bought-in goods, tidying the floor after closing, then register and online listing.
Late-shift sales at a Trefac Sports Outdoor secondhand store: serving customers, running the till, restocking and closing-time tidying of used sports and camping gear.
Full-shift staff at a Trefac Style secondhand clothing shop: register, tagging and shelving items, appraising goods brought in, and listing stock online.