As a Customer Reliability Engineer, you will investigate and support technical problems for users of the Messaging Platform, ensuring high-quality service.
LY Corporation is an internet group formed in October 2023 through the reorganization of LINE Corporation, Yahoo Japan Corporation and related companies. Its services include the LINE messaging app; Yahoo! JAPAN search, news and other media; online shopping, auctions and travel; and PayPay payments and financial services for consumers and businesses.
The group earns revenue from online advertising, commerce and service fees, membership services, and financial operations. Its business portfolio also includes enterprise tools such as LINE Official Account and group companies including ZOZO and ASKUL. Consolidated revenue reached ¥2.036366 trillion in FY2025, the year ended March 31, 2026.
- Can be worked in English
- 4 of 4
- Visa-sponsorship signal
- 4 of 4
- Most requested
- Java 1
- Kotlin 1
- Kubernetes 1
- MongoDB 1
- No Japanese level detected 4
- Common areas
- Backend engineering 3
- Technical support 1
Measured from the 4 listings Ranked has live for LINE Yahoo. 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.
4
open positions at LINE Yahoo
As a core member of the Messaging Platform team, you will design, implement, and operate scalable backend services that process billions of messages daily.
Design, implement, and operate scalable backend services for processing billions of messages daily across the LINE ecosystem.
We are looking for an experienced Backend Software Engineer to join the team behind LINE's Messaging Platform. This role involves designing, implementing, and evolving critical backend systems that enable global real-time communication at scale.