Lead the design, development, and operation of the internal operation system supporting the circulation of used devices.
About this role
Belong, which builds an ecosystem for used smart devices under the mission of delivering next-value people can be proud of, is hiring a Senior Backend Engineer. Serving individual, corporate and internal stakeholders with different needs, the company solves problems flexibly through in-house development, and seeks engineers who can build scalable, highly available and robust web services, APIs, data-analysis infrastructure and generative AI. Expected work includes developing internal/external APIs (Go/Python), integrating with services and APIs via HTTP and gRPC, designing and operating CloudSQL databases, releases, operations, incident response and on-call, team building, and gathering and documenting information from management and product owners; specifics include developing the NiceSmar EC and buyback services, inventory/sales-management systems, a B2B SaaS launch, master-data construction, and GenAI (AI agents, RAG hosting, data connectors, vectorization). Office attendance about 2-3 days/week. Full-time (seishain), based at the Tokyo head office in Akasaka. The posting is written in Japanese.
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