Employer description & source details
10 to 12 years of professional software engineering experience, with demonstrated leadership of complex backend initiatives spanning multiple teams. Deep experience building and running distributed systems in cloud-native environments (GCP, Kubernetes). Strong backend skills in Go (or proven ability to be productive in Go quickly), including API design and testing. Proven delivery of large, customer-visible product surfaces, not only internal services. Strong system design, data modeling and production debugging, with experience running systems at 99.95% availability. Ability to influence architecture across multiple teams without formal authority. Hands-on experience applying AI/LLMs to improve engineering productivity, such as coding agents, AI-assisted review, testing or debugging. Clear written and verbal communication, including explaining architecture decisions and risks to technical and non-technical stakeholders. Cross-border e-commerce, payments, multi-currency or multi-region systems. Search, personalization or data platforms (e.g., Elasticsearch, event streams, ML pipelines). BFF API design and familiarity with React or mobile clients. Integrating with third-party partners or external APIs at scale. Driving platformization or tech simplification. Experience developing AI agents, or building AI-powered developer tooling for other engineers. Mercari's JP marketplace domain and internal platforms. Cross-border specifics like duties, tax, logistics and region rules.
Extracted skills: react, go, gcp, kubernetes