Jobs in Japan
Explore hand-picked jobs in Japan for English speakers across tech, education, marketing, and more.
Vetted companies only. Apply from overseas.
Explore hand-picked jobs in Japan for English speakers across tech, education, marketing, and more.
Vetted companies only. Apply from overseas.
MercariThis position does not have a Japanese job description available.
- Strong networking fundamentals (TCP/IP, IP address management, OSI layers 4–7, cloud routing, CDN, DNS, TLS, HTTP) - Production experience building and operating cloud networks using GCP or AWS - Production experience building and operating Linux and Kubernetes networking - Knowledge of network proxies (Envoy, HAProxy, Nginx) and regional/VPC routing - Production experience operating CDNs (e.g., edge/cache configuration, multi-CDN, performance and security) - Production experience with a service mesh such as Istio (e.g., traffic management, reliability practices) - Ability to automate network-related workflows using any familiar language ( Go, Python or Bash etc ) and to deliver capabilities as a service - Experience managing network configuration using Infrastructure as Code (IaC) - Experience writing design documents, collaborating with stakeholders, and making technical decisions - A track record of developing tools for internal users and improving platform operations - On-call and production troubleshooting experience for reliability-critical systems (incident response, debugging, and root cause analysis) - Empathy with Mercari's mission and values
- Passion for delivering a pleasant user experience through the platform and supporting operational efficiency - Experience building and operating networks in large-scale distributed systems composed of hundreds of microservices - Production experience operating service meshes such as Istio or Linkerd - Experience architecting scalable, highly available infrastructure or middleware (e.g., control planes, Kubernetes operators/CRDs, or service-as-a-platform APIs) - Experience with agent-driven workflows and usage of agentic tools such as Claude, Cursor, and Codex - Experience developing and maintaining CI/CD pipelines (e.g., GitHub Actions, Argo CD)
