





Tier-1 brand, popular backend role, and metro location with broad system requirements drive high competition.
Strong backend skill transferability offset by niche ecommerce/fulfilment and solver domain knowledge, making industry fit moderately sensitive.
Senior staff-level technical leadership plus mandatory high-scale backend, Kafka, and Kotlin/Java experience makes filters strict.
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Design, build, and own architecture for high-scale, real-time Tier-1 order fulfilment and planning systems impacting millions of daily ecommerce orders across Korea and Taiwan.
Lead technical direction, code review, and reliability engineering for complex distributed systems involving gRPC, Kafka event pipelines, JVM backend services, optimization solvers, and multi-region deployments.
Collaborate with cross-functional teams to translate fulfilment optimization goals into scalable technical solutions and mentor engineers to scale engineering practices.
Proven experience designing and operating large-scale, low-latency, and reliable distributed backend systems.
Strong hands-on coding skills in Kotlin or Java for backend system development.
Experience with event-driven architectures using Kafka and service-to-service communication protocols such as gRPC and REST.
Work Experience Required: Not explicitly mentioned in the JD.
Experienced in ecommerce fulfilment, supply chain, or order management systems with understanding of inventory allocation and network cost management.
Strong system design expertise covering concurrency, caching, messaging, and API design to support high QPS and Tier-1 SLAs.
Technical leadership demonstrated by setting architecture direction, driving alignment across teams, and mentoring senior engineers.