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Staff, Back-end Engineer (Marketplace Platform)

Seoul💼 Full-time🗓 2026-06-16 → 2026-07-31

Core

Design and develop a highly scalable distributed marketplace platform enabling third-party sellers to publish products, fulfill orders, and receive payments globally.

Role type

Staff, Back-end Engineer (Marketplace Platform)

Builds

Global marketplace platform for B2B e-commerce, supporting tens of thousands of sellers and tens of millions of products.

Domain

E-commerce / B2B Marketplace / Distributed Systems

Deliverable

production ML models | product features | infrastructure

Required skills

Distributed system architecture, Open Source software development, Java/Python/Scala, Hadoop/Spark, RDBMS, NoSQL databases, Service-oriented architecture, SDLC

Preferred skills

Mentoring junior engineers, Cross-functional collaboration, Technical decision making

Technologies

Java, Python, Scala, Hadoop, Spark, MySQL, PostgreSQL, HBase, MongoDB, Dynamo DB, Cassandra

Responsibilities

Design and develop scalable distributed systems for the marketplace platform; Define, design, and develop software for the Seller Intelligence platform; Collaborate with Product Owners and operations to drive feature enhancements; Mentor junior development engineers; Participate in the full development lifecycle from architecture to deployment.

Seniority

Staff, hands-on IC with mentorship responsibilities

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