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Vulnerability Management Lead / Senior Staff Security Engineer
Lead Coupang's enterprise vulnerability management program in Seoul: drive vulnerability lifecycle and remediation with product/platform teams, and build automation for discovery, validation, tracking, and reporting across cloud, containers, and CI/CD. Core tooling includes Python scripting plus CSPM/CNAPP and DevSecOps platforms.
Staff Security Engineer(AI-Driven Vulnerability Discovery & Remediation)
Staff security engineer at Coupang leading AI-powered vulnerability discovery, validation, and remediation across the enterprise — building security agents and orchestration pipelines that integrate SAST, SCA, CSPM, and runtime telemetry, using LLM/agent frameworks like LangGraph, CrewAI, and AutoGen plus Python/Go automation.
002_UI/UXデザイナー
UI/UX designer at Jimoty, a Japanese local marketplace with ~10M monthly users, improving core web/app user flows (search, listings, detail pages), new features, LPs and banners, plus in-store promotional materials and branding for Jimoty Spot. Works closely with PdMs and engineers in a hybrid Tokyo role, and helps build design systems and AI-assisted production workflows.
AI全栈开发工程师（治理生态方向）-TikTok Shop
AI full-stack engineer on TikTok Shop's governance-ecosystem team in Hangzhou: ships B2B/B2C systems end-to-end (React/Vue frontend, Node/Python/Go/Java backend, data pipelines) and builds AI delivery-quality systems — knowledge bases, evals, automated testing — applying LLM, RAG and AI Agent engineering.
Software Engineer, Data - 데이터 가치화
Data-focused software engineer on Danggeun Market's Data Valorization team in Seoul, building scalable batch/streaming data systems, automated event logging, observability/data-quality checks, and internal data products (metrics and experiment platforms). Works with Python/Java/Kotlin/Go, AWS/GCP, and big-data tools like Spark, Flink, and BigQuery.
Software Engineer, Android
Android engineer at Daangn building and operating features for a large-scale C2C marketplace app used by millions, spanning UI development, client platform SDKs, developer tooling, and app performance monitoring using Kotlin, Jetpack Compose, and AI tools.
Network Engineer - 인프라 (네트워크, Cloud)
Designs and operates Carrot Market’s global and hyper-local network infrastructure, ensuring security, scalability, and high availability while automating operations and monitoring traffic in real time.
Software Engineer, Backend - 피드 (피드 인프라)
Builds and optimizes Daangn’s home feed system (35M+ users) by designing scalable backend infrastructure, running A/B tests, and leveraging AI to improve content serving, personalization, and experimentation speed using Go, Kafka, and Kubernetes.
Software Engineer, iOS
Build and maintain high-quality iOS apps for Carrot Market’s local-commerce platform using SwiftUI, RxSwift, and modular architecture.
Software Engineer, Backend - 로컬 잡스
Backend engineer on Danggeun Market's (Karrot) Local Jobs team, building a neighborhood job marketplace connecting job seekers with SMB and enterprise employers. Day to day: designing GraphQL APIs, event-driven architecture handling thousands of requests/sec, microservice integration, and data-driven back-office tooling using Node.js, Go, and React.
Security Engineer - 인프라 (보안, Detection & Response)
Security Engineer focused on detecting, analyzing, and responding to security incidents across customer and internal office environments, improving detection systems, and ensuring compliance with regulations to maintain trust in Daangn’s e-commerce services.
Software Engineer, Machine Learning - 검색 (품질)
Builds and serves ML models to personalize search results for a local-commerce app, using NLP, graph-based ranking, and real-time inference.
Data Analytics Engineer - 데이터 가치화
Data Analytics Engineer on Danggeun Market's (Karrot) Data Valorization team in Seoul: designs and operates company-wide data marts, defines and validates key metrics across data pipelines, and manages data quality, observability, and governance. Core stack includes SQL, Python, Airflow/dbt, and AWS/GCP cloud environments.
Software Engineer, Backend - 인프라 (공통 서비스 개발, 콘텐츠 서빙)
Build and maintain the image and video platforms that power Carrot Market’s listings and content, optimizing delivery pipelines and multi-cloud/CDN architectures for global scale.