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Security Engineer (시스템 보안)
Build and operate endpoint-security solutions for Toss Bank, including device security, access control, AI-driven security, and supply-chain defenses.
Device Hardware Quality Engineer
Leads hardware quality for Toss’s payment terminals, defining tests, auditing global manufacturing partners, and driving root-cause fixes to hit yield and reliability targets.
iOS Developer
Build and maintain Toss’s super-app iOS features for payments, banking, and investing using Swift, RxSwift, and modular architecture.
Channel Account Manager
Channel sales manager at Toss Place, building partner networks to deploy payment terminals and POS software in retail stores, focusing on VAN agents and strategic partnerships.
Device Software Engineer (Android)
Develops and optimizes Android-based payment terminal software, collaborating with hardware/firmware teams to resolve system-level issues (framework, HAL, native layers) and ensure real-world device stability from development to post-production.
Device Software Quality Engineer (Android)
Designs and executes QA tests for Android-based payment terminals, focusing on hardware-software integration, test automation, and field issue analysis to ensure release quality and improve testing processes.
DevOps Engineer
Build and maintain Kubernetes-based cloud-native platforms to enable fast, safe deployments and resilient operations for Toss’s offline payment ecosystem.
Node.js Developer
Build and maintain Node.js/Nest.js backend services and automation tools to streamline TossPlace’s terminal lifecycle and logistics operations using TypeScript, MySQL, and React.
Security Engineer (이벤트 분석/사고 대응)
Security Engineer at Toss analyzes security events, designs detection rules, and responds to incidents using SIEM, EDR, and threat intelligence to protect services and employee environments.
Server Developer (Platform)
Build and maintain the core server platform for Toss’s fintech services using Java/Kotlin and Spring, focusing on scalability, monitoring, and distributed systems.