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서버 개발자 (Commerce) (Server Developer)
Builds and operates core commerce systems (search, recommendations, orders, payments, ads) for Toss Shopping, a fast-growing B2C marketplace, using Kotlin/Spring and distributed data stacks.
Server Developer (Financial Marketplace)
Builds and operates scalable backend systems for a Korean fintech super-app’s financial marketplace, handling loans, cards, insurance, and accounts while integrating AI-driven automation.
Server Developer (User Growth)
Builds and operates high-traffic growth features in Toss’s app—like rewards, events, and analytics—using Kotlin/Spring and distributed systems to drive user growth and revenue.
서버 개발자 (Market Platform) (Server Developer)
Develops and optimizes high-performance real-time trading platforms (e.g., stock market data feeds) for Toss Securities, designing scalable architectures for APIs/WebSockets, low-latency event processing, and inter-institution communication using Go, Kotlin/Spring, and Kafka.
Server Developer (Messaging Platform Team)
Server Developer building and operating Toss's messaging platform (push, Alimtalk, email) and A/B testing infrastructure using Kotlin, Java, Spring Boot, Kafka, and MySQL/MongoDB/Redis.
서버 개발자 (Platform) (Server Developer)
Build and maintain the core server platform for Toss’s fintech services using Java/Kotlin and Spring, focusing on scalability, monitoring, and distributed systems.
서버 개발자 (Platform) (Server Developer)
Builds and operates high-availability platform services for Toss Bank, including messaging, API gateways, monitoring, and caching, using Kotlin/Java and Spring ecosystems.
Server Developer (Server Platform Team)
Build and maintain the core platform infrastructure supporting all Toss services—distributed systems, API gateways, and developer productivity tools. Work with Kotlin/Java, Spring Boot/Cloud, Redis, Kafka, and Kubernetes to improve performance, security, and reliability across a high-traffic fintech environment.
서버 개발자 (Platform) (Server Developer)
Builds shared backend services and frameworks in Java/Kotlin with Spring to help teams launch and scale securities services efficiently.
서버 개발자 (Product) (Server Developer)
Build and maintain server-side components for Toss Securities using Java/Kotlin, Spring, Redis, Kafka, and Kubernetes, focusing on high-traffic trading systems and real-time data processing.
서버 개발자 (Product) (Server Developer)
Builds and maintains the backend for Toss’s consumer-facing apps (payments, shopping, ads, etc.) using Kotlin, Spring, and distributed systems at scale.
서버 개발자 (Product) (Server Developer)
Builds and scales server systems for Toss Income, a fintech service simplifying tax refunds and income management using Kotlin, Spring, and AWS.
서버 개발자 (Product) (Server Developer)
Designs and develops high-availability, scalable server systems for Toss’s offline payment solutions, focusing on system architecture, real-time traffic handling, and end-to-end service reliability using Java/Kotlin, Spring, Kafka, and cloud-native tools.
서버 개발자 (Product) (Server Developer)
Builds and maintains scalable, secure banking services using Kotlin/Java and Spring, focusing on high-traffic systems and innovative fintech products in a collaborative squad model.
Site Reliability Engineer (SRE Team)
Site Reliability Engineer at Toss in Seoul, maintaining and improving the stability, scalability, and performance of high-traffic systems using Kubernetes, Java/Kotlin, and monitoring tools.
Tech Lead (Server)
Leads the Data Platform team at Toss, building and operating scalable data pipelines and distributed systems (Hadoop, Kafka, Spark, Flink) to power real-time analytics and services for Korea’s leading fintech app.
Site Reliability Engineer
Maintains and scales Toss’s payment and financial services infrastructure to ensure high availability and performance using cloud-native tools and DevOps practices.
Server Developer (Finance Product)
# 합류하게 될 팀에 대해 알려드려요 - Finance Product Division은 토스의 서비스에서 발생하는 계약, 구매, 결제, 정산, 지급, 회계, 리스크 관리가 하나의 흐름으로 이어지도록 제품과 시스템을 만들어요. 사업이 빠르게 성장해도 돈의 흐름을 정확하게 파악하고 안전하게 운영할 수 있는 기반을 만드는 조직이에요. - Finance Product Division 에 속해…
Site Reliability Engineer
Build and maintain monitoring, observability, and performance-testing systems to keep Toss Bank’s high-traffic services stable and scalable using Kotlin/Java, Kubernetes, Istio, Kafka, and Prometheus.
서버 개발자 (Platform) (Server Developer)
# 토스 서버의 조직 구조를 알려드려요 토스의 Server Developer는 Product, Platform, Productivity 세 개의 Chapter로 나뉘어 일합니다. 직무명은 모두 같지만, 각 Chapter마다 집중하는 업무 영역에 차이가 있어요. Product Chapter는 유저가 직접 사용하는 토스의 서비스를 개발해요. 단순한 기능 구현을 넘어, 기술을 통해 비즈니스의…