Toss

Server Developer [Commerce]

Elasticsearch Generative AI Hadoop Kafka Kotlin +7 skills

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.

120M – 200M KRW

Server Developer (Financial Marketplace)

AI Flink Hadoop Kafka Kotlin +4 skills

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.

120M – 200M KRW

Server Developer (Business Foundation)

Builds and maintains Toss’s core authentication, fraud detection, and B2B platform services that power the entire fintech app ecosystem.

Server Developer (Market Platform)

API Kafka Kotlin MySQL NATS +2 skills

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 (Platform)

API Argo CD Cloud DevOps Elasticsearch +17 skills

Build and maintain the core server platform for Toss’s fintech services using Java/Kotlin and Spring, focusing on scalability, monitoring, and distributed systems.

Server Developer (Platform)

API Argo CD Cloud Docker ELK +17 skills

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 (Platform)

Elasticsearch ELK Go Grafana Java +9 skills

Builds shared backend services and frameworks in Java/Kotlin with Spring to help teams launch and scale securities services efficiently.

Server Developer (Platform Division)

Open 64d APACContract

Builds and operates backend platforms for payments, settlements, contracts, and personalized services at a leading South Korean fintech company.

AI CRM Machine Learning

Server Developer (Product)

Elasticsearch ELK Grafana Hibernate InfluxDB +12 skills

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.

Server Developer (Product)

Hadoop Kafka Kotlin MongoDB MySQL +2 skills

Builds and maintains the backend for Toss’s consumer-facing apps (payments, shopping, ads, etc.) using Kotlin, Spring, and distributed systems at scale.

Server Developer (Product)

AWS Cloud Docker Elasticsearch Git +11 skills

Builds and scales server systems for Toss Income, a fintech service simplifying tax refunds and income management using Kotlin, Spring, and AWS.

Server Developer (Product)

Argo CD Cloud Elasticsearch Grafana Hibernate +14 skills

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.

Server Developer (Product)

Argo CD Cloud Docker ELK Git +16 skills

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.

120M – 200M KRW

Server Developer [산업기능요원/전문연구요원] (Product)

Builds and maintains backend services for Toss’s fintech platform, focusing on scalability and reliability.

Server Developer (SRE)

Docker Git Gradle Grafana Hibernate +10 skills

Builds and operates resilient payment infrastructure, focusing on stability, scalability, and low latency using Java, Kubernetes, and observability tools.

[비공개] Software Engineer

Builds and maintains core financial infrastructure for a leading payments and fintech platform.

Strategic Finance Manager (FP&A)

합류하게 될 팀에 대해 알려 드려요 토스플레이스는 매장의 결제 경험과 운영 경험을 혁신하기 위해 결제 단말기 및 다양한 서비스를 개발하고 있으며, 시장에서 빠르게 확장하고 있어요. 토스플레이스의 Strategic Finance Manager 포지션은 회계, 자금, 정산, 전략 팀으로 구성된 Finance팀에 속해 있어요. 토스플레이스의 첫 번째 FP&A 담당자로서 팀의 방향을 함께…

SAP Tableau

System Security Team Leader