Toss

Server Developer (생산성)

Hadoop Kafka Kotlin MongoDB MySQL +2 skills

Builds and maintains scalable backend services powering Toss’s fintech products like payments, loans, and ads using Kotlin/Spring, MySQL, Kafka, and Redis.

Server Developer (3년 이상)

Cloud DevOps Elasticsearch Gradle Java +12 skills

Develops and maintains payment systems, focusing on scalability and reliability. Core technologies include Java, Kotlin, Spring, Redis, Kafka, and MySQL.

API Cloud Elasticsearch Gradle Java +9 skills

📢 지원자 모두에게 코딩테스트 전형의 기회가 주어져요 오직 토스페이먼츠에서만 할 수 있는 경험 “시행착오를 줄여주는 동료들과 함께 나의 가능성을 새롭게 발견해요” 토스페이먼츠를 활용하는 여러 가맹점에 영향을 미치는, 20년 이상의 장기적인 수명을 가진 제품을 만들어요. 이전 기술의 히스토리를 모두 파악하고 이를 토대로 개선 방안을 찾는, 높은 복잡도와 난이도를 가진 업무들을 경험할 수…

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 (Messaging Platform Team)

ELK Grafana Hibernate Java JPA +9 skills

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.

Server Developer (Platform)

API API Gateway Argo CD Ceph Cloud +19 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 (Server Platform Team)

API API Gateway Argo CD Cassandra Cloud +26 skills

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.

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 Ceph Cloud Docker ELK +17 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)

Control-M Docker Git Gradle Grafana +11 skills

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

Site Reliability Engineer (SRE Team)

Argo CD Cassandra Ceph Cloud Docker +22 skills

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.

[비공개] Software Engineer

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

Strategic Finance Manager (FP&A / 10년 이상)

합류하게 될 팀에 대해 알려드려요 토스증권의 FP&A Manager 포지션은 Finance Division에 속해있어요. Finance 유관팀은 물론, 사업부 리더, 상품팀, 데이터팀, 전략팀과 긴밀하게 협업해요. FP&A 팀은 금융/증권업 외에도 플랫폼/종합상사/커머스 등 다양한 백그라운드를 갖고 있어요. 토스증권의 혁신적 여정을 윤택하게 할, 업계 최고`의 Finance…

Systems Engineer

Builds, troubleshoots, and operates server/storage/backup systems and cloud/IDC infrastructure that power Toss Payments’ fintech services.

Nginx

Systems Engineer (가상화)

Builds and optimizes virtualized infrastructure (VMware, KVM) for Toss Securities, integrating with Kubernetes and designing monitoring solutions to support high-traffic financial services.

Kubernetes VMware

Tech Lead (Frontend)

Open 110d APACLead

Angular CI/CD CircleCI GitHub GitHub Actions +6 skills

Lead the frontend team at Toss Income, building and scaling web apps inside the Toss app ecosystem using React, TypeScript, and Next.js to improve tax and income services.

Tech Lead (Server)

Open 110d APACLead

Flink Hadoop HBase Java Kafka +4 skills

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.

Technical Account Manager (Global)

회사 소개 토스페이먼츠팀은 대한민국 전자결제 시장을 새롭게 바꿔나가는 것을 목표로 합니다. 온라인과 모바일 커머스 시장의 확대에 따라 일상 생활에서 뗄 수 없는 결제 서비스, 토스페이먼츠가 기술 및 비즈니스 모델 혁신을 통해 사업자들과 소비자 모두에게 혜택이 돌아갈 수 있는 새로운 결제 서비스 경험을 제공하고자 합니다. 주요 업무 토스 결제가맹점 기술 연동에 필요한 프로세스 리딩…