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Toss

Jobs Hiring Discussion

38 jobs

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38 jobs Posted Sort

Server Developer (Product)

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.

Argo CD Cloud Elasticsearch Grafana Hibernate +14 skills

Server Developer (3년 이하)

합류하게 될 팀에 대해 알려드려요 Server Developer (Platform)는 서버 플랫폼팀에 속해 업무해요. 토스는 보통 작은 feature 단위의 사일로 조직으로 기획자, 디자이너, 개발자들이 소규모로 모여 서비스 제품이 만들어지는데요, 서버 플랫폼팀은 이런 사일로 조직들에서 필요로 하는 공통 기능들, 프레임워크를 만드는 팀이에요. 서버 플랫폼팀의 올해 목표는 증권 서비스들이…

Elasticsearch ELK Go Grafana Java +9 skills

Server Developer (Product) (3년 이하)

합류하게 될 팀에 대해 알려드려요 토스증권 Server 챕터에는 무언가를 함께 만들어내서, 보다 나은 가치를 만들고자 하는 동료들이 정말 많아요. 예를 들어, 아이디어를 냈을 때 "이래서 안 돼!", “이미 잘 되고 있는데 굳이 바꿔야 하는 거야?” 보다 "이렇게 하면 그걸 해낼 수 있겠다."라는 마인드를 가진 분들 말이죠. 자신의 의견을 서슴지 않게 이야기할…

Elasticsearch ELK Grafana Hibernate InfluxDB +12 skills

Server Developer (Platform)

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

Elasticsearch ELK Go Grafana Java +9 skills

Server Developer (Product)

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.

Elasticsearch ELK Grafana Hibernate InfluxDB +12 skills

Server Developer (Product) (3년 이하)

#LI-DNI 합류하게 될 팀에 대해 알려드려요 특정 제품이나 문제 영역을 해결하는 사일로/팀에 속해 Product Owner, Product Designer, Frontend Developer, Hardware Engineer 등 다양한 직군의 동료들과 협업해요. 한 번도 달성해 본 적 없는 새로운 혁신을 만들기 위해 매일 치열한 고민을 나누고, 스스로 결정하고, 자율적으로 실행해 볼…

Argo CD Cloud Elasticsearch Grafana Hibernate +14 skills

Data Engineer (DataOps)

DataOps engineer in Toss Securities' Data Infra Team, operating the Elasticsearch-based log/search platform, Milvus vector search, and a data-dedicated Kubernetes deployment platform with CI/CD pipelines so data workloads ship fast while meeting financial compliance standards.

Airflow Argo CD Ceph CI/CD ClickHouse +27 skills

Data Engineer (금융데이터/재무)

Builds and maintains scalable data pipelines for financial market data, transforming raw disclosures and market feeds into structured investment insights using Python, SQL, and distributed systems.

AI Airflow API Claude Code ClickHouse +10 skills

Data Engineer (금융데이터/자문)

Builds and operates data pipelines for Toss Securities’ wealth-management advisory services, integrating partner portfolio data, customer behavior, and regulatory-grade analytics to power portfolio recommendations and content.

AI Airflow API Claude Code ClickHouse +11 skills

Data Engineer (Realtime)

Build and optimize real-time data pipelines for Toss Securities, using Kafka, Flink, and OLAP systems to process high-volume financial transactions instantly.

ClickHouse Data Engineering Flink Java Kafka +2 skills

DevOps Engineer

Build and maintain Kubernetes-based cloud-native platforms to enable fast, safe deployments and resilient operations for Toss’s offline payment ecosystem.

Argo CD AWS CI/CD Cloud Cloud Native +26 skills

100M – 150M KRW

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.

API API Gateway Argo CD Cloud DevOps +19 skills

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.

Argo CD AWS Cloud Containerd DevOps +20 skills

Data Engineer (Finance)

Builds and maintains finance-focused data platforms for accounting and ALM simulations using Hadoop and open-source tools, collaborating closely with finance teams.

Data Engineering Hadoop Java Python

Data Engineer (Platform)

Builds and optimizes Toss Bank’s hybrid data platform (Hadoop, Airflow, Trino/Impala, BI tools) and migrates workloads to AWS/GCP, ensuring scalable, reliable data access for analysts and engineers.

AI Airflow AWS BigQuery Data Engineering +17 skills

DevOps Engineer

Build and maintain Kubernetes-based cloud-native infrastructure at a leading Korean fintech company, automating deployments and improving developer experience.

AWS CI/CD Cloud Cloud Native DevOps +14 skills

DevOps Engineer

Build and refine CI/CD pipelines and Kubernetes-based infrastructure for Toss Securities, focusing on developer experience and robust monitoring to enable rapid, safe deployments.

Argo CD AWS Ceph CI/CD Cloud +26 skills

DevOps Engineer [산업기능요원/전문연구요원]

Build and refine Kubernetes-based CI/CD pipelines and observability tooling to help Toss developers deploy and debug services at scale.

AWS CI/CD Cloud Cloud Native DevOps +14 skills

Finance Data System Developer

Works as a Finance Data System Developer on the Finance Data Platform team at Toss Bank, designing and managing financial analysis marts and ALM simulation systems using Hadoop Ecosystem, Java, Python, and SQL.

Hadoop Java Python

Security Researcher (모바일보안)

Build and integrate automated mobile-app security tools (anti-tampering, obfuscation, crypto, SAST/DAST) into CI/CD to harden Toss’s Android and iOS apps.

Android CI/CD C++ Cryptography DevSecOps +11 skills