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Toss

41 jobs

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41 jobs Posted Sort

Security Engineer

Security Engineer (infrastructure security) on Toss Securities' security team: identifying and fixing infrastructure security threats, data-leak paths, and compliance gaps across hybrid on-prem + cloud (AWS/Azure/GCP) environments, building ZTNA/SSE and zero-trust controls, strengthening Kubernetes/container security, and automating with Terraform and Python/Go.

AI AWS Azure Cloud CSPM +7 skills

Marketing Team Leader (Global)

합류하게 될 팀에 대해 알려드려요 Marketing Team Leader로 입사하시면 토스코어 Marketing Team에 합류하게 되어요. Growth/Revenue 관점에서 전사적 우선순위에 따라 모든 마케팅 영역을 다루고 있어요. 목표를 달성할 때까지 끊임없이 시도하고, 모든 결과를 숫자로 증명하는 팀이에요. 합류하면 함께 할 업무에요 프로덕트 마케팅 A to Z에 대한 이해를…

CRM Python Spark SQL

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…

Elasticsearch Generative AI Hadoop Kafka Kotlin +7 skills

Server Developer (Commerce)

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.

Elasticsearch Generative AI Hadoop Kafka Kotlin +7 skills

120M – 200M KRW

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 (금융데이터/AI)

Builds and maintains a global financial data platform for securities, processing real-time market data with AI/ML pipelines using Kafka, Spark, and Iceberg.

Agentic AI AI Airflow Argo CD ClickHouse +15 skills

Data Engineer (금융데이터/DRE)

Open 24d APACContract

Data Reliability Engineer at Toss Securities (Seoul) who owns the full lifecycle of financial data — disclosures, earnings, market prices, news — designing and running ingestion/validation pipelines and a data-quality platform with data contracts and lineage tracking. Core stack: Python, SQL, Airflow, Kubernetes, and distributed query engines like Spark, Impala, and ClickHouse, with LLM-based auto

AI Airflow Argo CD Claude Code ClickHouse +17 skills

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.

API Bash Network Security Python

Anti-Fraud Manager

합류하게 될 팀에 대해 알려드려요 토스뱅크의 Anti-Fraud팀은 리스크 디비전 소속이에요. Anti-Fraud Manager는 다양한 경력과 Skill을 보유하고 있는 Anti-Fraud Manager들과 업무를 같이하고, 상품팀 등 유관 부서와 협업하고 있어요. 비대면 대출에서 발생할 수 있는 Fraud Risk 예방 전략을 수립하고 실행하고 있어요. 합류하면 함께 할 업무에요 신청…

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

Data Product Manager (Log)

Design and enforce logging standards across Toss Bank’s apps and servers to ensure consistent, high-quality data for analytics and operations.

Airflow CI/CD JSON Python SQL

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

IT Auditor

IT Auditor at Toss performs data-driven audits of financial systems, focusing on risk identification, regulatory compliance, and AI/data integrity controls using Python, SQL, and analytics.

AI CI/CD Python SQL

IT SOX Manager

합류하게 될 팀에 대해 알려드려요 IT SOX Manager는 SOX Team에 소속되어 비바리퍼블리카의 내부회계관리제도(ICFR)를 기반으로, IT SOX Program의 운영·평가·보고를 담당해요. ITGC와 ITAC 통제 및 시스템 책임자가 주요 통제를 효과적으로 수행할 수 있도록 지원하고, 발견된 이슈를 개선할 수 있도록 도와요. IT, Information Security,…

Cissp FinOps Python SQL

ML Backend Engineer

Designs and builds backend services for AI-driven banking products, focusing on scalable ML model serving and robust server architecture in a microservices environment.

AI Kotlin Machine Learning Python

100M – 150M KRW

ML Engineer (커뮤니티 추천)

Build and improve a community-feed recommendation system for a stock-trading app used by 4 million monthly active users, using Python, PyTorch, and cloud-native serving stacks.

API ClickHouse Elasticsearch FastAPI Grafana +17 skills

120M – 200M KRW

Network Security Engineer (5년 이상)

Designs, deploys, and maintains network security infrastructure (firewalls, VPNs) to protect Toss Securities’ high-volume financial and commerce platforms, ensuring 24/7 uptime while optimizing traffic and automating operations with scripting/APIs.

AI Ansible API EKS Firewall +11 skills