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About the role As a Software Engineer III at Inspectorio, you will be responsible for working with cross-functional teams including product owners, designers, and quality assurance engineers to conceptualize, develop,…
Designs and operates scalable data pipelines (ingestion, streaming, batch) for real-time user behavior analytics, enabling targeting, recommendations, and performance tracking in a fintech platform. Core techs: Spark, Kafka, Flink, Airflow, and distributed storage (HBase, Cassandra).
Build and maintain Kubernetes-based cloud-native platforms to enable fast, safe deployments and resilient operations for Toss’s offline payment ecosystem.
Build and maintain cloud-native infrastructure on AWS EKS to enable fast, secure deployments for insurance products using Kubernetes, Terraform, and observability tools.
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.
Designs and operates ultra-high-performance AI infrastructure (GPU clusters, InfiniBand, Kubernetes) for Toss Securities' ML services, optimizing resource use and eliminating bottlenecks.
Builds and operates a machine-learning platform for a securities app, focusing on LLM serving, gateway systems, and MLOps tooling in Kubernetes.
Security Engineer in the Security Purple Team, responsible for designing, building, and operating SIEM (Splunk, Opensearch, Elasticsearch) and log pipelines (NIFI, KAFKA, Hadoop) across On-Prem, AWS, and K8S environments, focusing on log collection, analysis, and automation.
Develops and maintains payment systems, focusing on scalability and reliability. Core technologies include Java, Kotlin, Spring, Redis, Kafka, and MySQL.
📢 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…
Builds and scales high-traffic ad-serving backends for Toss’s in-app ad platform, using Kotlin/Spring and distributed systems like Kafka and Redis.
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.
Build and maintain the core server platform for Toss’s fintech services using Java/Kotlin and Spring, focusing on scalability, monitoring, and distributed systems.
Builds shared backend services and frameworks in Java/Kotlin with Spring to help teams launch and scale securities services efficiently.
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.
Builds and scales server systems for Toss Income, a fintech service simplifying tax refunds and income management using Kotlin, Spring, and AWS.
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.
Maintains and scales Toss’s payment and financial services infrastructure to ensure high availability and performance using cloud-native tools and DevOps practices.
Builds and maintains a global financial data platform for securities, processing real-time market data with AI/ML pipelines using Kafka, Spark, and Iceberg.
Senior/Lead Data Engineer responsible for end-to-end data architecture, cloud-native pipeline development (primarily Azure stack), and mentoring engineers, working 2 days in-office in Warsaw.
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