T

Toss

Fintech super-app for payments and banking

AIOps Platform Engineer

Site Reliability EngineeringConfirmed live in the last 24 hours
Full-timeSeoul, South KoreaNo salary listedIn-person

About the Job

Requirements

  • At least 3 years of experience in data pipelines, platform engineering, site reliability engineering, or infrastructure engineering, including hands-on design, construction, and operation of open-source-based collection and analysis platforms.
  • Experience building end-to-end data pipelines, proficiency in at least one primary development language, and experience handling large-scale metrics and logs and using time-series databases and search engines.
  • Linux systems administration skills and understanding of infrastructure monitoring, networking, storage, and virtualization fundamentals.
  • Deep understanding of open-source tools and experience customizing and internalizing them.
  • Ability to independently read and apply English technical documentation.

Responsibilities

  • Design, build, and operate an infrastructure-focused AIOps platform, selecting and customizing an open-source anomaly detection engine and reducing alert noise using dynamic thresholds.
  • Build data collection pipelines for heterogeneous infrastructure data, including metrics, logs, and traces; implement integration interfaces with the internal large language model and an incident knowledge base.
  • Use time-series forecasting to proactively detect capacity exhaustion and performance degradation trends, and implement failure-propagation-path visualization and correlation analysis to support root cause analysis.
  • Work with infrastructure automation systems engineers to expand the scope of closed-loop automation from detection through diagnosis, response, and validation, and apply self-healing policies.
  • Measure trends in mean time to detect and mean time to resolve, establish an AIOps maturity roadmap, and report results.

Desired Qualifications

  • Experience building or operating an AIOps or monitoring platform and understanding of time-series anomaly detection algorithms.
  • Experience building pipelines that integrate large language model APIs and prompt engineering.
  • Experience operating private cloud or large-scale on-premises infrastructure and responding to infrastructure incidents on call.
  • Understanding of financial-sector security regulations, such as ISMS-P, and experience designing financial-data de-identification and access controls.

About the Company

Toss

Fintech super-app for payments and banking

Toss is a South Korean financial services platform that started as a peer-to-peer money transfer service and has grown into a digital 'super app' for personal finance. Its products are accessed through one mobile interface that unifies bank accounts, credit cards, loans, investments, and other financial services, including its own Toss Bank and Toss Securities. It differentiates itself by offering a broad, integrated ecosystem—combining digital banking, asset management, and brokerage services under one roof and running its own banking and securities units. Its goal is to become the leading consumer finance platform in South Korea while expanding its user base globally.

Company size
1,001-5,000
Company stage
Series G
Total funding
$1.5B
Headquarters
Seoul, South Korea
Founded
2011

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