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Toss

Fintech super-app for payments and banking

Data Engineering Specialist

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

About the Job

Requirements

  • A solid foundation in computer science fundamentals, including operating systems, networks, databases, data structures, and algorithms.
  • Willingness to deeply study and think about distributed processing environments, even without direct prior experience.
  • Understand how previously used technologies work, beyond merely implementing them.
  • Understand the nature of operational work and be able to approach it responsibly.

Responsibilities

  • Monitor real-time data pipelines to ensure enterprise data is continuously and safely collected, and respond to incidents with the team to maintain platform stability.
  • Operate CDC pipelines for thousands of databases, including MySQL, MongoDB, and Oracle, and add pipelines for new table requests.
  • Process Iceberg tables in a Hadoop environment using PySpark and Airflow, and migrate log tables to meet compliance, redundancy, and backup requirements.
  • Participate in development to enhance the CDC platform and reduce repetitive work and monitoring burden.

Desired Qualifications

  • Experience with technologies such as Iceberg, PySpark, and CDC.

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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