T

Toss

Fintech super-app for payments and banking

Data Analytics Engineer

Data Management +1Confirmed live in the last 24 hours
Full-timeSeoul, South KoreaNo salary listedIn-person

About the Job

Requirements

  • Proficiency in Python and PySpark programming in a Hadoop ecosystem environment.
  • Experience processing large-scale data using distributed-processing engineering such as Spark.
  • Understanding of Data Mesh and Medallion Architecture, with experience in data modeling.
  • Understanding how distributed query engines operate and ability to tune them.
  • Experience improving batch-job efficiency through ETL processes and Airflow orchestration optimization.
  • Ability to propose standards from the perspective of clear data structures and efficient data use, rather than merely handling requests.
  • Ability to communicate with stakeholders to clarify and organize data requirements.

Responsibilities

  • Design clear data structures, comply with standards, implement and manage data-processing logic, validate data consistency, and monitor data quality to provide understandable and reliable data.
  • Automate or standardize inefficient or repetitive data-related work.
  • Use open-source tools to process and optimize large-scale data.
  • Model and operate data based on Data Mesh and Medallion Architecture.
  • Develop and operate company-wide common data pipelines.
  • Define and develop company-wide data-mart standards and manage data quality.
  • Develop company-wide data tools, including the Data Catalog system and Tableau integrations.
  • Develop and operate data marts used for analytics and contribute to their operational outcomes.

Desired Qualifications

  • Experience developing or building data marts for data aggregation needed for analytics, or work related to data analytics supported by strong domain understanding.

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

Recently Posted Jobs

Explore more opportunities at Toss

See more jobs