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Toss

Fintech super-app for payments and banking

Server Developer - Commerce

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

About the Job

Requirements

  • At least 1 year of professional experience.
  • Experience in the commerce domain is not required.
  • Experience designing and operating systems that require both fast response times and high data consistency.
  • Ability to maintain stability and predictability amid diverse requests and changing conditions.
  • Ability to structure complex domains simply and consistently and adapt flexibly to change.

Responsibilities

  • Design and operate diverse systems that make up end-to-end commerce flows, including search and recommendations, merchandising, product registration, orders and payments, promotions, and automation.
  • Develop features in a connected environment involving large-scale traffic feeds, structured product data, settlement-ready price calculations, and automated operational workflows, while considering stability and scalability.
  • Consider end-to-end system architecture and data flows, and design systems to continue operating well over time.

Desired Qualifications

  • Ability to go beyond solving problems and collaboratively define the problems to be addressed.

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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