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Toss

Fintech super-app for payments and banking

Server Developer - Product

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

About the Job

Requirements

  • At least one year of practical work experience.
  • Experience designing and operating highly available, scalable systems.
  • Experience developing systems that handle large-scale real-time traffic.
  • Experience responding to and resolving incidents.

Responsibilities

  • Design and develop servers for services used daily by Toss users.
  • Use technology to ensure services operate reliably.
  • Listen to user feedback and resolve problems quickly and flexibly.

Desired Qualifications

  • Strong attachment to the service and an ownership mindset.
  • Willingness to share insights gained through service development and pursue ongoing technical challenges.

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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