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Toss

Fintech super-app for payments and banking

Frontend Developer

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

About the Job

Requirements

  • Proficiency with React and other single-page application frameworks.
  • Experience with static type analysis of JavaScript using TypeScript or Flow.
  • Ability to abstract complex requirements into simpler problems and implement solutions in code.
  • Ability to proactively identify, analyze, and solve problems.

Responsibilities

  • Build the POS product for store operations using web technologies, supporting Windows, macOS, Android, and iOS from a single codebase.
  • Develop desktop and mobile webpages, including owner dashboards, partner tools, homepage, table ordering, and pickup ordering.
  • Build SDKs and plugins that allow partner companies to use Toss Place's ordering and payment logic.
  • Develop products including POS, kiosk, B2B plugins and developer center, table ordering, pickup ordering, Toss Place Partners, Place One, and franchise dashboards.
  • Create maintainable code and robust payment logic to support long-lived services where payment stability is important.

Desired Qualifications

  • Experience with static type analysis of JavaScript using TypeScript or Flow.

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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