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Toss

Fintech super-app for payments and banking

Server Developer

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

About the Job

Requirements

  • Have no more than three years of practical development experience.
  • Have no disqualifying impediment to international travel.
  • Be available to start in June 2024.
  • Submit a Korean-language rΓ©sumΓ© and career description that include education and employment history.
  • Be able to obtain a work visa if applying from abroad; the hiring process and work collaboration are conducted in Korean.

Responsibilities

  • Build scalable and flexible systems to support increasing payment request volumes and diverse requirements.
  • Build systems that remain stable during sudden traffic spikes, such as those caused by first-come-first-served payment events.
  • Build settlement systems that calculate large volumes of transactions quickly and accurately across hundreds of requirements.
  • Build APIs that address merchants’ business challenges in an MSA environment supporting flexible zero-downtime deployments.
  • Build OpenAPI systems connecting Toss Payments with client systems, and the ecosystem that supports OpenAPI.

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 ecosystemβ€”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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