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Toss

Fintech super-app for payments and banking

Network Engineer - Edge

Network Engineering & AdministrationConfirmed live in the last 24 hours
Full-timeSeoul, South KoreaNo salary listedIn-person

About the Job

Requirements

  • At least 3 years of experience building and operating networks.
  • Hands-on operating experience with IPsec VPNs and L4/L7 switches.
  • Understanding of TCP/IP and TLS (HTTPS) communications, with experience solving related problems.

Responsibilities

  • Design, build, and operate network infrastructure across data-center Fabric, data-center interconnect (DCI), and other network layers in a data-center and public-cloud environment.
  • Design networks suited to uninterrupted services, continuously validate Active-Active center redundancy, analyze issues, and incorporate structural improvements through technical validation.
  • Automate repetitive operational work and improve monitoring systems to continuously raise network operations standards.
  • Design, build, and operate networks connecting financial services and external institutions.
  • Build and operate monitoring systems to support uninterrupted services.
  • Optimize networks and troubleshoot a range of issues to maintain service quality.

Desired Qualifications

  • Experience understanding financial-sector and API communication flows and building and operating end-to-end communication networks with external institutions.
  • Experience operating public cloud platforms such as AWS, GCP, or Azure.
  • Experience tracing and resolving network problems collaboratively with colleagues.
  • Experience improving monitoring and operations using open-source or AI tools.
  • Experience expanding one's technical scope through new network-improvement 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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