GrepJob
Bjak

Backend Software Engineer - Finance Super App (Korea)

Bjak
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about 3 hours ago
Seoul, Korea, SouthMid Level / Senior

Responsibilities

  • Build backend services, APIs, and workflows for the finance super app.
  • Support products across insurance, payments, wallet, savings, investing, travel, and financial services.
  • Design reliable systems for user accounts, transactions, partner integrations, and operations.
  • Work with product and mobile teams to quickly ship customer-facing journeys.
  • Integrate with banks, payment gateways, insurers, and data providers.
  • Improve system reliability, observability, security, and performance.

Requirements

  • 3+ years of backend engineering experience.
  • Strong fundamentals in APIs, databases, system design, and production debugging.
  • Experience building scalable services and integrating third-party systems.
  • Good understanding of security, reliability, and data quality.
  • Able to make practical trade-offs between speed, quality, and risk.
  • Experience in fintech, payments, insurance, lending, or banking is a strong advantage.

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