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Staff Software Engineer, GTPN Platform

KR - SeoulFull-time2026-10-15 → 2026-10-16
On-site

Core

Architect distributed payment systems at global scale, designing and evolving core infrastructure for real-time local clearing, SWIFT, and proprietary treasury routing.

Role type

Staff Software Engineer (Distributed Systems & Payments)

Builds

Core treasury and payment infrastructure powering global financial products

Domain

Fintech / Global Payments / Financial Infrastructure

Required skills

Distributed systems architecture, Fault tolerance design, Idempotency, Asynchronous workflows, Multi-currency reconciliation, Settlement logic, Reliability engineering, Observability, SLA definition, Graceful degradation, Incident response, Technical direction, System design reviews

Preferred skills

Fintech domain experience, JVM ecosystem (Java/Kotlin/Spring), High-availability low-latency systems leadership

Technologies

Java, Kotlin, C++, Python, Spring, Spring Boot, SWIFT

Responsibilities

Architect distributed payment systems at global scale, Solve complex financial integrity problems by building idempotent, fault-tolerant systems, Own the reliability and observability of the payment network, Use payment telemetry to optimise routing and measure infrastructure changes, Set technical direction across a distributed engineering team

Seniority

Staff, hands-on IC with team leadership