Summary
김기현 is a server-focused software engineer with 11 years of experience building cloud-native financial systems, currently working on intelligence growth at Viva Republica (Toss). He led design and implementation of an event-driven AML platform and migrated a monolithic Python settlement system to Kotlin microservices, cutting infrastructure costs dramatically while improving performance and maintainability. Comfortable across Spring Boot, Apache Kafka, AWS (ECS/EKS/MySQL), ArgoCD and monitoring tooling, he also operates identity and verification services and handles regulatory reporting. Based in Gyeonggi, South Korea, he blends pragmatic engineering with cost-conscious architecture and a background in frontend/web publishing that helps him bridge API and user-facing concerns.
11 years of coding experience
2 years of employment as a software developer
Bachelor's degree Computer Science, Bachelor's degree Computer Science at Korea Polytechnic University