개념원리
Back-End 시니어 개발자 (5년 이상)
Senior back-end developer leading architecture and code quality for new educational products at a long-running publishing company pivoting into AI-driven edtech. Designs Java/Spring services, event-driven systems, and legacy migrations while mentoring teammates and integrating AI dev tools like Claude Code.
Back-End 개발자 (3년 이상)
Backend developer at 개념원리 (a 30+ year Korean education publisher transitioning into AI-based edtech), designing and building new education services end-to-end and operating existing ones. Day-to-day work is Java/Kotlin Spring Boot API development, MySQL modeling, and AWS-based deployment and monitoring.
Front-End 개발자 (3년 이상)
Front-end developer at an edtech publisher in Seoul building web UIs for new educational products on a shared monorepo and design system. Day-to-day work: design and ship new product screens with React, TypeScript, and Next.js (App Router); deploy and operate them; collaborate with PM/PD/BE; instrument user behavior data and iterate on UI.