Responsibilities
Design, build, and maintain full-stack applications that power core products and platforms.
Develop responsive, high-performance user interfaces using React.
Build and maintain backend services using Go and event-driven architectures.
Build scalable microservices in containerized environments using Docker and Kubernetes.
Drive architecture decisions that improve performance, resiliency, and maintainability.
Collaborate with engineers, product managers, designers, and QA to deliver end-to-end solutions.
Own your code in production, monitor, debug, and continuously improve application performance and reliability.
Write automated tests and follow CI/CD best practices to ensure high-quality deployments.
Participate in code reviews, technical discussions, and knowledge sharing across teams.
- Participate in on-call rotation to support production systems and respond to incidents.
- Qualifications & Skills
- 5+ years of full-stack development experience.
Strong proficiency in React and modern frontend development practices.
Solid backend experience in Go or a similar language.
Strong understanding of microservices architecture, distributed systems, and event-based communication.
Familiarity with cloud infrastructure and container orchestration (e.g., Kubernetes, Docker).
Solid understanding of observability, monitoring, and performance optimization.
Ability to troubleshoot production issues, analyze system behavior, and drive resolution.
- Business-level proficiency in Korean and English is required.
- Nice to Have
- Experience with React Native for mobile development.
Background in gaming, payments, or commerce systems.
Experience in adtech or offer monetization platforms.
Hands-on experience with Kafka or equivalent streaming platforms.
Experience with Redis or other in-memory data stores.
Experience with cloud platforms (e.g., AWS, GCP, or Azure).
Familiarity with ClickHouse, Postgres, or other analytical/OLAP/OLTP databases.
Prior experience working on internal platforms or developer-facing tools.
