Ozys
Backend Developer
Design, develop, and operate backend systems supporting DeFi, wallet, and blockchain services. Process on-chain events, expose HTTP APIs, integrate SDKs and services, manage database migrations and ORMs, containerize…
Senior Frontend Developer
You will lead and deliver frontend projects, implementing features with React or Vue and state management. You will introduce and maintain frontend development practices, optimize bundle and runtime performance,…
Blockchain Infrastructure Engineer
You will design, build and operate AWS-based cloud infrastructure and deployment pipelines. You will deploy and manage containerized workloads using Docker, Kubernetes and Istio, implement and improve CI/CD automation,…
QA Engineer Test Engineer
You will plan and execute QA activities for DeFi services (KLAYstation, KLAYswap, Belt Finance, Meshswap) and interchain services (Orbit Bridge, XRP Bridge, Klaytnscope). You will write test plans and test cases from…