About the Role
You will design, develop, and maintain PaaS backend services supporting agent sandbox infrastructure. You will integrate sandbox, workspace, workflow, and toolbox modules with cloud sandboxes; build platform capabilities for APIs, tenants, permissions, billing, and auditing; optimize performance and observability; and troubleshoot production issues in high-concurrency environments.
Requirements
•Hold a bachelor's degree or above in computer science or a related field
•Have at least 3 years of backend development experience
•Know Java or Go
•Know Spring Cloud, Spring Boot, Dubbo, MyBatis Plus, RESTful architecture, Maven, and Git
•Master multithreaded programming and know middleware, caching, message queues, PostgreSQL, MySQL, and Linux DevOps
•Know Linux and Docker and be able to perform container deployment and troubleshooting
•Demonstrate API design, problem analysis, and cross-functional communication skills
•Have interest in AI agents, model APIs, or cloud execution environments
•Experience with E2B, Daytona, Firecracker, gVisor, Kata Containers, or secure containers is preferred
Responsibilities
•Design, develop, and maintain PaaS backend services for agent sandbox infrastructure
•Integrate Agent Sandbox, Workspace, Workflow, and Toolbox modules with cloud sandboxes
•Manage cloud sandbox sessions, code execution, browser operations, file transfers, logs, and runtime results
•Build multi-sandbox runtime, API, SDK, startup, snapshot, persistence, and resource-usage capabilities
•Build API key, tenant, project, quota, permission, billing, and audit capabilities
•Optimize service performance and observability and troubleshoot production issues
•Collaborate with product, frontend, operations, and cloud service teams to launch requirements
