Expert Engineer, Backend (Java)

About the team We build scalable data platform and intelligent analytics products that power analytics, BI, and business decision-making across the company. Our focus includes data platform engineering, data asset management, and next-generation ChatBI / AI-driven analytics. Responsibilities Design and develop backend services for large-scale data platforms, including data development, scheduling, data assets, and analytics services Build and evolve core system modules and frameworks with a focus on scalability, stability, and maintainability Abstract complex data models and computation logic into clear, user-facing platform capabilities Troubleshoot and solve complex technical and business problems in distributed systems Contribute to system reliability, performance optimization, and high-availability design Collaborate closely with product managers, data engineers, and frontend engineers Requirements Bachelor’s degree in Computer Science or related field At least 6 years of Java backend development experience Strong Java fundamentals, with solid understanding of JVM, concurrency, and performance tuning Experience with mainstream Java frameworks (e.g. Spring Boot / Spring Cloud) Solid system design skills; able to own and deliver modules or subsystems independently Familiar with Linux environments and relational databases (e.g. MySQL) Strong learning ability and sense of ownership