Solid foundation in cryptography, including multi-party computation (MPC), threshold signatures, and privacy-preserving computations, along with project experience. Proficient in C++, go, and Java.* Proficient in JavaSE, collections, threads, IOs and design patterns.* Proficient in SQL, experienced with MySQL. Knowledgeable in MySQL storage types and principles, with expertise in SQL optimization.* Skilled in Redis, with knowledge of configuration, data types, and persistence mechanisms. Experienced in caching applications.* Proficient in Kafka with data flushing, partitioning mechanisms, and experience ensuring message durability, delivery consistency.* Skilled in Spring Boot and automated configuration.* Expert in Spring framework, with strong grasp of core features, AOP concepts, and common annotations.* Familiar with Linux systems and common commands. Skilled in using Linux for project setup, deployment, and maintenance.* Expert in Spring Cloud(nacos, sentinel), with knowledge of distributed services, refactoring, and segmentation. Experienced in live projects.* Familiar with Jenkins, Docker, and Kubernetes (Rancher) for setting up automated deployment clusters.