sharing. Implement Redis distributed lock solution. TechStack: Srping boot, JPA, MyBatis, Kafka, Redis, Liquibase, MySQL, Linux, Agile, DDD Java Engineer • SanYe Technology August 2021 to July 2022 Developed backend services for a human resources management system. Contributed to the development and maintenance of a trading system. Integrated the system with Payment Service Providers (PSP). Implemented permissions using the Nested Set Model. Addressed issues related to Redis lock caching, ensuring it doesn't persist indefinitely. Authored environment setup documentation for local development, involving Nexus, Spring Security, Consul, and Docker. Integrated a clocking device