61 Minimum 5 years of experience in Java programming 61 Strong knowledge of Spring Boot & Spring Cloud Frameworks 61 Familiar with JVM, experience in JAVA program performance tuning 61 Good at high concurrency, high performance, high availability system development 61 Skilled in using distributed transaction locks and the locking mechanisms of Redis 61 Familiar with queue mechanism, skilled in using queue to manage and dispatch HTTP requests 61 Solid Experience with at least one type of relational database such as MySQL, Oracle, SQL Server, SAP HANA and the ability to write SQL statements 61 Experience in large volume data query, such as Elasticsearch, will be a plus. 61 Experience in scripting such as JavaScript will be a plus 61 Familiarity with microservices and REST will be a plus 61 Strong interpersonal communication skills 61 Ability to read and write in English Preferred Qualifications: 61 Experience in optimizing large data volume performance 61 Experience in creating software architecture