SYC

Proficient in developing scalable and maintainable software systems using Java, Spring,
Spring Boot, RESTful API, JPA, Maven, and AWS.
• Has a deep understanding of Java concurrency mechanisms, familiar with AQS, CAS, lock
cache consistency protocols, volatile, synchronized, etc. Proficient in using common Java
collection classes, has studied Java collection source code, and is familiar with
multithreading.
• Has a solid foundation in Java, a deep understanding of object oriented programming, and
is proficient in collections, multithreading, reflection, generics, annotations, and dynamic
proxies.
• Understands database MVCC synchronization mechanisms and isolation levels, knows how
to use EXPLAIN for database tuning and index design, and is familiar with optimization
solutions for databases with millions of records.
• Has studied the underlying principles of the JVM, understands the specific location of
objects in the computer, and comprehends the garbage collection mechanism