Freelancers pentru angajare în Singapore
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Java concurrency: Proficient in commonly used Java collections, proficient in handling concurrent modification exceptions of collection classes in multi-threaded concurrent environments, and have a deep understanding of write time Technologies such as replication, CAS, ABA, Volatile, etc. optimize the efficiency of...Java concurrency: Proficient in commonly used Java collections, proficient in handling concurrent modification exceptions of collection classes in multi-threaded concurrent environments, and have a deep understanding of write time Technologies such as replication, CAS, ABA, Volatile, etc. optimize the efficiency of concurrent operations. Thread pool management: Conduct in-depth research on the underlying implementation principles of thread pools, dynamically configure the number of threads and rejection strategies based on actual business needs, and optimize the system Resource utilization and performance. MySQL optimization: Have a deep understanding of the underlying index data structure of MySQL, be familiar with the characteristics of B+tree indexes and database transaction isolation levels, Improve database query efficiency and data consistency by optimizing index design and transaction management. JVM tuning: Conduct in-depth research on the underlying principles of JVM, understand JMM memory models and various garbage collection algorithms, and proficiently apply different garbage collection methods Collect and tune core parameters to optimize application performance and memory utilization. Redis application optimization: Familiar with the usage scenarios of Redis data structures, optimize the performance of cache under high concurrency conditions, and address cache avalanches and buffering Provide effective solutions for issues such as storage penetration to ensure system stability. Message middleware: With rich experience in message communication scenarios, we have solved various difficult problems, including message loss and duplicate consumption, to ensure message security System reliability and smooth communication. JUC contract application: Proficient in JUC contract application, flexible use of tools such as loop fences, signal lights, countdown timer, etc., to achieve efficient Concurrent programming and task collaboration. Distributed technology solutions: Solved technical challenges in various distributed scenarios, including distributed locks and transaction processing, ensuring distributed systems Unified data consistency and reliability. Comprehensive application of open-source frameworks: Proficient in open-source frameworks such as Spring, Spring MVC, MyBatis, Spring Boot, etc., applied to projects In project development, improve code quality and development efficiency. Deep understanding of microservice architecture: Gain a deep understanding of the underlying architectures of microservices such as Spring Cloud, Zookeeper, Dubbo, etc Practice microservice design and deployment, and build a robust and efficient distributed system. mai puțin
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