Backend Engineer

1. Responsible for the design and development of backend service systems supporting business operations.
2. Analyze business requirements and design system interfaces.
3. Design, develop, code, and test backend system modules.
4. Refactor and optimize system architecture and performance.

1. Bachelor’s degree or above in Computer Science or related field, with 3+ years of Java development experience.
2. Solid programming skills with strong logical thinking and functional design abilities; proficient in common data structures, algorithms, and design patterns; familiar with the Java Memory Model and experienced in JVM tuning.
3. Hands-on experience with SpringMVC, Spring Boot, Tomcat, and Maven, with a deep understanding of their principles and mechanisms.
4. Proficient in SQL; hands-on experience with MySQL and PostgreSQL (a plus), with strong SQL performance tuning capabilities; familiar with caching solutions such as Memcached and Redis, with tuning experience.
5. Familiar with deployment, operations, and performance tuning in Linux environments; knowledge of Nginx; hands-on experience with AWS is a strong plus.
6. Familiar with common middleware such as Kafka, Fabio, and Consul.
7. Highly self-motivated with excellent comprehension and communication skills; able to perform under pressure with a strong sense of responsibility and team spirit.