上海美资软件产品公司招聘J2EE方向应用服务器优化工程师

09-08-03 oldliu
Principal Performance Engineer

The Principal Performance Engineer will execute a series of strategies that relate to performance tuning mission-critical J2EE applications

Duties and Responsibilities:

-Own the performance test lab, including setup of OS(Solaris 10), Oracle Database, JBoss server, Apache, Network, Load balancer, etc.

-Own the implementation of performance and scalability testing methodology and recommendation

-Work across entire engineering teams to collect performance test requirements, formulate scalable test strategies, and enforce performance testing

-Work with data center/NOC team on reproducing, resolving and preventing performance issues on production servers

-Setup monitoring and benchmarking tools on performance lab and generate reports regularly

-Setup and execute performance and scalability tests with huge number of concurrent users, profile and fix problems.

-Developing test tools used to administer performance and scalability tests.

-Profile and isolate application and architectural issues and recommend and develop resolutions.

-Provide internal and external customer documentation summarizing results of performance and scalability tests.

-Conduct research projects into applicable technologies for enhancement of application performance.

-Recommend application coding practices as required.

-Review technical specifications. Provide architecture guidance for better performance to development team.

Qualifications:

-BS degree in computer science or related field

-Expert in system administration, application server config, network config and setup

-Rich software development experience -- 4 years experience with Java or J2EE.

-Strong experience with relational databases and SQL tuning, preferably Oracle.

-Must have solid knowledge of algorithms and data structures and be able to assess trade-offs between memory vs. CPU vs. I/O vs. database load etc.

-Rich experiences on resolving multi-threading, deadlocking, JVM GC issues.

-Must be highly goal oriented, flexible and be able to adjust to changing priorities under stressful conditions and tight schedules.

-Must have excellent communication and interpersonal skills.

-An absolute self-starter. Very comfortable and highly effective when working across teams.

-Highly motivated for performance work. Can take a big project and drive it from the start to the finish with minimum supervision.

-Have rich experiences working on real, large deployment of production systems.

-Prior experience with performance Profiling/Tuning/Testing.

-Prior experience with analysis tools such as JProfiler, JConsole, etc.

Desired, but not required:

-Experience writing technical documentation.

-Experience with human capital applications.

-Experience with SaaS architectures.

工作地点:上海虹桥开发区,负责公司J2EE的应用服务器体系架构建立/规划/优化/测试的总体工作,精通Solaris/Apache/JBoss系统,可以对Oracal数据库进行优化调试,英文优秀

有意者,请联系本人,邮件或者msn jialei.liu@hotmail.com

猜你喜欢