Responsible for developing, testing and releasing low level agents and backend APM software, participating in SRE activities.JVM-based agent: JVM bytecode instrumentation, JVM heap analysis, network traffic monitoring, building fully automated multi-dimensional test matrices for acceptance testing.Low-level language agnostic agent: low-level instrumentation of Linux networking, database servers and clients. Building multidimensional test matrices for testing with PHP, Python, Ruby runtimes, Nginx and Apache servers.Backend engineering: receivers for low-level monitoring data, pipeline for processing monitoring data, optimizing storage of analytical data.Automation: building an automated crawler for testing browser agent with real-world sites.