This Senior/Expert Site Reliability Engineer (SRE) role involves deep dives into application development, focusing on scalability, stability, and performance. Responsibilities include managing and maintaining product, middleware, and big data applications; performing deployments, performance tuning, and troubleshooting; designing and developing automation workflows; managing capacity and resources; conducting stress tests; and creating operational documentation. The ideal candidate will have extensive Linux experience, strong programming skills (Bash, Python, or Go), and proven analytical and problem-solving abilities.