Tencent's WeChat team in Singapore seeks a Cloud Engineer to manage and scale online services connecting over a billion users. Responsibilities include ensuring site reliability, deploying and maintaining services, diagnosing issues with new deployments, managing high-severity incidents, optimizing system performance, developing automation tools, and maintaining documentation. The ideal candidate possesses strong cloud engineering, SRE, or DevOps experience with a major public-facing internet service, proficiency in programming (Bash, Go, Python), Linux expertise, and experience with container technologies (Docker, Kubernetes) and monitoring tools (Prometheus, Zabbix).