Expertise in PostgreSQL. Author of Pigsty —— A battery included open source PostgreSQL Distribtion
Write robust, maintainable programs: web servers, crawlers, exporters, cli tools, etl pipeline, etc… with Go.
Rich experience on various data systems: Redis, HBase, MongoDB, Cassandra, MySQL, ODPS, Consul, Etcd, …
Domain knowledge about: Web FE/BE, Networking, Hardwares, Manufacturing Operation, GIS, Meteorology, Info Sec…
Write advanced SQL queries. Data analysis with statistic tools: SQL, Python, R, Matlab, Excel etc…
Rich experience on making interactive visualization products with D3.js, echarts.js, grafana panels, etc…
Write resuable, sophisticated playbooks & roles. Designing large scale provisioning solution based on it.
Using as the main operating system. familiar with *nix tools such as bash vim git awk sed grep systemd ntp ssh dns etc…
Designing sophisticated application with Grafana. Deeply customize, write plugins, advanced visualization.
Setup & configure Prometheus. Desinging record & alert rules. Writing PromQL Queries. Writing metric exporters.
Configuring nginx, writing lua scripts for OpenResty. Customize API gateway such as Kong. And other LB such as haproxy
Handy tools for daily usage: solving trivial tasks. automation, crawlers. data process & analysis, web servers, AI models, etc…
Write FE & BE applications. Experience with common js libs: Jquery, Bootstrap, EazyUI and HTML, CSS, GraphQL, etc…