Started as a DBA in 2007 with MS's SQL server but I also have some knowledge of MySQL and PostgreSQL, as well as back-end development with C#.
A Quality Engineer at Infragistics for 2 years. Dabbled into automated testing and the company's jQuery controls for some time (2 years approx.) Then did DevOps activities - builds and CI for 1.5 years at Infragistics.
A software engineer in Milestone Systems for a while. Currently a DevOps team leader at Cognyte (formerly Verint)