• SDLC/STLC • Requirements analysis • Test technics,metodologies, tipes • Checklist, Test cases,TestRail • Bag reports, Jira • TSR • Test plan • Estimations • Mobile testing • Ci/CD • ROI calculation • Client-server architecture • SQL,My SQL,PostGreSQL,DataGrip • HTML,CSS • HTTP, HTTPS • API , Postman • Chrome Devtools • iOs-mobile, Windows