Practical experience: Jira, My SQL workbench.
Theoretical knowledge in QA/QC:
SDLC, models and methodologies of SDLC (Waterfall/V-model/Iterative-incremental model; Agile/Scrum);
Bug`s life cycle;
Test documentation (Test case/Test suite/Check list/Defect(bug) report);
Testing types (Black Box/Gray Box/White (Glas) Box testing; Functional/Non functional and Performance testing /Changes in product);
Automated testing – basics;
Test design techniques (Equivalent classes/Boundary conditions/Decision table/State transition diagram/Use cases/Mind-maps);
Mobile testing – basics;
Web technologies – basics;
My SQL – basics;
Version control system (on GIT example) – basics.