Drupal 6/7/8, good experience with most popular API’s, like core, views, ctools. Knowledge of ubercart/commerce. Understanding of Drupal advantages and limitations. More https:// www.drupal.org/u/zviryatko
WordPress, understanding why WordPress is good for blogs and bad for any other projects.
PHP, good OOP knowledge, also I read popular book by Matt Zandstra. Strict with code styles. No experience in TDD.
DB, basic mysql knowledge (joins, indexes, transactions).
Master's degree, Computer Programming