We use cookies to ensure you have the best browsing experience on our website. Please read our cookie policy for more information about how we use cookies.
Igor Kalkov
@kalkov
Germany
Badges
Java
Sql
Certifications
kalkov has not earned any certificates yet.
Work Experience
kalkov has not updated employment details yet.
Education
kalkov has not updated education details yet.
Cookie support is required to access HackerRank
Seems like cookies are disabled on this browser, please enable them to open this website