Sign up
Sign in
73 Followers
Home
About
Valentin Kalchev hasn't written any stories yet.
Lead iOS Developer at High Performance Software Ltd.
Alexander Kulabukhov
Andrey Gordeev
Better Programming
Oleh Kudinov
Apil Tamang
See all (66)
Help
Status
Careers
Press
Blog
Privacy
Terms
Text to speech
Teams
