Ahoy, I am Ondrej Sika,
I do a freelance software consulting & training and run IT & DevOps training companies Trainera and Sika Kraml (DE). I’ve spend many great years at Slush Pool (Bitcoin mining pool) as a software engineer.
Write me email to ondrej@ondrejsika.com (PGP) or contact me by phone +420 773 452 376 (Telegram)