Gregory Witek

I'm an experienced backend developer and engineering manager. I've worked in a number of countries like Germany and Singapore and a few industries like travel, adtech, cybersec and fintech. Currently I work as a senior engineering manager at Booking.com

Besides my daily job I try to contribute back to community by writing at my blog, NotOnlyCode.org and creating videos with career advice and advanced programming tutorials on YouTube.

Note: if you book a session with me, it's automatically confirmed, I'm not going to send a separate confirmation besides the one you get from Mentoring Club.