What I've Learned from the Engineers Who Turned Down Job Offers at Our Startup
kapwing.com
kapwing.com
Your practices sound coercive.
Expiring offers? Expiring signing bonuses? How disrespectful to peoples' time and competing obligations.
If I had competing offers, I wouldn't take yours on principle of disrespect for me taking my time to make important decisions. I'd take yours if I was low on cash-- not because I'd want to work for someone like you.