Can I post a unpaid job listing on major job platforms -I will not promote

As the title suggests: I don’t have the budget but I Do have traction. I am a full time employee and new father - for the last year I’ve been building a mobile application and have started to get real tractions from users. Currently I am doing everything myself but desperately need help with repetitive tasks that AI cannot replicate in good quality (not expert quality just human quality and context) My biggest bottlenecks is time. Outside of the 9-5 I’m a Father and can only work on the business in the morn