Finishing a MEAN Stack Website Integrated with Blockchain, Wallet and Crypto and Creating the Android and iOS Apps

I only have budget of USD 300 to finish this all and no more. If this website and apps is useful for human beings and your work is great with high quality of course we can have long term collaboration in term of admin support maintenance and updating the apps periodically with every new release of technology and keeping the user data privacy secured. My website is a sort of Thumbtack, Upwork and Freelancer website, it has been made but not yet finished. I want to finish it and create the mobile apps as well, here are the features that I want to create and finish on the website: 1. API Service to connect with mobile apps 2. Payment gateway connecting with Paypal and Midtrans 3. Python for Artificial Intelligence, TensorFlow Machine Learning untuk Recommended For You Bizcards feature 4. Most Popular feature and Near You feature 5. Admin Panel to list the registered users, their history, their graph and friends relations 6. Multilanguages feature 7. SSL Installation 8. Ads placement and algorithm 9. Search engine algorithm 10. Deployment at Siteground Hosting Power Server 11. Beautiful and elegant Frontend design with Angular JS / VueJS / others 12. Sort and Filter in BizCards, BizService dan BizRelation 13. Calendar feature like Airbnb when someone already recruited for the job 14. User verification level: Verified (upload ID), Safe (upload ID+selfie), BizPro (Done more than 37 jobs with rating 9/10 on average) 15. Completing the category of the jobs 16. Post project flow like freelancer.com 17. Blockchain, Create Crypto, and Wallet with frictionless payment and transfer / deposit / withdraw money On the mobile apps I would like it to be made with Native or if Hybrid using Go Lang / Flutter.