Please check out [login to view URL] and see the app which has already been created. I need to take this app to the next level with the following updates:
1) Security Updates
2) Auto-update feature
3) Referral scheme
4) Payment updates
I'd like to do the changes one step at a time. For security: Just to give you a practical example of vulnerabilities- People are able to sign up to the app directly through the API hacking, instead of physically coming to our app and signing up. People are also changing their scores in the game during a live competition- just to let you know, a competition is only live for 24 hours. Everyone gets one go to submit their score. However, people were able to change their scores even after the competition had ended, which is not possible through the app at all.
42 freelancers are bidding on average £4351 for this job
Hello. Nice to meet you. I am a skilled mobile app ( java for android and swift or object c for ios) developer. I can do the 4 items at one step. could you give me a chance to work in your project. Thank you.