I am looking for an experienced developer who can help me with the functionality of a the link "https://bit.ly/ProjectNo86" . All the specific features of the app in the above link, that I need help with include improving the performance and ensuring that it functions smoothly. First go to the link and Install on your android device after that use all the features personally as well as professionally. Specially it's calling features and backend processes. If you suppose to complete it within 7-8 days then you are welcome. otherwise do not bid here. I am looking for someone who has experience with Java or Cotlin and Firebase. The project must be completed within 7-8 days. My budget for this project is under $500 for development charges excluding third party API integration costs. Please mark it and bid here otherwise don't bid. It must be Clear that your Bid should be under $500. If you are agree then Bid here otherwise keep away . No further discussion is needed in Message Box for Budget over $500. Otherwise I will Report you as Spam to Freelancer.com Platform.