Product Desing - Sofphone/WebPhone/WebRTC/Whats/Chrome Extention

I'm looking for product professional and UX / UI to help me with prototype development and service / product requirements. With product design skills, who can develop application UX / UI and write functionality requirements with all the necessary stories. I will do the product narrative, telling the story, showing the desired features, the business applications and the professional should answer questions about their doubts, research market applications and show at each meeting to show the evolution of the product. Preferably if you are familiar with the Portuguese or Spanish language. We can also perform in English, but we need to be clear that the communication can have a little more noise. The service will be performed on milestones and deliveries. The product will be a simple application What makes it a unique relationship point for voice calls via voip and must also be integrated into Whatsapp. Which should work as a Chrome or Mozilla extension In any screen that the user is browsing and that has a phone number, he should receive Hyperlink and some functions. The expectation is to have a navigable visual prototype. And the written functions. The use of figma is recommended. At the end we will have documentation to discuss the solution with the developers. Example project description: BE A PHONE AND WHAT IS THE CONTACT POINT OF THE SYSTEM INTEGRATED TO ANY NAVIGABLE PAGE AND WHICH MAKES ACCUMULATION OF ACTIVITIES THAT MAY BE REPEATIVE. ALLOWS THE USER TO BE AT THE TIME OF EXPLORATION THROUGH MANY INFORMATION OF INTEREST GROUPED AND LISTED AND, SECOND TIME, MAKE A SERIES OF CONTACTS RECOVERING THE ORIGIN URL. The WhatsApp system must integrate with the user's WhatsApp web. Must allow numbers to be included in the list It has automatic and pre-registered messages with variables. By clicking on a number on the screen, you can send an instant message, schedule or add to a List. For each click on a number, you must save the url of the original browser. Create list for whatsapp You can create a list The list will have data accessed by clicks or lists The list can have a PLAY, which can send messages sequentially to the numbers in the list. The telephone system must be integrated with my company's telephone system. Information like SIP should not be visible. When you click on a number to call, you must call immediately. But you can also schedule the call. But you can also join a list. At the end of each call the user can make a tab. The system will have standard guides, but the customer can register guides. Connecting the playlist It will execute the calls one by one and each call answered The data capture page will open. The list can be created from a cvs tb file. Guide record The system will have pre-registered contact guides But guides can be created The tabs have different actions on the number. A guide can simply complete the contact or can recommend automatically reconnecting up to x times in x time. The system will have special functions on my company page. The system will have floating icons on the right The system can remain open, occupying part of the side of the browser.