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Senior Flutter-VoIP Develper

$750-1500 USD

Closed
Posted almost 2 years ago

$750-1500 USD

Paid on delivery
We are building a simple business communication app for entrepreneurs. It is something similar to Google Voice. We have built most of the features except certain aspects of the call features itself. Who we are looking for: 1. You have a proper understanding of voice communications (SIP call flows, WebRTC, SIP over WebSockets, and so on) 2. You have more than 6 years mobile app development experience. 3. You have more than 2 years experience implementing WebRTC with Flutter. 4. You are comfortable with the GetX package for routing and state management. 5. You are able to write platform-specific code (Kotlin and Swift) if necessary. 6. You have experience implementing Callkeep (CallKit and Android Connection Service) 7. You speak English fluently. 8. You are available and reachable between 7am and 7pm (GMT) What we expect you to do: Implement the missing features outlined below. a. View call information on active call screen. Call information such as number called, and duration of active call. b. Active call control feature - Activate dial pad c. Active call control feature - Transfer to teammate d. Receive incoming call when app is not active e. Accept/Reject incoming call with system user interface, like a typical SIM call. f. Receive push notifications for missed calls while offline g. App call logs should appear on system call logs. That is; dialled, received and missed calls from app, should appear on your standard phone logs.
Project ID: 33564969

About the project

15 proposals
Remote project
Active 2 yrs ago

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15 freelancers are bidding on average $1,400 USD for this job
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Hi there, I’m a Professional and Expert Flutter Developer. I am interested in doing this job for you. I do have the necessary skill set (6+ years) & resources to complete this project with strong expertise in React-Native, Native, iOS, Android, & Flutter App development including website, back-end, Third-party API(Web services) development. I have 8+ years of experience in the development field. We are regularly working for a France & UK client for 4 years on multiple web & app development technologies, especially in React-Native, Flutter, iOS, Android etc I have done this kind of project before and I am ready to start the project asap. I will provide you with a project that covers all the requirements that you are asking for. For the rest of the details, how about connecting on a Chat Box? Thanks Raj
$1,700 USD in 22 days
5.0 (10 reviews)
5.9
5.9
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Hey, This is Mohammad Full Stack Developer. Your Project Title is Senior Flutter-VoIP Develper Right? Yes, i am Very Interested on this Project becasue its accoridng my Main Skills. Please visit my portfolio: https://www.freelancer.com/u/Mohammad4thD please message me so we can more discussion. Regards Mohammad
$1,500 USD in 29 days
4.5 (11 reviews)
5.9
5.9
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GREETINGS OF THE DAY! Hope you are having a productive day, your project detail informs that you are looking for a flutter developer who can assist you with your pending work. OUR TEAM - We are here to help you out with a team of 30+ skilled developers and designers having 5-7 years of experience in Mobile App Development, VoIP, Flutter, SIPn WebRTC, who will provide you with your work and further will provide you with the maintenance service. Our team of innovative professionals is passionate about partnering with individuals and organizations to design exceptional custom solutions. OUR WORK - We have extensive experience in designing and developing Websites, Mobile Applications, Management Systems, and E-commerce or Online Stores Solutions. We can further provide you our detail portfolio having a list of our successful projects for your convenience and satisfaction. WHY US? -No Upfront-Amount- You can release the payment once the project is complete or in parts. -Ready to Start Immediately. -Revisions in Design phase & Proper Testing after Development. -Keep your Data & Website Secure. -Fast Turnaround time & Daily Progress Updates. We understand the importance of your project and will provide you with best service. further looking forward to have a detailed conversation about your project to get started as soon as possible. Looking for a positive response! Thank You And Regards
$1,125 USD in 7 days
5.0 (5 reviews)
3.8
3.8
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Hello Sir/Mam, If you are looking for ANDROID APP or iOS MOBILE APPLICATION DEVELOPMENT then you are in the right place. I will develop for you an awesome professionally developed cross-platform MOBILE app. My services: Custom Application Development Improve existing app Fix bugs Improve performance Improve firebase costs API Integration In-App Purchases app Fitness App E-commerce app Firebase Integration Quiz App Barcode Scanner App Delivery app Travel Agency app Food delivery app Expense tracker app Google Map integrations Payment gateway integration Food App Grocery, Mart and store app About/Email/Call Us, Member Login, Custom App Pages, Appointments/Applications/Forms, Website Link, Location/Google Map, Fan Page, Catalog, Exams / Quiz, Reward Points, Directory Firebase, Food Menus, Password Protected. Please contact me if you are interested in my services of app development Thanks
$1,125 USD in 7 days
5.0 (2 reviews)
1.6
1.6
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Hi - communication app are one of our specialisms so it sounds like a great fit in terms of experience. We can deliver all your requirements. Please share any reference products you may have, otherwise we have some questions also so start a chat to discuss further.
$1,500 USD in 28 days
0.0 (0 reviews)
0.0
0.0
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Hi, It is easy, I can do on time. I work online, where you can track progress of your project. I have 6 years of experience in development(websites, web applications, mobile apps, desktop applications, I/UX), using PHP, WordPress, Java, Python, JavaScript, ReactJs, Bootstrap, I can start now, please come to chat, to discuss more.
$750 USD in 2 days
0.0 (0 reviews)
0.0
0.0
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Hi there! You are building a simple business communication app for entrepreneurs I understand the project scope but have a few questions that need to be clear in more detail. Please let me know if we can discuss the requirement over chat. I have 5+ years of experience in iPhone/iPad/Android application development. work on various architectures depending on the project like MVP, MVVM, and VIPER. We are experienced in both native and hybrid platforms for building mobile apps like skills in Java, Swift, Flutter and React Native for mobile. Hope to hear from you soon. # I'll start by designing your project and submitting it for approval; once approved, or if any feedback is given, I'll update the design and resubmit it for approval. # PLEASE OPEN THE CHAT WINDOW SO I CAN SHOW MY PORTFOLIO AND PROCEED! # In addition to your project needs, I'll provide you with clean source code, free bug patches, and maintenance. I am glad to say I have worked on many apps like Online Banking App,Dating app, Restaurant app, Buy & Sell business app, Taxi app, E-commerce app, On-demand app, Social media app, Grocery app, Courier Delivery, Salon Booking app, Marketplace app, Transport Service app, Airbnb app, Social Media App, Travel Booking app, Classified App,E-commerce app,etc. Please contact me via chat so that we may continue to discuss the project. Thanks & Regards Sakshi
$900 USD in 7 days
0.0 (0 reviews)
0.0
0.0

About the client

Flag of NIGERIA
Lagos, Nigeria
0.0
0
Member since Apr 27, 2022

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