Upgrade flutter v1 mobile App for iOS and Android to v3

Hello Sir, we have rich experience in flutter apps development. I am really interested in your application so i have placed a fair price. Please consider my bid.100% payment once job done. I don't want any upfront payment. 100% once job done. I am 100% sure i can do this. Also don't worry about time frame i will try to complete within 5 days just for safer side i have placed 7 days. Please consider my bid .Please let me know what do you think. Also you can see my profile about my work and communication. Thank you

Hi there! Upgrade flutter v1 mobile App for iOS and Android to v3 !! I got 7+ years of experience in developing apps for startups and have good proven track records and excellent clients reviews, I have also good skills in React Native, Flutter, Swift, SWIFT-UI, Xcode, Android studio, Java, Firebase Analytics,Agora, Jitsi, Twilio, Jira, Firebase database, React.Js, Kotlin, IONIC, Objective C programming, AWS, Parse, Crypto Currency, Corodova, Back-end panel in (PHP, MySQL) and Rest APIs development. I am available on desk as per your convenient time zone and will work on your mobile apps front-end and back-end module until you satisfied with my work. I believe in builind long term relationship and it would only possible if i will deliver the quality work. PLease open chat window so i can share some samples of my previous work to get more confidence on my work and hire me ongoing basis. I have worked on so many projects like Real Estate App, Grocery App, Classifieds App, Instagram Clone app, Taxi app, Delivery App, food delivery, Inventory Management App, Reward App, Social Media App, On-demand Services provider App, Nutrition App, school management, Pos, E-commerce, Event booking, etc. I am fully dedicated to doing my work very efficient and less time-consuming. "Looking forward to your positive response please open your chat window to more details" Thanks. regard, Christina

Hi, There Hope you are doing good!!! I want to let you know that you need to Upgrade flutter v1 mobile App for iOS and Android to v3 and as per your requirements I'm 100% sure that I can fulfill it properly as I have more than 6+ years of experience in the relevant field. So i don't think you will regret if you consider me for your project. If you like to know more about my skills then please visit my profile and read the reviews given by the old clients. Hoping that i'll also be able to satisfy you with my work. and i will also provide support after the completion of your project. The bid price is the base price, the final price will be discussed in the chat. Feel free regarding any clarification. I am ready to start immediately and looking forward to a long business association ahead. Thank you and best regards, Rasna Raj

Hi, I have vast experience doing projects with Flutter. I have worked on state management using GetX & Bloc, firebase, In-app purchase, Google maps, APIs integration, Local storage, Notifications and many other features as well. I very interested in your project as I have completed many project upgradation tasks before. Can you please contact me in chat i order to discuss more details regarding this project? I have a track record of providing satisfactory output to my clients. Below are the links to a few client reviews for your reference. https://www.freelancer.com/projects/flutter/Help-with-flutter-issue/reviews https://www.freelancer.com/projects/javascript/Flutter-game-turn-based-online/reviews https://www.freelancer.com/projects/android/Hybrid-APP-Telecom-Site-Surveys/reviews https://www.freelancer.com/projects/iphone/Recipe-Management-Mobile-Application-IOS I am highly interested to get in touch with you on chat to discuss the details as the description of your project matches the kind of work I do. Looking forward to your earliest reply. Regards, Umar

Hello Hope you are doing well. I'm flutter developer and I will update your app. lets have a chat to discuss more. Thanks

Hello I have 5 years of experience in mobile application development with Swift and Flutter I can upgrade flutter version to latest I would like to work with you Thank you

Hello, this is Manthan, a Flutter developer with over 3+ years of experience. with hiring me, you will not only get a developer, whom will follow the direction of your choice, but also a person, whom if needed, can advise you on optimized prioritizations of the tasks, faster delivery in term of business value, optimized overall development approach and optimized user journey from UX standpoint. HIGHLIGHTS ✨ Known for writing efficient, maintainable, and reusable code. ✨ Proficient in design patterns, problem-solving and debugging. ✨ Experienced in software design and application architectures with high security and performance optimization.

Hi, Experienced Mobile App Developer is here that you are looking for. I can build the app as you want on time and within your budget. I have read your requirements carefully and really interested in this app development. I am sure that I'll finish your project successfully with my experience. While you work with me, you could see my certificated skills with work quality, responsible communication, progressive suggestions, etc. I will provide you perfect product as you want so you would be happy with it. I am always ready to discuss about your project in detail as well as start from right now. Thank you

Hello, Greetings Hugo Marcelo M., Good morning! I am skilled mobile software engineer with skills including Flutter, iPhone, Android and Mobile App Development. Please contact me to discuss more regarding this project. A fast response is appreciated

❤️ Hi there, do you have a Source code ?? I will Update your *Flutter* to latest v3.6 + Packages + Dependency. Message me, thanks!

Hello, this is Nathan who are Flutter expert. I'd like to have a brief chat or call to discuss further details about your project soon. Looking forward to working with you together on this project. Thank you. Nathan.

Hi, Have you Found Expertise in Flutter Development to Upgrade flutter v1 mobile App for iOS and Android to v3, I am a Full Stack Developer, and have extensive knowledge of Mobile app development for both back and front end applications and worked on MERN Stack including Mongo DB, node js, react js Let's come on chat to discuss and Move forward Best regards Ahmed Raza

Hey, I have read your project description and and saw you requirement. I would like to do this project if you like to accept my proposal. I am expert in Mobile application development and I have developed multiple apps before with client satisfaction.I have 8+ years of experience in Mobile (iOS/Android) app development and 6+ year Exp in Web development(PHP, Magento , .NET,Node Js , Firebase,JAVA,HTML5). I can use Native/Xamarin/Ionic/PhoneGap/Flutter for mobile development Please come on chat so we can discuss further Feel free to contact with me. Thanks.

Hi there, Its been 5 years we are working on flutter applications and we surely help you in upgrading the flutter version. I request you to please share apk file and I have to ask some question before we start, please open chat for the brief discussion. Please also see our Freelancer profile for past track history, we got sound track record with 600+ completed projects. Best Regards, Lx

✔✔✔✔ Nice to see your posting ✔✔✔✔ Hi, Hugo Marcelo M.. I read your job posting and feel I can help you successfully complete your project now. I am good at Flutter, Android, Mobile App Development and iPhone and I have completed the same project recently. I will deliver a perfect high-quality result in time. I could complete this project within the given deadline perfectly. Please contact me. I am ready to start your job right now. Thanks!

Hi, Greetings of the day. I have gone through your job post and see that I have all the skills set needed for your Flutter project. I have 8+ years of experience and can start immediately. My Strong specialties related to your project include: -> Understanding of software development life cycle -> Strong knowledge of different architecture approaches -> Experience with GoF patterns -> Knowledge of SQL -> Strong knowledge of networking -> Experience in programming languages for mobile development — Kotlin or Swift -> Knowledge of Dart programming language -> Understanding of Flutter framework -> Experience in Android or iOS mobile development services -> Programming languages: HTML, CSS, PHP, JavaScript -> API Integration -> Payment Gateway Integration -> PSD to Flutter Interface -> GitHub and Bitbucket -> APP Maintenance For more discussion regarding the project ping over chat Regards Waseem

Hi. I read your description carefully and understood you are looking for. As a professional mobile developer, I have enough experience in flutter dart. I can upgrade your flutter version to the last version. Very interested in your project and ready to start now. Best regards. Artem.

Hello , I'm a senior mobile app developer having over 8 years of experience. I have developed lots of apps in the app store since then. My experiences are as follows: - Uber Style Taxi booking App Development - Social Networking App Development - Tinder Style Dating App Development - Uber Style E-Commerce App Development - GPS-based Navigation App Development - Photo/Video Sharing App Development - Hotel Booking App Development - Food/Drink Ordering App Development My Skills are as follows: - Android Studio/Kotlin -Flutter - Mysql Database Design - JSON Restful Backend Apis Development I can full-time work on your project with high quality. Once you work with me you will know my skills and ability. I am looking forward to a long-term relationship with you so far. Sincerely. Mayank

Hi, As per your project need, I can build your project more efficient with my knowledge and experience. I'm looking to work with you and I'm very sure that you'll feel great to work with me. ✔️ I want to ask soo many questions before start your project so that deliver quality work on time. ✔️ We will work with multiple milestone and release money when you will happy with my work. Along with your project requirement, I'll provide you clean source code with free bug fixing and maintenance. I Have 7+ years of work experience in web and mobile Apps development. I have worked on so many projects like Real Estate, Grocery, Classifieds, Instagram Clone, Taxi, Delivery, food delivery, Inventory Management, Reward, Social Media, On-demand Services provider, Nutrition, school management, Pos, E-commerce, Event booking, etc. I am fully dedicated to doing my work very efficient and less time-consuming. "Looking forward to your positive response please open your chat window to more details" Thanks.

Hello, Nice meet you! I have read your project requirements and then I am sure I can complete that project. I can help you. Thank you