
Closed
Posted
Paid on delivery
I need a skilled Flutter developer to upgrade my mobile application, which has been published on Google & iOS stores 1 year ago, to the latest Flutter version, 3.24. The app currently runs smoothly without any major issues, so the main task is to modify the source code for compatibility with the new Flutter version. There are several packages in the current app that will likely need updating as well. Key Responsibilities: - Update the source code of the application to be compatible with Flutter 3.24. - Identify and update several packages or dependencies that are outdated. Ideal Skills: - Extensive experience with Flutter and Dart. - Strong knowledge of mobile application development for both iOS and Android platforms. - Proficiency in identifying and updating packages and dependencies.
Project ID: 38732949
37 proposals
Remote project
Active 2 yrs ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
37 freelancers are bidding on average ₹8,786 INR for this job

Hello Sir, I have 5 years of experience working with Flutter App Development. Let's discuss this further. Thanks, Bhargav.,
₹7,000 INR in 1 day
6.9
6.9

Hi, This is Qasim. I'm interested in working on your posted job and I can start quickly and work fast. Let's discuss more on chat. Thanks.
₹7,000 INR in 2 days
5.3
5.3

As an experienced and highly knowledgeable Flutter developer, I am confident that I can deliver the necessary upgrades and modifications for your mobile application without any hassle. With a deep understanding of both Flutter and Dart, I have successfully developed and deployed 30 similar applications, all built to adapt seamlessly to new versions and handle package dependencies professionally. My skills in mobile app development for both iOS and Android platforms are unparalleled. I consistently use my extensive knowledge in identifying and rectifying outdated packages to update apps with minimal disruption while ensuring optimal performance. Moreover, my prowess in integrating backend services guarantees robustness, scalability, and streamlined data management. By choosing me, you're not only choosing proficiency in the task at hand but also a timely delivery with unwavering quality standards. Understanding the immense value of user experience, I take meticulous care to implement delightful UI elements that enhance the overall interaction immensely. Let's collaborate on this project to create an upgraded version that will leave your users satisfied and help your app become even more successful!
₹7,000 INR in 7 days
6.2
6.2

With a firm grasp on the latest Flutter trends, extensive familiarity with the platform, and a demonstrated track record in mobile app development, I am confident that I can effectively upgrade your Flutter app to version 3.24. In line with your project-specific skills and requirements, my competence goes beyond the basic ability to modify code for compatibility; it extends to identifying and updating packages and dependencies—an essential part of this task. Significantly, my comprehensive experience in front-end and back-end development aligns perfectly with your project's needs. My past work includes successful application of HTML5, CSS3, JavaScript, React.js, and Angular frameworks—providing me with a strong foundation for proficiency in Dart and Flutter. Additionally, my existing knowledge of iOS and Android system nuances is another advantage I bring for seamless transitions. My commitment to timely delivery without compromising quality is something I maintain in every project. Following a client-centric approach helps me understand your unique needs before tailoring solutions accordingly. Transparent communication further ensures you remain informed throughout the process. Should you choose to collaborate, we can bring your already successful app to even loftier heights! Let's discuss further how we can realize that intention!
₹15,000 INR in 4 days
4.4
4.4

Hi, I read your project description so it fits in my skillsset. I can easily upgrade your project to the latest version. I am an experienced flutter developer with 3 years of experience. I have done this work many times. Let's chat to discuss things in detail.
₹7,000 INR in 5 days
4.6
4.6

Hi there, I have gone through to your project description. I am confident that I can complete your task to upgrade the Flutter version for your App Store update. Please share the source code. I will provide you a quality work as I have completed many Flutter projects in past 3 years. Let's chat to proceed.
₹7,000 INR in 7 days
4.6
4.6

Hello! I am a seasoned Flutter developer with 4 years of experience in App development and hands-on experience with upgrading apps for both Google Play and the App Store. I'll help update your app to Flutter 3.24, ensuring compatibility and performance without disrupting its current functionality. Approach: I will start by analysing your source code and identifying outdated packages and dependencies. After updating them, I'll thoroughly test the app on both Android and iOS platforms to ensure smooth performance. My goal is to make the upgrade seamless, so your users experience a flawless transition. With a strong background in Flutter and mobile app development, I’m confident in delivering an efficient, high-quality upgrade. Let’s get started on keeping your app up-to-date and ready for future growth! Looking forward to working together. Best regards, Junaid
₹7,000 INR in 3 days
4.2
4.2

With over five years of experience in mobile app development, particularly in Flutter and Dart, I am confident that I can deliver the upgrade your app deserves. Having worked on numerous cross-platform projects, including clones and social media apps with third-party integrations, I am proficient at identifying and updating outdated packages - a critical requirement for your project. My broad knowledge and understanding of mobile application development for both iOS and Android platforms will prove valuable as I navigate through the source code and test the compatibility of your app with the latest version of Flutter. Moreover, my expertise in clean software architectures will ensure not only updated functionality but improved performance as well. Some of my top developed apps leverage Payment Gateway integrations and push notifications - features that might be useful to consider adding to your app. My solid track record, which includes published apps on Google Play Store, is a testament to my attention to detail, dedication,reliability, and timely delivery. Give me the opportunity to upgrade your app and you won't be disappointed!
₹7,000 INR in 1 day
4.1
4.1

I have more than 3 years experience in mobile app development and also upgrade many projects to latest versions so if you come, i'll show you my previous projects
₹7,000 INR in 7 days
4.1
4.1

Hi client good day to you, I understood your requirement, I can update flutter project to the latest version of 3.24.4
₹3,000 INR in 3 days
3.7
3.7

Hi, I hope you are doing well I have read your Complete Proposal you need to upgrade your Source code to the latest version of Flutter I have already done this kind of task I have more than 3 years of work experience in Mobile application development have a hand-on experience in many terms and I am confident that I will handle your task in a reasonable price and I am available to start work from now just share the details and I will start working on it Let's chat to proceed
₹3,000 INR in 7 days
3.6
3.6

Hey, Please Visit My Profile. I'm self-motivated and hard-working individual. I believe in customer satisfaction; quality work and I'll complete the given task on time. I can save your time and your money. Looking forward to work for you so that I can show my skills & creativity to all of you on freelancer. If you have any questions or requests, please feel free to send a message or contact me. Thank You...
₹12,000 INR in 7 days
2.5
2.5

With over 3 years of experience as a mobile app developer, I've accumulated the indispensable knowledge and skills to deliver your desired project with utmost precision and excellence. My expertise stretches across various domains such as ride-sharing, e-commerce, social media, and more. This has fortified my ability to adapt to unique project demands seamlessly - just like your Flutter app upgrade. As an adept native Android & iOS developer, I possess deep familiarity with both platforms alongside cross-platform frameworks like Flutter. This combination makes me the perfect match for your task of updating your Flutter app to version 3.24. With a proven track record of delivering complex app projects on time and within budget, I can assure you that your app's functionality, performance, and stability will remain top-notch throughout the upgrade process. Moreover, thorough quality assurance is one of my key professional principles. I'll ensure that as we upgrade the source code for compatibility with the new Flutter version and update any outdated packages or dependencies in your app, there won't be any unwanted surprises that could risk compromising your users' experience. Beyond just meeting expectations, my goal is to consistently exceed them; a commitment you can count on when choosing me for this crucial upgrade project.
₹15,000 INR in 10 days
2.5
2.5

Having successfully completed numerous projects with Flutter, including the upgrade of existing applications, I believe my expertise aligns perfectly with your needs. With one year's worth of experience in the field, I am adept at all aspects of Flutter development and can guarantee a smooth transition from your current version to 3.24. My proficiency doesn't just extend to updating source codes; I will thoroughly inspect and update any outdated packages or dependencies in the process as well. But being an excellent developer is just one part of the equation; my workings are driven by a clear understanding of client needs and satisfaction. Hence, I propose an all-inclusive deal where I take full ownership over not just the technical aspects but also on-time project delivery and open lines of effective communication. Making myself adaptable to newer technologies and continuously updating my skillset will ensure your app retains its cutting-edge nature even after this upgrade. Choose me for utmost professionalism, technical excellence, and commitment to quality.
₹17,800 INR in 2 days
0.0
0.0

Hi, I will upgrade your mobile application to latest Flutter version, 3.24 and do all other updates in the current app as per your requirements. I have strong knowledge and 10+ years experience in doing this type of work. so i have high confidence that i can do your project very well based on your requirements with top quality and great satisfaction. Kindly contact me in private chat for further discussions. so that i can get a fair idea about project scope and help you more better beyond your expectations. Thanks.
₹5,500 INR in 1 day
0.0
0.0

It sounds like you have a solid plan for upgrading your Flutter app! Here’s a concise breakdown of the key responsibilities you outlined: ### Key Responsibilities: - **Update Source Code**: Modify the existing app code to ensure compatibility with Flutter 3.24. - **Package Dependency Management**: Identify outdated packages and update them to their latest compatible versions. ### Additional Considerations: - **Testing**: Conduct thorough testing to ensure all functionalities work correctly after the upgrade. - **Documentation**: Update any necessary documentation to reflect changes made during the upgrade. - **Performance Optimization**: Look for opportunities to improve app performance during the update process. If you need help finding a developer or have specific questions about the upgrade process, feel free to ask!
₹7,000 INR in 7 days
0.0
0.0

Hello My name is Anas i am experienced in Flutter more then two years i am working in various project i will upgrade your app with clean code feel free to contact me.
₹7,000 INR in 7 days
0.0
0.0

Hello, I'm an experienced Flutter developer with a proven track record in app upgrades and compatibility updates. I understand the nuances of working with Flutter and have successfully updated multiple apps to align with the latest Flutter versions while ensuring smooth functionality. For your project, I’ll handle the source code modifications, upgrade necessary packages, and run thorough tests to maintain app stability on both Google Play and the App Store. My approach focuses on precision and efficiency, so your app will be up-to-date and fully compatible with Flutter 3.24 without any disruptions. Let's get started!
₹3,000 INR in 3 days
0.0
0.0

As an accomplished Flutter developer, I bring a wealth of experience to your project. Over the course of my 12-year career, I've been at the forefront of technology while assisting numerous clients with mobile app development and upgrades. My anticipation of challenges and proficiency in delivering high-quality projects will ensure a smooth transition from your current version to 3.24. My familiarity with various packages in Flutter gives me an edge in identifying and updating outdated dependencies, a task critical to the success of this upgrade. I've gained substantial knowledge about both iOS and Android platforms during my extensive career. This extensive cross-platform expertise will undoubtedly aid in the compatibility modifications required for the new version. Moreover, my primary focus is always on client satisfaction, just as you noted it is for you. I'm dedicated to going above and beyond to ensure that each project exceeds even the highest expectations. With me, you'll gain not only a skilled developer but also a trustworthy partner, who initiates clear communications, builds strong relationships, and consistently delivers successful outcomes. Let's connect and work together to transform your app into something even more amazing!
₹7,000 INR in 7 days
0.0
0.0

Hello! I am writing in response to your search for a Flutter developer to upgrade your application to version 3.24. As a Flutter specialist, I have extensive experience in migration and upgrade processes of published applications. My methodology for this type of upgrades includes: - Initial analysis of the current source code - Identification of all dependencies and packages to be upgraded - Step-by-step migration plan to minimize risk - Thorough testing on both platforms (iOS and Android). I commit to: - Perform the upgrade while keeping the current functionality intact - Upgrade all necessary dependencies to their supported versions - Verify that there are no regressions in the existing functionality - Document all changes made during the process As an added value, I offer a 7-day post-upgrade guarantee during which I will take care of any issues that may arise related to the migration. I suggest starting with an initial code review to provide you with a detailed timeline. My experience allows me to ensure a smooth transition without affecting the current stability of your application. If it's okay with you, we can set up a meeting to review the specific details of your application and get started as soon as possible. I look forward to hearing from you. Best regards!
₹10,000 INR in 7 days
0.0
0.0

Kozhikode, India
Payment method verified
Member since Sep 1, 2018
₹100-400 INR / hour
₹100-400 INR / hour
₹100-400 INR / hour
₹100-400 INR / hour
₹100-400 INR / hour
$750-1500 AUD
$750-1500 USD
₹12500-37500 INR
$10-300 USD
$70 USD
₹1500-12500 INR
₹750-1250 INR / hour
₹10000-20000 INR
$1500-3000 USD
$25-50 USD / hour
$50-90 USD / hour
₹12500-37500 INR
$30-250 USD
₹100-400 INR / hour
₹12500-37500 INR
$30-250 USD
$250-750 USD
min $100000 USD
$3000-5000 NZD
min ₹5000000 INR