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Flutter Migrate old code to new version

$250-750 USD

Lukket
Slået op cirka 2 måneder siden

$250-750 USD

Betales ved levering
I have Flutter app - very old version, I need it rewritten in newwest stable release. Please bid only experts. I will share code, then you will give me final price. App must work same as old version. Must be runable at Android and iOS as it is now.
Projekt-ID: 37812804

Om projektet

147 forslag
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Aktiv 21 dage siden

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147 freelancere byder i gennemsnit $523 USD på dette job
Brug Avatar.
Hi how are you ? I am highly skilled as a Flutter mobile app developer, routinely creating innovative and useful apps that are popular and that work well. I have wide experience in building mobile applications for android & iOS. Being experienced and detail-oriented professionals, I have a comprehensive knowledge of creating user-friendly and efficient applications. Why Me- ✔ Quality work at affordable prices ✔ Strong Android, iPhone, and backend architecture and database knowledge ✔ Develop applications that support all devices ✔ Delivering product on/before time ✔ Always up-to-date with the latest technologies Using tech:- => Design: Figma, Adobe XD, Adobe Photoshop, Sketch. => Mobile APP: React Native & Flutter. => Interaction with backend - Rest API, JSON, XML, Node.js, React.js, PHP, Laravel. Will provide 100% result guarantee and expert development Let’s connect over CHAT for a detailed discussion. Thank you Sumit
$700 USD på 30 dage
4,7 (673 anmeldelser)
10,0
10,0
Brug Avatar.
Hello Good evening , I hope you are doing great. Just finished reading the brief details of your job . I see you have been looking for a freelancer who has experience with iPhone, Mobile App Development, Dart, Android and Flutter. Upon the first look I feel confident about getting it done because of having experience doing similar jobs My Experience? I have 9 years of experience working with those technologies. Its been 8 years since I have been working on freelancer.com, Please review my profile. Check: Skills, Portfolio, Customer Feedbacks. Why Choose Me? 1. I have done more than 250 major projects only on freelancer.com. 2. I have not received a single bad feedback since last 5-6 years. 3. You will find 5 star feedback on last 100+ major projects which shows my clients are happy with my work. Portfolio: https://www.freelancer.com/u/AwaisChaudhry Timings: 9am - 9pm Eastern US Time I would like you to start the chat so we could discuss it in detail and we will continue from there. Thanks! Awais
$750 USD på 12 dage
5,0 (85 anmeldelser)
8,6
8,6
Brug Avatar.
Hi, i am full-time Firebase and Flutter Dart developer and UI/UX designer. I have experience and expertise on Firebase and Flutter Dart mobile applications (Android & iPhone) and App admin with development web services where admin can manage the app from the backend, I would tackle your project by beginning with wireframes and working through the UI/UX design process before moving on to the real development stage. I'd like to discuss your project requirements further, so please message me through the freelancer chat room. Thanks & regards Julian
$300 USD på 7 dage
4,6 (121 anmeldelser)
8,1
8,1
Brug Avatar.
Hi there, Greetings!! We are interested in your project to rewrite your Flutter app to the newest stable release. Our team of experts is proficient in Flutter development and can ensure that your app works the same as the old version, with compatibility for both Android and iOS platforms. We have Highly qualified and Experienced Developers who have expertise with PHP, Laravel, MySQL, WordPress, Magento, HTML, CSS, JavaScrt, ASP.NET, Laravel, Angular, Node.js, React, MEAN, MERN, Mobile App, Web App, Android, iOS and Flutter. We look forward to the opportunity to work with you on this project and contribute to its success. Regards Helena
$500 USD på 20 dage
4,7 (27 anmeldelser)
7,8
7,8
Brug Avatar.
As a seasoned professional in mobile app development with over 6 years of experience, I can confidently affirm that my skills set me up perfectly for your project. With expertise in both Android and iOS, I have a comprehensive understanding of Flutter and its latest stable release. My thorough knowledge of the platform will ensure that not only do I successfully migrate your existing app to the newest version, but that it still functions with the exact same efficiency as before. Throughout my career, I have consistently delivered high-quality work within strict deadlines, a testimony to my commitment to excellence. I always provide free maintenance for six months post-project completion, ensuring that any glitches or issues that may arise are seamlessly addressed. Having successfully completed over 500 projects with 100% client satisfaction includes impressive feedback tells stories of countless successfully finished projects and many positive experiences. This is further boosted by my agility in working across different time zones, making our collaboration ideal no matter where you are based. In choosing me, you're not only receiving top-tier proficiency in Flutter and mobile app development but also someone who values clear communication and puts your satisfaction above all else.
$500 USD på 7 dage
4,8 (32 anmeldelser)
7,3
7,3
Brug Avatar.
Hi. As Flutter Expert, I am very interested in your project. I am very familiar with Flutter and Version Managment. I have mobile and backend skills with 8+ years. I hope to work for you. Thanks for attention.
$250 USD på 5 dage
5,0 (33 anmeldelser)
7,0
7,0
Brug Avatar.
Hello,I have read the job description and I am interested in this job. I have 8 years experience in developing products using Android, Flutter, Mobile App Development, Dart and iPhone. I have read your requirements and am ready to start working for you. My Portfolio: https://www.freelancer.com/u/AITSoft Regards, Shamshad
$750 USD på 14 dage
5,0 (41 anmeldelser)
6,7
6,7
Brug Avatar.
Hi Dear, I hope you are doing great!! Thank you for reaching out to us with your project opportunity. We're excited to collaborate with you on updating your Flutter app to the newest stable release. As experienced Flutter developers, we understand the importance of retaining the app's existing functionalities while ensuring cross-platform compatibility for both Android and iOS devices. We're ready to review the existing code and provide you with a final price estimate for the project. Please share the code with us at your earliest convenience, and we'll begin the evaluation process. Looking forward to working with you to bring your app up to date! Best regards, Kumar Singh
$500 USD på 10 dage
4,9 (89 anmeldelser)
6,8
6,8
Brug Avatar.
As an experienced developer with over 18 years in the industry, I have a proven track record of successfully completing projects on time and within budget. I understand the importance of your project not only meeting the needs of your users but also being reliable across both Android and iOS platforms. With my experience in Mobile App Development, particularly using Flutter, I am confident that I can migrate your old code to the latest stable release while ensuring that the functionality remains the same. Throughout my career, I have completed similar tasks where I had to rewrite older versions into newer ones without compromising quality or functionality. My detailed-oriented approach will ensure that all aspects of your app are successfully ported over to the new version and that there are no unexpected surprises post-migration. Additionally, my clients consistently speak highly of not only my technical abilities and expertise but also my exceptional communication skills. I believe in maintaining transparency throughout a project. Therefore, you can expect regular updates from me while working on your project to ensure your vision is realized smoothly. Hiring me guarantees top-notch service from an incredibly accomplished and dedicated professional who values client satisfaction as much as you do. Let's get started on transforming your app today!
$500 USD på 7 dage
4,9 (26 anmeldelser)
7,0
7,0
Brug Avatar.
Hi there, what are your app other features? Is there a design for your app? I’ve been developing mobile and desktop apps for some time now. 4 years if I’m being honest. I’ll also support your project for 3 months for free for any unexpected bugs and issues. I’ll be looking forward to discussing with you. Best of all.
$640 USD på 14 dage
5,0 (50 anmeldelser)
6,4
6,4
Brug Avatar.
Hello, I have 8 years of experience as a professional web developer. My development stack comprises Laravel, PHP, NodeJS, NestJS, Wix, WordPress, Firebase NextJS, VueJS, and jQuery. I'm happy to discuss this project so we can clear up all the flow for you to get started as soon as possible. Thanks
$500 USD på 11 dage
4,7 (91 anmeldelser)
6,8
6,8
Brug Avatar.
Hi There, Hope you are doing well, Can you please share the code let me first take a review and will let you know exactly timeline. Thanks
$500 USD på 7 dage
5,0 (47 anmeldelser)
6,3
6,3
Brug Avatar.
Hi I will be able to help you. Please message me so that we can have a detailed discussion. I have 8+ years of combined experience in Mobile App designing & development, and backend development and have expertise in Native on Android Java and IOS Swift, and For Hybrid on Flutter Dart. Please come to chat for further discussion. Regards, Anju Logical Soft-Tech Pvt Ltd, Indore(M.P)
$500 USD på 10 dage
4,9 (34 anmeldelser)
6,5
6,5
Brug Avatar.
Hello Greetings, After going through your project description, I feel confident and excited to work on this project for you. But I have some crucial things and queries to clear out. Can you please leave a message on chat so we can discuss this and I can share my recent work similar to your requirements? Thanks for your time! I look forward to hearing from you soon. Best Regards
$700 USD på 8 dage
5,0 (13 anmeldelser)
6,1
6,1
Brug Avatar.
Hello, Our experienced and expert team will thoroughly analyze the existing codebase of your app. We will identify areas that need updating or rewriting to ensure compatibility with the newest Flutter release while ensuring that the app retains its current functionality and performance. With our extensive experience in Flutter app development, we have successfully handled similar projects in the past, ensuring smooth transitions to newer versions without compromising on functionality or user experience. Our team is well-versed in both Android and iOS development, guaranteeing that your app will remain runnable on both platforms after the update. Before proceeding further, we would like to ask some questions to better understand the scope of the project. Could you please provide more details about any specific features or functionalities in the old version that require special attention during the rewrite? Additionally, are there any third-party integrations or APIs used in the app that need to be updated along with the core code? Once we have a clearer picture of your requirements, we can provide you with a final price quote for the project. Feel free to share the code with us, and we'll commence our analysis to provide you with the most accurate estimate possible. We look forward to discussing the project with you further in chat, where we can delve into more detail and address any additional questions or concerns you may have. Best regards, ITSolution24x7
$500 USD på 7 dage
5,0 (5 anmeldelser)
6,1
6,1
Brug Avatar.
Hi dear sir Yes i can migrate your flutter dart code into latest stable version after testing on latest os version than i can help you to submit your both apps on stores also i am ready to start your work from now so please initiate a chat thanks
$500 USD på 7 dage
4,6 (56 anmeldelser)
6,5
6,5
Brug Avatar.
Hello, there. We can help you rewrite your old Flutter app using the latest stable release, ensuring it works seamlessly on both Android and iOS platforms, while maintaining the same functionality as the original version. We use only professional clean modern ideas for design. We have years of experience in website design, graphic design and logo design (photoshop, illustrator), banner design, brochure design, 3d design(Blender, 3d-max, WebGL). Please, review our experience here - https://www.freelancer.com/u/webbookstudio. We will be glad to chat with You and discuss your task. Waiting for Your reply! Best regards.
$480 USD på 10 dage
5,0 (6 anmeldelser)
6,1
6,1
Brug Avatar.
Greetings, Excited about the prospect of collaborating on your project, I bring over 8 years of expertise in mobile app development with a specialization in Flutter. I am proficient in both Android and iOS development and am well-versed in Dart programming language. I can rewrite your Flutter app to the newest stable release while ensuring it maintains the same functionality as the old version. I look forward to reviewing your code and providing you with a final price for the project. Warm regards, Ahsan
$500 USD på 7 dage
5,0 (11 anmeldelser)
5,7
5,7
Brug Avatar.
Hello, I am writing to express my interest in your project to rewrite your Flutter app to the newest stable release. As an experienced Flutter developer, I am confident in my ability to efficiently update your app while ensuring it maintains its current functionality and runs smoothly on both Android and iOS platforms. I have extensive experience in Flutter development and have completed similar projects in the past. I am well-versed in working with legacy codebases and can adapt quickly to meet your project requirements. Once you share the codebase with me, I will carefully assess the scope of work and provide you with a final price for the project. My goal is to deliver a high-quality app that exceeds your expectations and meets your specifications. I will provide you quality work. Let's chat to discuss things in detail. Thank You! Regards: Asim Arbi
$500 USD på 15 dage
5,0 (60 anmeldelser)
5,5
5,5
Brug Avatar.
Hi,Hope you're doing blissful! I've Gone through with the requirements and I'm sure I can provide you best on this with my skills and experience. Lets have chat on this.
$500 USD på 10 dage
4,9 (50 anmeldelser)
5,6
5,6

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Flag for POLAND
Wrocław, Poland
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Medlem siden jan. 21, 2013

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