
Closed
Posted
Paid on delivery
We operate as a software house and are delivering this project for one of our clients. The project is an Android application built in Flutter, designed to improve and extend the functionality of popular ride-hailing applications. We have been developing this project over the past several months, and the client is interested in continuing its development in the future. For this reason, we are looking for an individual developer or a team with whom we can establish long-term cooperation. Unfortunately, we currently do not have access to the application's original source code repository. The previous development team involved in the project has closed its business, so at this stage we only have access to the latest APK file. Based on this APK, it will be necessary to recreate the application's current behavior, logic, and existing functionality as accurately as possible. After that, we plan to implement additional changes and new features according to the client's requirements. We are looking for an expert or a team of experts with strong Flutter and Android experience, especially developers who have worked with APK analysis, reconstruction of existing application behavior, and rebuilding application logic without access to the original repository. Once the current version of the application has been recreated, we intend to continue its further development. The client is interested in additional features and ongoing improvements, so we are specifically looking for someone who can take over the project and continue working with us on a long-term basis.
Project ID: 40697608
306 proposals
Remote project
Active 7 hours ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
306 freelancers are bidding on average $2,049 USD for this job

Hi, I came across your requirement for the Flutter ride-hailing application. We have strong experience in Flutter/Android development and similar existing-app reconstruction work. ➜ APK Analysis ➜ App Reconstruction ➜ Ride Booking ➜ Driver Management ➜ User Management ➜ GPS & Maps ➜ API Integration ➜ Payment Integration ➜ Notifications ➜ Ongoing Development Let’s chat.. Thanks
$2,250 USD in 7 days
9.6
9.6

With over a decade of experience in full-stack architecture and high-scale systems, I understand the importance of reconstructing your ride-hailing app accurately to meet your client's requirements. My background in managing high-complexity systems, such as serving over 1 million users, directly applies to the challenges of recreating the application's behavior and logic without access to the original repository. For strategic insight, implementing a thorough analysis of the provided APK file and carefully reconstructing the application's current functionality will be crucial for a successful project outcome. Drawing from my past success in handling similar reconstruction tasks, I am confident in my ability to deliver the quality and accuracy required for this project. I am eager to discuss the roadmap for reconstructing and enhancing the ride-hailing app further. Please feel free to message me to schedule a call and explore how we can work together to meet your client's long-term development needs.
$2,400 USD in 30 days
8.5
8.5

Greetings, If you can share the build then I can share complete time estimate. We can proceed with ReactNative which will also deliver cross platform native experience? Also we can expedite the development process by making use of AI enabled tool. We can also add AI enabled features, as we have recently deployed edge models on device which are on prem and can work in offline mode. Lets discuss
$3,000 USD in 30 days
8.3
8.3

Hello, Greetings Hope you are doing well. I am a Mobile Application developer with over 5 years of experience. I am confident in my ability and skills to develop high-quality Mobile apps and would like to work on your ride hailing app project. I will complete the work as per your requirements. I want to discuss more this project to prepare the final concept. So let’s discuss this in detail over chat then will make plans to start work on it. Waiting for your earliest reply. Thanks. Shubham
$1,500 USD in 24 days
8.0
8.0

I can help you build this properly. You're building Flutter Expert for Ride-Hailing App Reconstruction, where the real delivery risk is usually in the workflow details, not just the feature list. Relevant fit: Java, Mobile App Development, Android with milestone-driven delivery. Key scope I would cover: Java implementation risks and acceptance criteria; Mobile App Development integration points and edge cases. If helpful, I can outline the first milestone around the riskiest part of the build before we start. Quick question: What part of this build has caused the most delivery risk so far: architecture, integrations, or product clarity? Also, if we align on the core scope first, would you prefer the first milestone to focus on a stable MVP foundation or on feature breadth? Best, Dr. Syafiq
$2,250 USD in 21 days
7.4
7.4

Hi, Reconstructing a Flutter-based ride-hailing app solely from an APK presents a unique challenge in accurately recovering the app’s UI and logic without source access. The primary engineering risk lies in reliably reverse engineering and validating behavior to ensure functional parity. I typically design systems by first establishing a clear boundary between reverse engineering and feature development phases, enabling a stable foundation before extending functionality. While my background centers on AI-driven backend systems and automation pipelines, I approach this task methodically by analyzing APK internals, extracting UI and logic patterns, and incrementally rebuilding the Flutter codebase. I would first validate reconstructed features against observed app behavior to maintain accuracy and minimize regression. Systems like this require careful orchestration to support ongoing enhancements and maintainability. I can help outline the reconstruction approach and define integration points for future feature development. Thanks, Hercules
$2,250 USD in 7 days
7.4
7.4

I am a seasoned Flutter developer with extensive experience in building and reconstructing complex Android applications. With a strong background in both Flutter and Android development, I am well-equipped to handle the challenges of recreating an application from its APK file without access to the original source code. My expertise includes APK analysis and reverse engineering, having successfully completed similar projects that required the reconstruction of application behavior and logic. I understand the intricacies involved in such tasks and am proficient in utilizing the latest tools and technologies to ensure accurate replication of existing functionalities. Additionally, I have worked with software houses, delivering projects that not only meet but exceed client expectations. I am interested in exploring the potential for collaborative efforts on this long-term project. Please let me know if we could discuss further how my skills and experience align with your needs. I am open to providing more information or answering any questions you may have.
$3,000 USD in 20 days
7.4
7.4

Hello, We have experience in doing such kind of work, in past we did one similar project based on apk we developed an new app for the client both design and functionality. Can you please share the apk so I will get better understanding about the app and it's requirement. Also we have experience in developing ride hailing and vehicle rental apps. We can start the work immediately and take the responsibility for the complete app and do the further new development as well. Regards Avinash
$2,800 USD in 30 days
7.3
7.3

Hi, This looks like a Great Fit for our experience with Data-Driven Platforms. The main thing here is keeping all the Statistics Connected to the actual Match Data, so any correction updates the related records automatically. We worked on ** Jayeek **, a Real-Time Platform with Customer and Driver Workflows, Live Tracking, Notifications and Admin Management, so we’re familiar with building systems where different parts depend on the same underlying data. I’d be happy to review the specification and take it from there. Best Regards, Harish
$3,000 USD in 45 days
7.9
7.9

Recreating a Flutter app from its APK alone starts with one hard fact: Dart is compiled to native code, so the source can't be decompiled back. What can still be pulled out is a lot: the manifest and permissions, the package list and assets, strings and API endpoints, and class and method names from the Dart snapshot with tools like Blutter. Combined with running the APK and mapping every screen and flow, that gives a behavior spec to rebuild against. I'd also check early whether the backend the app talks to is still under your client's control, since that decides how much can be reproduced exactly. First step: a full feature and screen inventory of the current APK in about a week, set as the first milestone so you release it only when it's complete. I'm available for 40+ hours a week and based in GMT+2. Does the app talk to its own backend, or does it hook into the ride-hailing apps directly on the device?
$2,000 USD in 7 days
7.2
7.2

Howdy, Recreating an existing Flutter app from only its APK requires more than matching the visible screens. The important part is tracing the current user flows and rebuilding the underlying behavior closely enough that future development has a maintainable foundation rather than becoming a collection of patches. I can work through the APK systematically, identify its screens, navigation, interactions, local behavior, and integrations that can be observed, then rebuild the equivalent Flutter/Android implementation and validate it against the existing app. From there, the codebase can be structured for the additional features you plan to introduce. I understand this is intended as an ongoing engagement, so maintainability and clear handover matter as much as reproducing the current version. I can show you similar Flutter/Android reconstruction or existing-app work in chat if relevant. Portfolio: https://www.freelancer.com/u/Hammadhassan21 Best regards, Hammad Hassan
$1,700 USD in 15 days
7.3
7.3

Hi, We’re an experienced software development team with strong expertise in Flutter and Android, and this project is a great fit for us. Since the original repository is unavailable, we can analyze the provided APK and systematically reconstruct its current UI, navigation, user flows, business logic, API interactions, permissions, local storage, and other functionality. Our goal is to reproduce the existing application as accurately as possible while building a clean, maintainable Flutter codebase for future development. Our process includes: • APK and functionality analysis • UI and user-flow reconstruction • Flutter/Android implementation • API and backend integration where accessible • Maps, GPS/location, notifications and ride-related features • Testing the rebuilt app against the original APK • Preparing the project for future feature development We understand that this is more than simply recreating screens—it requires investigating undocumented behavior and rebuilding the underlying application logic. We are also interested in the long-term cooperation you are looking for. After the initial reconstruction, we can provide ongoing development, new features, optimization, bug fixing, testing, and maintenance through a dedicated Flutter/Android team. Please share the APK and any available API/documentation details. We can review them and provide a clear technical approach, timeline, and estimate. Best regards, TheApp4U Team
$2,250 USD in 30 days
7.0
7.0

Hi,I understand you need an experienced Flutter/Android developer to take over an existing ride-hailing application where the original source code is no longer available. I have done similar work involving APK analysis, application reconstruction, Flutter development, API integration, and rebuilding existing functionality based on the available application behavior. I can analyze the APK, understand the existing screens, flows and functionality, recreate the current version, and then continue with new features and improvements. I can handle: • APK analysis and functionality mapping • Flutter/Android application reconstruction • UI and user-flow recreation • API and backend integration • Ride-hailing features and workflows • Bug fixing and performance optimization • New feature development • Clean and maintainable Flutter code • Long-term development and support I’m comfortable working with your team on an ongoing basis and can adapt to the client’s future requirements. I’ve done similar work and can share relevant project links in the chat for your review. I’d be happy to review the APK and discuss the approach.
$1,500 USD in 7 days
7.7
7.7

We can take over the Flutter Android project and recreate the existing functionality based on the latest APK, including its UI, workflows, and application logic. Our team has strong Flutter and Android experience and can analyze the APK, rebuild the application structure, and prepare it for future development. Once the current version is restored, we can continue with new features, improvements, testing, and ongoing maintenance. We’re interested in a long-term partnership and can start by reviewing the APK and providing a clear development plan, timeline, and milestones. Regards Interconnect Team
$2,250 USD in 7 days
6.8
6.8

Hi Drawing from years of diverse experience in software development, my team and I pride ourselves on providing end-to-end solutions that consistently exceed client expectations. Our comprehensive skill set encompasses Java, Mobile App Development, Software Architecture, and most importantly for your project, Flutter expertise. We understand the complexities and importance of restoring an application with limited resources. Moreover, our proficiency in APK analysis guarantees the accurate reproduction of an application's functionality and behavior without access to the original repository. But our capabilities don't stop at application restoration - we're in it for the long haul. My team is known for developing scalable digital products built for growth. This makes us a perfect fit for your plan to further enrich your ride-hailing app with additional features and improvements. In conclusion, choosing our team for this project equates to choosing stability and future-oriented adaptability as we commit to fostering enduring relationships with clients. Thanks....
$2,000 USD in 7 days
7.2
7.2

Hi, It will be an honor for me to work with you. I have got 12 years of mobile application development experience (iOS, android, flutter). I will make the codebase for you from scratch and manage the backend as well. Lets discuss this in detail and get this started. Looking forward to hear from you.
$2,000 USD in 15 days
6.9
6.9

Hello, I have thoroughly reviewed the requirements for the reconstruction of the ride-hailing app using Flutter. As an experienced Mobile App Developer with expertise in Android and Flutter, I am confident in my ability to deliver exceptional results for this project. I will carefully analyze the provided APK file to recreate the application's behavior, logic, and functionality accurately. My portfolio showcases my proficiency in developing innovative mobile applications that meet and exceed client expectations. Effective communication is key to project success, and I will ensure constant collaboration and updates throughout the development process. With my skills and experience, I am well-equipped to handle the reconstruction of the ride-hailing app and implement any additional features required by the client. I look forward to the opportunity to collaborate on this project and establish a long-term partnership. Best regards Curveball Solutions https://www.freelancer.com/u/Curveballsol
$1,500 USD in 6 days
6.4
6.4

Hi I will be able to help you in for long-term with all your project from both app side and backend side. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Mobile Application development, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, Game Development and any other Software development. I am having expertise in Native on Android Java, kotlin and IOS Swift, and For Hybrid Cross platform on Flutter Dart & React- Native and for web and backend on react js and node js, Python Django. Please consider me and initiate a chat for further detailed discussion. Regards, Anju Logical Soft Tech Pvt Ltd, Indore(M.P)
$1,500 USD in 30 days
6.6
6.6

As an experienced Android and Flutter developer with over 8 years in the field and a knack for turning client ideas into reality, I believe I can bring immense value and expertise to your ride-hailing app reconstruction project. Over the years, I've successfully developed complex mobile apps for Android and have ample experience with popular solutions like CRM, ERP, and CMS systems. What differentiates me is that I don't just deliver a product; instead, I offer extensive post-delivery support. Today's world runs on delivering faster with top quality, and this principle permeates every stride of my work ethic. My strict adherence to quality ensures that extensive testing and quality checks are done before presenting the module to the client. Additionally, I provide after-sale maintenance support with a quick turnaround time to ensure your ride-hailing app runs smoothly. Most importantly for this project, although unfortunate that you've lost access to the original repository, my experience in APK analysis, recreation of application behavior from scratch, and rebuilding application logic will surely come in handy. Working with global clients across diverse countries has equipped me well to understand and cater to the unique requirements of each project - a skill highly relevant given that your ride-hailing app requires further development even after its initial reconstruction. Let's work together on this project - a long-term relationship aiding us inesen
$1,500 USD in 25 days
6.6
6.6

Rebuilding a ride-hailing app from only an APK is really about recovering the product logic correctly, not just copying screens. The main risk in projects like this is missing hidden flows, edge cases, and backend-dependent behavior, so I’d start by mapping the full user journey from the APK, documenting modules, and then recreating the Flutter structure in a way that is stable for future feature work. I’ve worked on Flutter-based mobile products where the challenge was not fresh development, but understanding and extending an existing app with incomplete technical handover. For your case, the important part is creating a clean rebuild that behaves like the current app while also being maintainable for the next development phases. To scope this properly, a few things would help: - Do you also have API documentation or access to the backend used by the current APK? - Is this passenger app only, or are there driver/admin modules tied to it as well? - Would you like the first phase to focus on feature parity only, or also app architecture cleanup for future expansion?
$1,500 USD in 7 days
6.2
6.2

Nicosia, Poland
Member since Nov 27, 2024
$250-750 USD
€750-1500 EUR
$250-750 USD
$250-750 USD
$15-25 USD / hour
$250-750 USD
€250-750 EUR
$1500-3000 USD
₹600-1500 INR
₹600-1500 INR
$250-750 USD
$500-1000 AUD
$250-750 USD
₹750-1250 INR / hour
$750-1500 USD
$250-750 USD
$15-25 USD / hour
$15-25 USD / hour
$30-250 USD
$100-1000 CAD
₹1500-12500 INR
$15-25 USD / hour
$750-1500 USD
₹1500-12500 INR
$15-25 USD / hour