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I already have a Flutter mobile application with around 90% of the development completed. I am looking for an experienced Flutter developer/team to finalize the app and make it fully production ready for both Android and iOS. Scope of work: - Review existing Flutter codebase - Complete pending features - Fix bugs and improve stability - Optimize UI/UX and app performance - API/Firebase integration fixes if required - Ensure Android and iOS compatibility - Testing and debugging - Generate production-ready builds - Optional support for Play Store and App Store deployment Requirements: - Strong Flutter & Dart experience - Experience with Firebase and REST APIs - Experience publishing apps on Play Store and App Store - Ability to work with existing codebases - Clean and maintainable coding practices Please share: - Previous Flutter apps - Play Store/App Store links - Estimated timeline - Budget quote Source code and project details will be shared only with shortlisted freelancers due to project confidentiality. Preferred developers should have experience delivering production-ready Flutter applications. Please start your proposal with “FlutterPro” so I know you have read the complete project description.
Project ID: 40450339
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60 freelancers are bidding on average ₹27,935 INR for this job

FlutterPro I reviewed your requirement carefully, and I can help you complete and polish your existing Flutter application into a fully production-ready product for both Android and iOS. I have strong experience working with existing Flutter codebases, bug fixing, Firebase integrations, REST APIs, UI optimisation, performance improvements, testing, and final deployment. I can assist with pending features, app stability, API fixes, store-ready builds, and App Store/Play Store publishing support. I also focus on clean, scalable, and maintainable code to ensure long-term reliability. I have worked on multiple Flutter applications, including eCommerce, salon booking, real estate, healthcare, and service-based apps, with production deployment experience. I am ready to review the current source code and provide an accurate timeline and budget after checking the remaining tasks.
₹35,000 INR in 7 days
8.3
8.3

Hi there, FlutterPro As you already have around 90% of the Flutter application completed, I can help you finalize the remaining features, fix bugs, improve stability, optimize the UI/performance, and make the app fully production ready for both Android and iOS. I will review the existing codebase first, resolve the pending API/Firebase integration issues if any, perform proper testing/debugging, and generate the final production builds with optional Play Store and App Store deployment support. I would request to connect once so we can review the current app status and pending task list properly. Thanks, Rahul A.
₹28,000 INR in 7 days
7.8
7.8

I can help finalize your Flutter application and make it fully production-ready for both Android and iOS with a strong focus on stability, performance, clean architecture, and smooth store deployment. I have experience working on existing Flutter codebases, completing pending modules, fixing complex bugs, optimizing UI/UX, integrating Firebase/REST APIs, and publishing apps successfully on both Play Store and App Store. My scope will include: • Full codebase review and architecture assessment • Completion of pending features • Bug fixing, testing, and performance optimization • Firebase/API integration improvements • Android & iOS compatibility validation • Production-ready AAB/IPA build generation • Optional Play Store & App Store deployment support I follow clean and maintainable coding practices with proper debugging, version control, and scalable structure to ensure long-term stability. Available to start immediately after reviewing the source code and pending task list. Looking forward to discussing timeline, budget, and deployment requirements in detail.
₹25,000 INR in 7 days
7.1
7.1

FlutterPro Hello, I have 10+ years of experience in Flutter, Firebase, REST API integration, and cross-platform mobile application development. I specialize in taking partially completed Flutter projects, stabilizing the codebase, optimizing performance, and preparing apps for full production release on both Android and iOS. I am comfortable working with confidential existing codebases and follow clean, maintainable coding standards for long-term scalability. My experience includes: • Flutter + Firebase applications • Real-time apps and API-driven platforms • App Store/Play Store publishing workflows • Production optimization and debugging Estimated timeline and final budget can be confirmed after reviewing the current project status and pending tasks. Best regards
₹25,000 INR in 7 days
7.0
7.0

Hi I will be able to help you. 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)
₹25,000 INR in 12 days
6.6
6.6

FlutterPro Hi, I’m experienced with completing and stabilizing existing Flutter applications, including bug fixing, Firebase/API integration, performance optimization, and preparing production-ready Android & iOS builds. I can help with: • Reviewing the current codebase • Completing pending features • Fixing bugs & improving stability • UI/UX and performance optimization • Firebase/API fixes • Testing & production builds • Play Store & App Store deployment support I’ve worked on Flutter apps involving Firebase, REST APIs, authentication systems, and production deployments, so I’m comfortable working with existing codebases and improving maintainability. Estimated timeline: 2–5 weeks depending on remaining scope. A few quick questions: • Which state management solution is being used? • Are Android & iOS builds currently compiling successfully? • Do you already have store accounts ready for deployment? I’m available to start immediately and would be happy to review the project details after shortlisting. Regards, Abhishek
₹25,000 INR in 7 days
5.5
5.5

FlutterPro Hi, I can help you take your existing Flutter app from 90% complete to production-ready for both Android and iOS. I have worked on several Flutter projects where I joined at the final stage to review existing code, fix pending issues, complete features, improve stability, optimize performance, and prepare release builds. I am comfortable working with existing codebases and can handle bug fixing, UI/UX refinements, Firebase/API fixes, testing, and store-ready build generation. If needed, I can also assist with Play Store and App Store deployment. Recently, I have worked on apps like LadyFair CRM and Yasko Dental Hospital CRM, handling real-time workflows, Firebase integrations, maintenance, and production deployment. Since every partially completed project is different, I would first review the codebase and pending scope. After that, we can finalize the timeline and cost based on the actual work required. I am fine working under confidentiality and can start immediately after review. Looking forward to discussing it.
₹27,800 INR in 7 days
4.8
4.8

FlutterPro Hi, I’m Karthik, a Flutter developer with 15+ years of experience in mobile application development, Firebase integrations, API connectivity, and production deployment for Android & iOS. I can help finalize your existing Flutter app and make it fully production-ready with a strong focus on stability, performance, clean architecture, and store compliance. What I can handle: • Complete review of existing Flutter/Dart codebase • Finish pending features and workflows • Bug fixing, testing, and performance optimization • Firebase & REST API integration fixes • UI/UX polishing and responsive improvements • Android & iOS compatibility validation • Production APK/AAB & iOS build generation • Play Store & App Store deployment support I have experience working on existing confidential codebases and delivering scalable Flutter applications across eCommerce, booking, healthcare, tracking, and business automation domains. My approach includes: • Code cleanup and maintainability improvements • Crash/error analysis and debugging • Security and performance optimization • Proper testing before production release Estimated timeline: • Initial review & audit: 1–2 days • Finalization & fixes: 1–3 weeks depending on pending scope I’d be happy to review the project details after shortlisting and provide a precise timeline and budget estimate. Best regards, Karthik
₹55,000 INR in 7 days
4.4
4.4

✔ I deliver 100% work — 99.9% is not for me. ✔ Workflow Diagram Existing Codebase Review ⟶⟶ Pending Features Completion ⟶⟶ API & Firebase Fixes ⟶⟶ UI/UX Optimization ⟶⟶ Performance Tuning ⟶⟶ Android & iOS Compatibility Testing ⟶⟶ Bug Fixing & Debugging ⟶⟶ Production Build Generation ⟶⟶ Store Deployment Support Key Highlights ✔ FlutterPro — experienced in completing and scaling existing Flutter applications. ✔ Deep review of current Flutter/Dart architecture before implementation. ✔ Completion of pending modules with clean, maintainable production-grade code. ✔ Firebase & REST API integration troubleshooting and optimization. ✔ UI/UX polishing for smoother navigation and responsive cross-device experience. ✔ Performance optimization for faster load times and reduced app crashes. ✔ Full Android & iOS compatibility testing on real devices. ✔ Advanced debugging and stability improvements for production readiness. ✔ Secure build configuration for Play Store & App Store submission. ✔ Clean code practices with scalable structure for future updates. ✔ Optional deployment support including signing, builds & store publishing guidance. Best Regards, Asad Flutter Developer | Firebase & API Integration Expert | Mobile App Optimization Specialist
₹18,000 INR in 10 days
4.0
4.0

FlutterPro I have solid experience working with Flutter applications that are already partially developed and need final polishing before production release. I can help review your existing codebase, complete the remaining features, fix bugs, optimize performance, and prepare stable Android/iOS production builds. My experience includes: * Flutter & Dart application development * Firebase integration (Auth, Firestore, Notifications, Analytics) * REST API integration and debugging * UI/UX optimization and responsive layouts * Performance tuning and crash fixing * Android & iOS release management * Play Store and App Store deployment support I’m comfortable working with existing architectures and maintaining clean, scalable code while improving app stability and user experience. I can also assist with: * Final testing and QA * API/Firebase issue resolution * Production build generation * Store submission guidance/support Estimated timeline and budget can be shared after reviewing the current codebase and pending tasks, but I’m confident I can help you complete the remaining work efficiently. I value clear communication, fast turnaround, and production-quality delivery. Looking forward to discussing your app in more detail.
₹25,000 INR in 7 days
3.7
3.7

FlutterPro Hi, I can help complete and polish your existing Flutter application and make it fully production-ready for both Android and iOS. I have strong experience working on existing Flutter codebases, including feature completion, Firebase/API fixes, performance optimization, bug fixing, UI refinement, and Play Store/App Store deployment. I’m comfortable jumping into partially completed projects, understanding the architecture quickly, and stabilizing the app for production release. What I can help with: Full codebase review and cleanup Complete remaining features Bug fixing and stability improvements Firebase and REST API integration fixes UI/UX polishing and responsiveness Android & iOS compatibility testing Production APK/AAB & IPA generation Optional Play Store/App Store publishing support I follow clean architecture practices, reusable widget structure, proper state management, and maintainable code standards so future updates remain easy. I can also share relevant Flutter app examples and store links privately. Estimated timeline and budget can be finalized after reviewing the current source code and pending task list.
₹25,000 INR in 7 days
3.6
3.6

I can help complete and productionize your existing Flutter app by reviewing the current codebase, fixing pending issues, optimizing performance/UI, stabilizing Firebase & API integrations, and delivering clean Android/iOS production builds ready for Play Store and App Store release. I have experience working with large existing Flutter codebases, app publishing workflows, Firebase services, REST APIs, crash/debug optimization, and final QA testing to ensure smooth cross-platform performance and maintainable long-term architecture
₹25,000 INR in 7 days
3.3
3.3

I can jump into the existing Flutter codebase, stabilize pending areas, optimize performance, and take it through production readiness for both Android and iOS without disrupting the current architecture. What features are still incomplete in the remaining 10%? Is state management using Provider, Bloc, or Riverpod? Are the current issues more around UI, APIs, or Firebase behavior? Best regards, Muzammil
₹25,000 INR in 7 days
2.8
2.8

FlutterPro, you can count on me to complete your project to the highest standard and make it fully production-ready. Having been a part of the Dlite Info Tech team, I am proficient in Flutter, Dart and skilled in API development essential for this project. I have experienced deploying mobile applications to both Play Store and App Store, ensuring the compatibility of apps on all major platforms. Additionally, my fluency in working with existing codebases combined with clean coding practices ensures that your existing 90% developed Flutter mobile application will be seamlessly completed. As a professional who values punctuality, I guarantee delivering your project within a reasonable timeline without compromising its quality. My solutions are result-oriented, reliable and guarantee performance just as you need for your app. You can rely on me for all aspects of the project from testing, debugging to generating production-ready builds. Above all else, I understand the significance of maintaining good communication throughout the project. You will always be updated with the progress and receive any clarifications you need promptly. With efficient working experience gained from Dlite Info Tech designing interfaces for mobile apps, my app designs 중ække sure to transcend expectations making your app usage intuitive and stunning. Let's collaborate to deliver an extraordinary product that exceeds your users' expectations!
₹27,500 INR in 7 days
2.7
2.7

FlutterPro here! With over 8 years of diverse experience in mobile app development, including significant expertise in Flutter and Dart, I'm confident I can take your app to the finish line. Having delivered 150+ mobile applications successfully with 100% client satisfaction, I understand the level of precision and attention to detail that producing a high-quality app demands. Not only do I have a rock-solid grasp on Flutter, but I'm extensively skilled with Firebase and REST APIs - essential for effective backend integration. Fluent in Android and iOS development languages and processes, I guarantee a bug-free, optimized, and compatible outcome for both platforms. But don't just take my word for it - check out my past projects on the App Store and Play Store! My apps showcase functionality and user-friendliness while maintaining efficient coding practices and clean design. Furthermore, you can expect a swift turnaround as I'm committed to delivering before the deadline without sacrificing quality or accuracy. Let's get your project where it needs to be efficiently with minimal disruption!
₹25,000 INR in 7 days
1.5
1.5

Hi, I can help with making your existing Flutter app fully production ready for both Android and iOS. I’ll start by reviewing the 90% codebase, completing pending features, and running focused debugging to improve stability, UI/UX, and performance. I’ll reduce risk by validating REST/Firebase integrations end-to-end and testing on multiple devices before generating production builds. Which Firebase and REST services/endpoints does the app use today? Do you already have Android Play signing and iOS signing assets ready for submission? Reply and I’ll suggest a clear timeline and fixed-price scope for your next steps.
₹12,500 INR in 3 days
1.0
1.0

FlutterPro Hello, I have 14+ years of experience in mobile and web application development and can help finalize your Flutter app and make it production ready for both Android and iOS. I am comfortable working with existing codebases and can help with: * Pending feature completion * Bug fixing and app stabilization * Firebase/API integration fixes * UI/UX and performance optimization * Testing and debugging * Android/iOS build generation * Play Store and App Store deployment support I focus on clean and maintainable code, especially when taking over partially completed projects. Once I review the current codebase and pending task list, I can provide an accurate timeline and budget estimate. Looking forward to hear from you. Regards, Nitin Johnson
₹25,000 INR in 5 days
0.4
0.4

FlutterPro: As an experienced full-stack developer, I have a deep understanding of the WordPress and PHP ecosystem, tailoring customized digital systems that can effectively address complex business needs. My expertise in building high-performance apps extends beyond WordPress and PHP, into developing sophisticated Flutter applications too. The diversity of my professional portfolio is impressive; I have worked on LMS systems, tourism websites, and large WooCommerce stores. Much like your project, these required optimizing code performance, ensuring stable UI/UX experiences, API/Firebase integration- all critical elements for your pending app finalization. Being versed in signing apps for deployment on both Play store and App store also adds to my adequacy. Moreover, I understand your concern for clean and maintainable coding practices; it's hallmark of my work that helps facilitate smooth hand-offs between different developers. As an inherently versatile developer who never shies away from complex tasks, you can trust me to swiftly get acquainted with your existing codebase while adding value to it. Given my technical depth and penchant for ensuring optimal app performance, I'm confident that I am the ideal fit to finalize your Flutter app – deploying highly-functioning and bug-free apps is not just a profession but a passion too! Let’s invest our combined experience into making your vision a success and ensuring your users get the best in class Flutter experience!
₹37,500 INR in 3 days
0.0
0.0

I'll handle it, don't worry. Your challenge lies not just in finishing the app, but in bridging the gap between a nearly complete codebase and a seamless, fully optimized production-ready application that performs flawlessly on both Android and iOS. I've tackled this exact friction of integrating Firebase and REST APIs within existing Flutter projects while ensuring clean, maintainable code and smooth multi-platform deployment. Although I am new to the Freelancer platform, I bring a wealth of real-world experience and a proven track record of successfully delivering projects beyond this platform. A recent client saw significant user engagement growth after I refined their app’s UI/UX and boosted stability which in turn directly improved revenue streams. Let's connect and explore how we can bring your vision to life. Regards, Ahead Solutions P.S. If you're not happy with our work , You don't pay
₹25,000 INR in 14 days
0.0
0.0

Hi, I have carefully reviewed your requirements. I understand you already have a Flutter app about 90% completed and need an experienced developer to finalize it and make it fully production-ready for both Android and iOS. I specialize in working with existing Flutter codebases, completing pending features, fixing complex bugs, and improving overall performance and stability. I also focus on clean architecture and maintainable code so the app remains scalable after delivery. I can help you with: • Full codebase review • Completing unfinished features • Bug fixing and stability improvements • UI/UX enhancements and performance optimization • Firebase / API integration fixes • Android & iOS compatibility testing • Production build generation • Play Store & App Store deployment support (if needed) I have strong experience in Flutter, Dart, Firebase, and REST APIs, and I have worked on production-level apps including publishing to both Play Store and App Store. Before providing timeline and budget, I would like to review the current codebase to understand the remaining scope clearly. Please share the project details when ready. Best regards, Muhammad Arslan
₹25,000 INR in 60 days
0.0
0.0

Bengaluru, India
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₹750-1250 INR / hour
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₹12500-37500 INR
₹150000-250000 INR
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