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I’ve built the first working version of a mobile app that runs on both iOS and Android, and I’d like a seasoned developer to help me raise its overall quality before I move forward. Here’s what I’m looking for: • Code review – Walk through the current repository, flag inefficient patterns, security concerns, and platform-specific edge cases, then propose clear fixes. • Debugging – Reproduce, isolate, and resolve the issues you uncover (or that I outline), verifying the fixes on real devices or reliable simulators for both platforms. • UI improvements – Suggest and, where agreed, implement lightweight visual or interaction tweaks so the interface feels seamless and consistent across iOS and Android. You’ll receive read-only access to the repo first; once we agree on the action list, I’ll grant a feature branch or PR-based workflow. Please be comfortable navigating a cross-platform codebase, profiling performance, and testing on recent OS versions. If you’ve worked with automated testing or CI/CD for mobile apps, that’s a plus I’d love to leverage. I’m ready to start as soon as I find the right collaborator, and I’ll be available for quick turn-around on questions or merges. Let’s make this app rock-solid together.
N° de projet : 40249508
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64 freelances proposent en moyenne $164 AUD pour ce travail

As an experienced Full Stack Developer and Software Engineer, I possess a wide-ranging skill set that aligns perfectly with your project needs. I'm well-versed in Android, iOS Development and have hands-on experience with iPhone and Mobile App Development. Having built scalable apps across various industries, I pride myself on delivering quality-driven solutions within strict timeframes. My ability to perform a comprehensive code review, detecting and resolving any inefficiencies or potentially problematic areas will be highly valuable in raising the overall quality of your mobile app. In addition to this, my proficiency in debugging will enable me to reproduce, isolate, and effectively resolve any issues plaguing your application. Moreover, having worked with many cross-platform codebases, I'm extremely comfortable navigating complex repositories like yours. UI improvements are crucial for creating a seamless user experience and as a developer with an eye for design, I feel equipped to suggest and implement the necessary tweaks your app may need. Not only that, my familiarity with modern testing tools and strong understanding of CI/CD processes will ensure a smooth workflow during implementation. In conclusion, offering you my formidable technical expertise along with my seamless collaborative approach can make a significant impact on raising your mobile app's overall quality.
$140 AUD en 7 jours
6,6
6,6

Hello There!!! ★★★★ ( Mobile App Audit & Enhancements ) ★★★★ I understand you need a thorough review and improvement of your cross-platform iOS and Android app, focusing on code quality, debugging, and UI polish to make it seamless and stable across devices. ⚜ Full code audit to flag inefficiencies, security issues, and platform-specific edge cases ⚜ Debugging and reproduction of existing issues on real devices and simulators ⚜ Implement agreed UI/UX improvements for consistent look and feel ⚜ Performance profiling and optimization across both platforms ⚜ Recommendations for clean, maintainable code patterns ⚜ CI/CD and automated testing integration for smoother future updates ⚜ Detailed action plan and verification of all fixes With 9+ years of mobile development experience, I’ve audited and enhanced multiple cross-platform apps, improving stability, performance, and user experience. I’ll review your repo, propose fixes, implement changes, and test thoroughly on iOS and Android. Excited to help make your app rock-solid and fully polished. Let’s get started! Warm Regards, Farhin B.
$156 AUD en 12 jours
6,5
6,5

Having specialized in mobile app development and CI/CD for over a decade, I have honed my skills to deliver top-quality work that aligns with your vision. My team and I are well-versed in multiple stacks including Node, Python, JavaScript, and, most importantly, iOS and Android development. This broader understanding of code allows us to thoroughly review your repository, identifying not just inefficient patterns and security concerns but also subtle OS-specific edge cases that need addressing. Debugging the app is another area where we excel, thanks to our vast experience with different OS versions using real devices and simulators. We have the knack for reproducing issues, isolating them, and proposing efficient solutions. Finally, being in the industry for such a long time, we understand the significance of consistent design principles across platforms. We'll make sure your interface feels seamless not just within each platform but also when moving between iOS and Android. Utilizing profound UI/UX Designing expertise, we know exactly what lightweight visual or interaction tweaks would take your app to the next level. Thanks....
$140 AUD en 7 jours
6,2
6,2

Hi there, I’m ready to start immediately and will help enhance your mobile app's quality. I'll conduct a thorough code review to identify inefficiencies and security issues, followed by debugging to resolve any problems. I can also suggest and implement UI improvements for a smoother experience on both platforms. I've previously optimized a cross-platform app, ensuring it met high standards. Can you share specific areas in the UI you feel need the most attention? Regards, Burhan Ahmad
$280 AUD en 4 jours
6,0
6,0

Hi, We’ve developed several mobile apps with CI/CD pipelines and automated testing, including a cross-platform app that integrates with Shopify and uses Stripe for payments. We also have extensive experience with Firebase, Azure, and AWS for backend services. We can start with a code review to identify areas for improvement, then prioritize and implement fixes based on their impact. We can also enhance the UI/UX based on our insights or your specific feedback. Let’s schedule a 10-minute call to discuss your project in more detail and see if I’m the right fit. I usually respond within 10 minutes. Best regards, Adil
$231 AUD en 7 jours
5,7
5,7

As a seasoned developer with extensive experience in Android and iOS development, I strongly believe that my skills and background align perfectly with the needs of your project. Not only am I comfortable navigating a cross-platform codebase, but I'm also proficient in profiling performance, understanding the value of automated testing and CI/CD for mobile apps. In addition to this, I am skilled in both TDD (Test Driven Development) and FDD (Feature Driven Development) with substantial proficiency in problem-solving. Moreover, my team and I have spent considerable time working on similar projects involving codes, ensuring top quality by providing meaningful suggestions, critical debugging, and enhancing UI/ UX design aspects. Our expertise ranges from AI intelligent automation solutions to developing high-quality Flutter mobile applications (Android & iOS). This experience ensures that our proposed enhancements will be lightweight yet impactful ensuring seamless functioning of the platform across all devices. With our combined skillsets rooted in UI/User Interfacing compatibility and overall application robustness, we are ready to make your app rock-solid. Efficient merge protocols and quick turn-around concepts have always been added attributes in our expertise that will guarantee steady project movement. Believe in me and together we can take your already impressive app to the next level. Let's connect soon!
$80 AUD en 15 jours
6,7
6,7

As a seasoned, resourceful developer with over a decade's worth of experience in full-stack web and mobile application development, I believe I'd be the perfect fit for your project. My skills extend to proficiencies on both iOS and Android platforms, proficiency you're explicitly seeking. Not only can I perform comprehensive code reviews to spot and address any inefficiencies or security concerns, but I also excel at debugging, isolating issues, and offering robust resolutions. In addition to addressing existing concerns, my capabilities also cover UI improvements. I understand the significance of having a seamless and consistent interface across different platforms. With this in mind, I pledge to propose and implement lightweight visual tweaks that enhance both the look and the usability of your app. Furthermore, my expertise in automated testing and CI/CD for mobile apps benefit not just the project but also helps streamline workflow efficiency for our partnership. Moreover, working with clients is a collaborative experience that I truly value; your inputs will always be prioritized as we work together to make your app not just solid but 'rock-solid.' So why wait? Let's begin this enriching journey together and witness your app evolve into its full potential! With Regards!
$250 AUD en 7 jours
5,9
5,9

Elevating your mobile app's quality is a crucial step, and I'm here to assist. With a focus on enhancing code efficiency, addressing security issues, and refining UI elements for a seamless experience, we can ensure your app is ready for the next stage. As a seasoned developer with extensive experience in cross-platform mobile development, I specialize in code optimization, thorough debugging, and UI enhancements. My approach involves a detailed code review followed by precise debugging to resolve issues. I am adept at working within a collaborative PR-based workflow, ensuring smooth integration and testing on the latest OS versions. Could you share more about the specific challenges you've encountered so far? I'm eager to discuss how we can collaborate to make your app robust and user-friendly. Let's connect to align our goals and take this project to the next level.
$100 AUD en 7 jours
5,6
5,6

Hello! I'm excited about the opportunity to elevate your mobile app to its full potential. With extensive experience in cross-platform development, I can conduct a thorough code review to identify inefficiencies, security issues, and platform-specific challenges, offering clear solutions along the way. My debugging skills are honed to pinpoint and resolve issues on both iOS and Android, ensuring seamless functionality across devices. Additionally, I'm adept at refining UI elements to enhance user experience, making the interface intuitive and consistent. Could you share more about the specific areas of performance you’d like to focus on improving? Do you have any preferred tools or frameworks for automated testing and CI/CD that you'd like me to integrate with your app? I'm eager to collaborate and make your app rock-solid. Let's discuss how we can achieve your goals together.
$100 AUD en 7 jours
5,8
5,8

Hi, there, I am an experienced developer with expertise in debugging, iOS development, UI enhancements, and mobile app testing. With a keen eye for detail and a strong background in enhancing mobile applications, I am excited about the opportunity to collaborate with you to raise the quality of your mobile app and ensure it runs seamlessly on both iOS and Android platforms. ✅ Leveraging my skills in code review, I will thoroughly examine your current repository to identify inefficient patterns, security concerns, and platform-specific issues. I will provide clear and actionable fixes to enhance the app's performance and security. ✅ For debugging, I will meticulously isolate and resolve any issues, ensuring they are verified on real devices and reliable simulators for both iOS and Android. I will guarantee that the app functions flawlessly post-fix. ✅ In terms of UI improvements, I will offer suggestions for lightweight visual and interaction tweaks to create a seamless and consistent user interface experience across both platforms. I will implement the agreed-upon enhancements to elevate the overall aesthetics and usability of the app. ✅ When it comes to testing and quality assurance, I will apply my expertise in profiling performance and testing on recent OS versions to ensure optimal functionality. If needed, I can incorporate automated testing and CI/CD into the app development process to streamline testing procedures ✅ Lastly, I am committed to swift communication an
$200 AUD en 3 jours
5,5
5,5

Hello Dear! I write to introduce myself. I'm Engineer Toriqul Islam. I was born and grew up in Bangladesh. I speak and write in English like native people. I am a B.S.C. Engineer of Computer Science & Engineering. I completed my graduation from Rajshahi University of Engineering & Technology ( RUET). I love to work on Web Design & Development project. Web Design & development: I am a full-stack web developer with more than 10 years of experience. My design Approach is Always Modern and simple, which attracts people towards it. I have built websites for a wide variety of industries. I have worked with a lot of companies and built astonishing websites. All Clients have good reviews about me. Client Satisfaction is my first Priority. Technologies We Use: Custom Websites Development Using ======>Full Stack Development. 1. HTML5 2. CSS3 3. Bootstrap4 4. jQuery 5. JavaScript 6. Angular JS 7. React JS 8. Node JS 9. WordPress 10. PHP 11. Ruby on Rails 12. MYSQL 13. Laravel 14. .Net 15. CodeIgniter 16. React Native 17. SQL / MySQL 18. Mobile app development 19. Python 20. MongoDB What you'll get? • Fully Responsive Website on All Devices • Reusable Components • Quick response • Clean, tested and documented code • Completely met deadlines and requirements • Clear communication You are cordially welcome to discuss your project. Thank You! Best Regards, Toriqul Islam
$80 AUD en 2 jours
5,2
5,2

Your approach is exactly right - read-only repo access first, agree on the action list, then work through it methodically. That keeps the process clean and avoids scope creep. What framework is the app built in - React Native, Flutter, or something else? That affects where I look first for cross-platform edge cases and what profiling tools I would use. For the code review, I would go through the codebase looking at three things: security (API key exposure, improper storage, unsafe navigation), performance (unnecessary re-renders, blocking calls on the main thread), and platform-specific issues (iOS vs Android layout quirks, permission handling differences). I would put findings in a prioritized document with clear fixes. For debugging, I can repro issues on both iOS and Android simulators and test on physical devices for anything that only shows up on hardware. If you have a CI/CD setup already, I can work within it - if not, I can set up basic GitHub Actions for test runs. For UI, I keep it lightweight - fix the things that feel broken or inconsistent first, suggest bigger visual changes as optional additions. Happy to start as soon as I have repo access. - Usama
$220 AUD en 7 jours
5,1
5,1

✋ Hi There!!! ✋ The Goal of the project:- Conduct a thorough audit and implement enhancements to improve the quality, performance, and user experience of your cross-platform mobile app for iOS and Android. I have carefully reviewed your project description and understand the need for code review, debugging, and UI improvements to make the app seamless and reliable. I am the best fit for this project because I bring 9+ years experience as a full stack developer with extensive cross-platform mobile app expertise. • Perform a detailed code review and flag inefficiencies or security concerns • Debug issues on real devices and simulators for both iOS and Android • Suggest and implement lightweight UI enhancements for a consistent interface I provide UI design, database management, testing, and full source code delivery at project completion. I have successfully improved cross-platform apps with performance optimization and CI/CD integration. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
$100 AUD en 10 jours
5,1
5,1

Hello!!! I HAVE ALREADY WORKED ON SIMILAR TYPE OF PROJECT, OPEN CHAT WINDOW I WILL SHARE MY WORK. I have two questions: Are there any specific performance benchmarks or crash metrics you want me to focus on during the audit? Also, do you prefer UI improvements to follow your current design language strictly or allow some modern enhancements? What I offer: ⭐ Thorough code review highlighting inefficiencies and security concerns ⭐ Debugging across iOS and Android with fixes verified on real devices ⭐ UI/UX enhancements for a consistent, smooth cross-platform experience ⭐ Performance profiling and optimization suggestions ⭐ Guidance on automated testing and CI/CD integration ⭐ Clear documentation of fixes and improvements for your team I have 7+ years of experience in mobile app development, debugging, and cross-platform optimization. My approach: I will audit the codebase, identify and resolve issues, and implement agreed UI improvements. Testing will cover multiple OS versions to ensure stability and responsiveness. Regular updates will keep you in the loop. Let’s connect in chat to discuss the workflow and priorities. Best Regards, Shaiwan Sheikh
$129 AUD en 7 jours
5,0
5,0

Hello! As a seasoned mobile app developer with over 9 years of experience in cross-platform iOS and Android builds, I specialise in elevating working apps into stable, production-ready products. Here’s how I can help: * Conduct a thorough code review to flag inefficient patterns, security risks, and platform-specific edge cases * Reproduce and debug reported issues, validating fixes on real devices or reliable simulators * Profile performance and optimise responsiveness across recent OS versions * Suggest and implement lightweight UI/UX refinements for seamless cross-platform consistency * Support PR-based workflow and recommend CI/CD or automated testing improvements if needed I’m comfortable working with read-only access first and moving into structured feature branches. Which framework is the app built in (Flutter, React Native, native)? The amount can be negotiated based on codebase size and issue depth.
$180 AUD en 7 jours
4,7
4,7

I can do full testing of your apps We have extensive experience of over 10+ years in iOS and Android native app development and also web using php Laravel framework. We are confident in iOS and Android app development and also web using php Laravel framework. Have a look my past review-ratings.
$30 AUD en 30 jours
4,5
4,5

Hi there! 1️⃣First off, CONGRATS on getting a working cross-platform app live on both iOS and Android. That’s already a big milestone⭐. Now it’s about turning “working” into “solid, polished, and scalable”. I’m very comfortable stepping into an existing codebase and doing structured reviews. My approach is systematic: I audit architecture, state management, async handling, memory usage, security exposure (tokens, storage, API calls), and platform-specific behaviors. ✅For debugging, I reproduce issues first before touching code. I test on both real devices and updated simulators to catch OS-specific quirks, background state issues, permission edge cases, and performance bottlenecks. Fixes are verified, not assumed. ✅On UI polish, I focus on subtle but impactful refinements, spacing, interaction timing, animation consistency, platform-native feel (iOS vs Android conventions), and small UX friction points that users feel even if they can’t describe them. I’m comfortable working PR-based, feature-branch driven, and I can also help tighten automated testing or CI/CD if you’d like to future-proof releases. If you’re open to it, I’d start with a structured review summary and prioritized action list so we align before implementation begins. Would love to help you make this rock-solid. Best Regards, Viraj
$140 AUD en 10 jours
4,3
4,3

Hello, I hope you’re well. I’m a senior mobile developer focused on delivering robust, cross‑platform apps. I bring hands‑on experience auditing, debugging, and polishing codebases for iOS and Android, with attention to performance, security, and UX parity across platforms. I’ll review your repository, flag inefficiencies, security concerns, and edge cases, and propose concrete fixes to raise quality and maintainability. In similar projects I’ve implemented end‑to‑end audits, set up targeted debugging workflows, and suggested UI refinements to tighten platform coherence while preserving your design intent. I work with real devices and reliable simulators, and I’m comfortable profiling performance, simulating edge cases, and validating fixes across current OS versions. I can start right away and drive the work through a clear action list, validate changes, and ensure fast, reliable delivery. Best regards, Billy Bryan
$250 AUD en 3 jours
3,0
3,0

Hi, I’ve read your description and I’m confident I can help make your cross-platform app rock-solid. I’ll start with a focused code review of the read-only repo to identify inefficient patterns, security concerns, and platform-specific edge cases, then deliver a clear, prioritized action list. After you grant a feature-branch or PR workflow I will reproduce and isolate bugs, implement verified fixes on real devices and reliable simulators for both iOS and Android, and suggest or apply lightweight UI/interaction tweaks to ensure a consistent, native-feeling experience. I’ll also surface opportunities to add automated tests and tighten CI/CD where it makes sense. Next step: I can begin the review within 24-48 hours of repo access and deliver the initial audit and action plan in 3-5 days; fixes and UI tweaks can follow in iterative PRs. What is the app's tech stack (React Native, Flutter, Xamarin, or native), and do you already have CI/CD and automated tests in place? Thanks, Cindy Viorina
$30 AUD en 18 jours
2,1
2,1

❤️Hello! Congratulations on getting your first working version live on both iOS and Android — that’s a major milestone. I’d be glad to help you turn it from “working” into polished, performant, and production-ready. I regularly step into existing cross-platform codebases to perform structured reviews, stabilize edge cases, and elevate UI/UX consistency across platforms. My approach is systematic, collaborative, and focused on measurable improvements. I am really impressed about this opportunity as this is perfect fit for my skills and would like to discuss how we can move forward. Regards,
$100 AUD en 7 jours
2,2
2,2

Perth, Australia
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