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I need an experienced Android developer to work on existing mobile app to add more features and stabilize the product.
Project ID: 40202533
68 proposals
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Active 2 hours ago
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68 freelancers are bidding on average $8 USD/hour for this job

Greetings from Logictrix! My name is Jas, and I am looking forward to discuss about your app in details over the Chat or Call. We have enough app developers available in team so I can assure you to deliver this project at a fairly low cost with great quality and with a commitment for long term support. *** We have now earned 'Expertise' level in AI, ChatGpt and a couple of other AI platforms for App development and other Chatbot work! *** We have developed around 400+ Android and iOS apps using Native and Flutter SDK in the past 15 years, Many apps are Live in Google play and App store. We will share our detailed portfolio over the Chat once we connect. Looking forward to your reply... Thanks and Regards Jas
$8 USD in 40 days
9.6
9.6

Hello, i am a native Android applications developer with over 8 years of experience developing Android mobile applications. I have completed more than 515 projects. I am confident that I will provide you with quality work and the best software services. Let's chat to proceed.
$10 USD in 40 days
8.9
8.9

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 Android app enhancement 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
$2 USD in 40 days
8.0
8.0

I HAVE WORKED ON SIMILAR ANDROID APPS WHERE I IMPROVED FEATURES, FIXED CRITICAL ISSUES, AND TOOK THE PRODUCT TO A STABLE PRODUCTION RELEASE. I’m an experienced Android developer ready to jump into your existing app, understand the current codebase, and enhance it with new features while improving overall stability and performance. Core Focus Areas Review and refactor existing code for better performance and maintainability Add new features as per your requirements using clean, scalable architecture Fix bugs, crashes, ANRs, and edge-case issues Optimize UI/UX flows and improve responsiveness Ensure compatibility across Android versions and devices Improve app security, API handling, and data storage User Roles End Users: smoother experience, faster performance, fewer crashes Admin/Business Owner: stable app, easier future enhancements, cleaner codebase I follow best practices with version control, modular code, and proper documentation to ensure the app remains easy to scale. You will receive the complete updated source code, with clear handover and guidance for future development.
$5 USD in 40 days
8.3
8.3

Hello, I hope you are doing well. I understand that you are looking to build a BUSINESS MOBILE APPLICATION and I would be happy to help. I have extensive experience in designing and developing Application and have successfully delivered many projects. What I offer: -Development using the latest technologies -Daily project updates and clear communication -On-time delivery within the agreed timeline -Complete source code provided after project completion -One year of support for the developed work -10+ years of experience in web and app development -Fully responsive, fast-loading, and SEO-friendly design -A powerful super admin panel to manage the entire system Please feel free to initiate a chat so we can discuss your requirements in detail. Thank you and regards, Dheeraj K.
$8 USD in 40 days
7.0
7.0

Hi There! ⚜⭐⭐⭐⭐⚜(( Improve and stabilize an existing Android business app with additional features for better user experience and functionality. Ensure smooth performance and seamless integration of APIs. Enhance the app design while maintaining consistency across Android devices. ))⚜⭐⭐⭐⭐⚜ I HAVE EXTENSIVE EXPERIENCE WORKING ON ANDROID BUSINESS APPS WITH JAVA AND KOTLIN AND HAVE DELIVERED SIMILAR FEATURE UPGRADES AND STABILIZATIONS. I AM READY TO SHARE SIMILAR WORK IN THE CHAT AND DISCUSS HOW WE CAN ELEVATE YOUR APP TO MEET YOUR GOALS. I WOULD BE GLAD TO CHAT AND EXPLORE HOW TO MAKE YOUR APP MORE STABLE AND FEATURE-RICH. Warm Regards, Farhin B.
$2 USD in 40 days
6.4
6.4

Hello As per your project post you are looking for an experienced Android developer to work on an existing business application with the goal of adding new features while improving overall stability and reliability. The focus is to strengthen the current product rather than starting from scratch and ensure it performs smoothly for real users. My focus will be on understanding the current app structure identifying pain points and incrementally enhancing the application with well planned feature additions. Alongside new functionality I will prioritize app stability performance improvements and fixing edge case issues so the product feels solid and dependable in daily business use. I specialize in Android application development with experience working on live production apps that require ongoing enhancements and maintenance. My approach is to work carefully within the existing codebase keep changes organized and make sure every update improves usability without disrupting current users. Let’s connect to review the current app state define clear priorities and move toward a more stable and feature complete Android product. Best regards Nikita Gupta
$10 USD in 40 days
5.1
5.1

Hi There!!! The Goal of the project:- Enhance and stabilize an existing Android business application by adding new features and improving overall reliability and performance. I have carefully reviewed the project and understand that you need an experienced Android developer who can work with your current codebase, extend functionality, fix issues, and ensure the app runs smoothly across devices. I am the best fit because I have strong hands on experience maintaining and scaling existing Android apps rather than only building from scratch. 1. Feature development and stabilization using Java and Kotlin in Android Studio 2. API integration and improvements within the current app architecture 3. UI refinement and performance optimization for business use cases I will provide UI design support, database management, thorough testing, API handling, and full source code delivery at project completion, along with ongoing maintenance support as needed. I bring 9+ years experience as a full stack developer and have already worked on multiple Android business and enterprise apps that required continuous feature updates and stability fixes. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
$6 USD in 40 days
5.1
5.1

Hi there, With 4 years of experience in native Android development (Kotlin/Java) and maintaining existing apps, I can add new features and stabilize your current mobile application. I’ll work cleanly within your existing codebase, fix issues, improve performance, and deliver reliable updates. Happy to review the app and get started right away.
$5 USD in 40 days
4.5
4.5

Hello, I understand you need an experienced Android developer to take your existing mobile app, add new features, and stabilize it for reliable use. The focus is on quickly understanding the current codebase, implementing enhancements without breaking existing functionality, and ensuring smooth, bug-free performance. I’m a senior Android developer with 6+ years of experience working on ongoing and partially completed apps and have completed multiple SIMILAR PROJECTS where I stepped into existing codebases, added complex features, fixed edge-case bugs, optimized performance, and delivered stable production-ready builds. For your project, I will review your current app, implement the requested new features, resolve any existing issues or crashes, and optimize the app for performance and stability. The code will remain clean, well-documented, and maintainable. I will also provide guidance for deployment and future updates. I WILL PROVIDE 3 MONTHS FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE; WE WILL WORK WITH AGILE METHODOLOGY AND WILL GIVE YOU ASSISTANCE FROM DEVELOPMENT TO FINAL RELEASE. I’D BE HAPPY TO DISCUSS SIMILAR APP IMPROVEMENT PROJECTS IN A PRIVATE CHAT. Best regards, Prasham Jain
$8 USD in 40 days
3.7
3.7

Hello, I have gone through your job description carefully.I am confident that I can definitely design and develop a ** to work on existing mobile app to add more features and stabilize the product.d ** As per your idea and provide you with all the features and functionality that you require.I have already worked on similar kind of work.I am ready to start work immediately. I have 8+ years of experience in Website and Mobile apps (Android/IOS) with a solid background in admin API integration and UI/UX design with creative design and 100% customer satisfaction.I am confident in my experience and skills.I have a proven track record of delivering successful projects.I believe in a long-term relationship. ***** If you choose me, then I will promise you these points. >> Unlimited Change UI/UX & 100% Clean Code >> Best Quality and highest professional services. >> Free Bug-Fix support. Please feel free to connect with me on chat so I can show you examples of my past work. Thanks Regards Mandavi
$2 USD in 40 days
4.3
4.3

Hello! I have prior enterprise app development experience at Wooqer which is a business app. At Wooqer I was responsible for maintaining and enhancing the android app. I'm happy to chat about my experience overall. Best, Abel
$8 USD in 40 days
3.9
3.9

Building a successful Android business app requires not only technical skills but also a deep understanding of your business objectives. As the CEO and lead developer at Web Crest, I bring both these aspects on board. With over a decade-long experience in mobile app development and API integration, my team and I have successfully delivered several robust solutions for businesses. From your project description, it's clear that you need to enhance your existing mobile app as well as stabilize it. Drawing on our expertise with Android and Mobile App development specifically, we are well-equipped to fulfill these needs. We have extensive experience in adding new features, fine-tuning functionality, and delivering stable products that scale with business growth. Beyond just performing the tasks at hand, we strive to establish long-term collaborative relationships with our clients. This dedication fuels us to provide tailored solutions that not just meet but exceed your expectations. So if you're ready to innovate and build a future-proof business application together, then let's get started!
$5 USD in 40 days
2.9
2.9

Hello, I understand you need an experienced Android developer to enhance your existing mobile app by adding new features and stabilizing the product. With a solid background in Android development, I have worked on various mobile applications, focusing on performance optimization and feature enhancement. My experience includes collaborating with teams to identify and implement user-requested features while ensuring a smooth user experience. Here’s how I would approach your project: Review the current codebase to identify areas for improvement and potential stability issues. Collaborate with you to prioritize new features based on user feedback and business goals. Implement enhancements using best practices in Android development to ensure scalability and maintainability. Conduct thorough testing to ensure that new features integrate seamlessly and improve overall app performance. Could you share more details about the specific features you want to add and any known issues that need addressing? I’m ready to start as soon as we clarify the scope and timeline. Looking forward to working together!
$10 USD in 40 days
3.1
3.1

Dear Client, We have an experienced Android development team ready to enhance your existing app by adding new features and improving overall stability. Our team specializes in performance optimization, bug fixing, and scalable feature integration for production-ready apps. We can start immediately and ensure smooth delivery with clear communication and timely updates - Team Teanso.
$8 USD in 40 days
0.8
0.8

Hi, I reviewed your project about "Android Business App Development" and noticed that you're working with existing mobile app enhancements in Kotlin and Java. That tells me the main challenge here is integrating new features seamlessly while stabilizing the current product to ensure smooth performance. I’ve worked on similar mobile app development projects where I: - designed scalable backend APIs, - implemented secure authentication and data models, - and delivered production-ready web/mobile features. For your project, I’d suggest starting with a thorough codebase audit and incremental feature integration using Kotlin best practices to avoid future rework and performance issues. Before moving forward, I have one quick question: Could you share more details on the existing app's architecture and which features you plan to add or enhance? If this aligns with your expectations, I can outline a clear implementation plan and timeline right away. Best regards, Nilo
$8 USD in 40 days
0.0
0.0

With your need for an experienced Android developer to enhance and stabilize your business app, I couldn't be more qualified for the job. Not only do I have over 3 years of experience under my belt in web design, SEO, and e-commerce, but I have a profound understanding of how to create appealing yet performance-driven digital solutions that last. One of my strengths that is particularly applicable to this project is my extensive knowledge and understanding of API integration. This expertise allows me to successfully form the connection between disparate software systems so they can work together seamlessly. As a result, your existing mobile app will not only gain the new features you desire but will also enjoy improved stability. Moreover, what really sets me apart is my commitment not just to a project completion but to the needs and growth of my clients'. With me, you aren't just hiring another freelancer; you're entering into a partnership mindset. I will deliver your project on time, communicate clearly throughout, and provide ongoing support to ensure the end product meets not just your vision but also surpasses your expectations. Pick me for a professional blend of skill and dedication!
$5 USD in 40 days
0.0
0.0

Hi there, I’ve reviewed your Android Business App Development needs: stabilizing the existing app while extending it with new features. I have solid experience delivering production-ready Android solutions using Java and Kotlin in Android Studio, with clean architecture, robust API integration, and performance optimization. I’ve also worked with Ionic hybrid components when your stack requires it, ensuring smooth cross-platform coordination. What I’ll do: - Quick, risk-based codebase audit to identify stability issues and performance bottlenecks. - Implement prioritized features with a focus on user experience and maintainability. - Strengthen API integration, auth flows, and offline resilience; add unit/integration tests. - Setup lightweight CI and release-ready builds; deliver incremental releases with clear milestones. - Provide documentation and post-release support plan. Proposed timeline: a focused stabilization and feature enhancement sprint in 7 days, with a detailed roadmap for the next iterations based on your backlog. Best regards,
$50 USD in 22 days
0.0
0.0

hi I can help extend and stabilize your existing Android app by adding new features while improving performance, reliability, and overall user experience. I have solid experience with Java, Kotlin, Android Studio, Ionic, and API integrations, working on real-world apps that require ongoing enhancement and bug fixing. My focus is clean code, stable builds, and smooth feature rollout so the product feels solid and ready to scale. Best regards, Giang V
$20 USD in 40 days
0.0
0.0

Hi , I’ve carefully reviewed your job post and it’s clear you’re looking for someone with solid experience in Ionic Framework, Kotlin, API Integration, Mobile App Development, Mobile Development, Android Studio, Android App Development, App Design, Android and Java. This is exactly within my core expertise, and I’m confident I can deliver reliable, high-quality results. Rather than rushing into assumptions, I prefer to understand the project properly. I’d appreciate your clarification on a few points: Is the job description complete, or are there additional requirements or expectations? Do you already have any work completed, or will this be built entirely from scratch? Do you have a preferred timeline or deadline in mind? Why you can confidently work with me: Successfully completed 250+ major projects across different industries Maintained 100% positive feedback over the last 5–6 years Earned 100+ recent 5-star reviews, showing long-term client satisfaction I focus on clear communication, clean execution, and on-time delivery I work as a full-time freelancer and am available 9 AM – 9 PM (Eastern Time), ensuring fast responses and consistent progress. Due to client confidentiality, I share relevant work samples only in private chat. Let’s start a conversation so I can show you similar work and suggest the best approach for your project. Looking forward to working with you. Best regards, Arsalan Khan
$10 USD in 25 days
0.0
0.0

McKinney, United States
Member since Feb 3, 2026
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