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I have an active consumer-facing app on both Google Play and the App Store that needs a round of polish. On each platform I’m dealing strictly with functionality issues—nothing visual or performance-related—so you’ll be deep in the logic layer rather than tweaking layouts. For Android, there’s an extra task: I want a small new module integrated. It’s a referral screen that pulls an invite code from my REST API, displays it, lets users share it, and records redemption counts. Figma designs and a concise API spec are ready to go. Here’s how I’ll sign off the work: • Every listed functionality bug on Android and iOS is reproducibly fixed and passes the in-house test suite. • The new referral module works exactly as per design and existing architectural patterns, with clean, well-commented code. • After release, no new crashes or major warnings appear in Firebase/Crashlytics for one full week. The codebases are native—Kotlin on Android, Swift on iOS—with Git for version control and Jira for ticket tracking. If you’re comfortable jumping into both stacks and can start right away, send me a brief note outlining similar multi-platform fixes you’ve handled and your estimated turnaround.
N° de projet : 40720708
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Hi, I can help you fix the existing Android/iOS issues and implement the new referral module with the required API integration. I understand that the current applications use Kotlin on Android and Swift on iOS, with REST APIs and Git-based development. I can work within the existing architecture rather than unnecessarily changing the codebase. For the referral module, I can handle: API integration Invite/referral code handling Displaying and sharing the invite code Recording redemption counts Proper integration with the existing app flow I can also investigate the reported mobile bugs, reproduce them, implement the fixes, and test the affected functionality before delivery. I focus on making changes cleanly within the existing codebase and can provide the updated source code through the existing Git workflow. I'm ready to review the current code and start immediately. Regards, Aakash Kumar
₹600 INR en 5 jours
0,0
0,0
42 freelances proposent en moyenne ₹1 946 INR pour ce travail

As a seasoned Senior Software Engineer with more than 5 years of industry experience, I'm well-equipped to handle your multi-platform fixes and much more. I take pride in my ability to jump into the deep waters of both native codebases like Kotlin for Android and Swift for iOS using Git for version control and Jira for ticket tracking – just like you need.
₹1 500 INR en 1 jour
6,3
6,3

Hello Sir, I have already worked on similar types of website and software development projects and I am confident that I can successfully handle your project. I am a full-time freelancer with **17+ years of experience** in web development, software development, automation, and API integrations. My expertise includes: * Android app development * ASP.NET C# web and software development * Python automation and web scraping (Amazon, Instagram, Facebook, Google Maps, LinkedIn, Telegram, and other custom scraping solutions) * JavaScript, jQuery, AJAX, Bootstrap, HTML5 * Microsoft SQL Server database development * Payment gateway integration * SMS, Email, Banking, Financial, and Insurance API integration * Custom automation bots and workflow automation software I focus on delivering **high-quality, scalable, and reliable solutions** with clean code and long-term support. Please contact me in private chat so we can discuss your requirements in detail. I can also show you a **demo of similar projects** I have completed. Looking forward to working with you. Thanks & Regards
₹1 500 INR en 5 jours
5,7
5,7

Hello, I am an experienced mobile app developer. I can fix issues in your existing mobile app and also add new features as per your requirement. Why hire me? - 8+ years of Software engineering experience. - Clear communication in English. - Reasonable rate with no compromise in quality. - Individual freelancer you can talk with directly, not an agency, no middle-man. Please send me a message with description of the issues you want to get fixed and new features you want to add to get started. Thanks.
₹5 000 INR en 3 jours
5,7
5,7

Hi, Fernando here from Mexico. I want to handle the Shiprocket checkout flow so updated rates, Same-day Delivery, standard shipping and international shipping work together without breaking the existing cart. I’d keep the API logic server side, with webhook validation and shipping methods mapped into one checkout selector, then refine the cart fields and responsive UI around that flow. The key constraints are “correct endpoints, tokens and webhooks”, “Same-day Delivery”, and keeping “international service active”. I’ve worked with API driven checkout flows where shipping options and pricing must stay synchronized with cart state, so I’d treat shipping selection and order creation as one flow. I’d first trace the current Shiprocket request and response flow, then fix the rate mapping and expose the first working shipping selector for review. Thanks
₹9 000 INR en 2 jours
4,7
4,7

As a highly experienced professional with a long-standing career in the technology industry, I am confident that I possess the right skill set and expertise to solve all the bugs you're experiencing on your app - be it on Android or iOS. With a Bachelor’s degree in Computer Science and a PhD in AI, combined with nearly 20 years of experience, my proficiency extends beyond typical mobile app development but can integrate that new module skillfully. In my recent role as a CTO of an AI startup, I've built multiple advanced digital products including API Development and Mobile App Development dealing with scalable frontend and backend architecture. My work is meticulous; I will not stop until all functionality issues are completely resolved and working perfectly to meet your sign-off standards attentively. Your mobile app bug fixing task, apart from being something I'm highly qualified for technically, also presents itself as an intellectually stimulating challenge overstuffed with innovation.
₹600 INR en 7 jours
4,6
4,6

With over six years of experience in developing high-performance iOS applications using Objective-C, Swift, UIKit, SwiftUI and MVVM architecture, as well as React Native, I specialise in creating user-centric solutions and integrating robust API systems. I am dedicated to delivering tailored, high-quality applications that align with your vision. Let us collaborate to realise your ideas and create a standout iOS app. Best regards, Pradeep Maretha
₹1 050 INR en 7 jours
4,5
4,5

Hi, Thanks for sharing your project. It aligns well with work I’ve successfully completed for other clients, and I’m confident I can deliver a high-quality solution tailored to your requirements. Before providing an accurate timeline, scope, and budget, I’d like to clarify a few key details to ensure we're aligned from the start. Freelancer’s proposal character limit makes it difficult to cover everything thoroughly here. If you're available, let's connect via chat. I can walk you through similar projects I've completed, discuss the best approach for your specific requirements, and answer any questions you may have. Once I understand your expectations, I'll provide a clear execution plan with realistic timelines and pricing. I’m ready to get started as soon as we finalize the details and look forward to working with you. Best regards, Mayank Sahu
₹1 050 INR en 7 jours
4,1
4,1

Hi, I can help with this. I have experience maintaining and debugging native Android (Kotlin) and iOS (Swift) applications, including functionality fixes, API integrations, crash/debugging issues, and Play Store/App Store releases. For your project, I can: * Reproduce and fix the listed Android and iOS functionality issues. * Integrate the Android referral module using your existing architecture and API patterns. * Implement invite-code retrieval, sharing, and redemption count tracking. * Follow the provided Figma and API specification without unnecessary UI changes. * Test against your in-house test suite and verify the fixes across devices. * Monitor Firebase/Crashlytics after release and address any regression issues. * Work through Git and Jira with clean, maintainable, well-commented code. **Estimated turnaround:** around **5–8 working days**, depending on the number and complexity of the existing bugs. I can review the Jira tickets/codebase first and provide a more precise timeline before starting. I’m available to start right away and can work across both Kotlin and Swift codebases.
₹1 050 INR en 7 jours
3,5
3,5

Hi, Abror here, from Uzbekistan. I'm a full stack developer with 8+ years of experience working with Android, iOS, Kotlin, and Swift. You need functional bugs resolved across the existing native Android and iOS apps, plus an Android referral module connected to the REST API, with release validation through the existing test and crash-monitoring process. The main challenge is changing logic without disturbing existing app behavior, while making the new referral flow consistent with the current architecture. 1. Reproduce and trace each Android/iOS bug, identify the affected logic or API path, and fix it with minimal changes. 2. Add the Android referral flow using the supplied Figma/API specification, including invite-code retrieval, sharing, and redemption counts. My mobile development background covers native Android/iOS work, REST APIs, debugging, and cross-platform application logic. A few questions to better understand the scope: Q1 - Can the existing bug tickets include reproduction steps and logs? This reduces time spent isolating intermittent issues. Q2 - Should redemption counts update immediately after referral actions? I recommend server-authoritative counts to avoid inconsistencies. Happy to go over the details here in chat and suggest the best approach. Looking forward to hearing from you.
₹1 050 INR en 7 jours
3,3
3,3

I can jump into both native codebases and handle the functionality issues without disturbing the existing UI or architecture. For Android, I can also build the referral module in Kotlin, integrating your REST API to fetch and display invite codes, support native sharing, and track redemption counts while following your existing patterns and Figma specifications. On iOS, I’ll focus on reproducing and resolving the listed logic issues in Swift, then validate everything against your in-house test suite. I’ll work through the Jira tickets systematically, use Git for clean commits, and validate releases with Crashlytics/Firebase monitoring to ensure no new major issues appear after deployment. Estimated turnaround: 5 to 8 working days, depending on the number and complexity of the existing bugs. If you share the Jira ticket list and API/Figma specs, I can review the scope and start immediately. Regards, M Akif
₹800 INR en 2 jours
2,4
2,4

Hi, I can work directly with your existing Kotlin and Swift codebases to fix the functionality issues without unnecessarily changing the current architecture. For the Android side, I can also integrate the referral module using your existing REST API and patterns, including: • Fetching and displaying the invite code • Native share functionality • Redemption count handling • API/error-state handling • Figma-based implementation For both Android and iOS, I’ll reproduce the reported issues first, trace them to the underlying logic, apply targeted fixes and test the affected flows before release. Git and Jira can fit naturally into the existing workflow. I can also validate the release builds and monitor the relevant Crashlytics reports after deployment to identify any regression. Please share the current bug list and confirm whether the Kotlin/Swift source code is already available in the Git repository. Once I review the scope, I can give you a realistic turnaround rather than guessing from the project description. Best Regards Prachi Webix Infotech
₹1 000 INR en 2 jours
2,5
2,5

Hi, I notice the referral screen module for Android needs to pull an invite code from a REST API, which could introduce real-time sync issues if not handled properly. I'd approach this by setting up a reliable API call system, and then integrating the referral module with clean, well-commented code. My focus will be on ensuring the new module works seamlessly with the existing architecture. In my experience, a common mistake when integrating new modules is not accounting for edge cases, which can lead to crashes or unexpected behavior. I'll make sure to thoroughly test the new referral module and the fixed functionality bugs on both Android and iOS, so the client can expect a polished app with no new crashes or major warnings.
₹1 000 INR en 1 jour
2,2
2,2

As a developer with over a decade of experience, I've honed my skills in tackling multi-platform projects similar to your app in question. Having worked extensively with native app development on both Kotlin for Android and Swift for iOS, I'd be able to jump straight into the logic layer, resolving all functionality issues swiftly. Moreover, implementing new modules is one of my fortes. The referral screen module you need integrating is right up my alley. From pulling the invite code from your REST API to recording redemption counts, I'll ensure it's flawlessly aligned with the design and existing architectural patterns. My extensive experience extends not only to app development but also web and backend where I've worked with various DBs and APIs including REST & SOAP APIs that you use. Adding my proficiency in PHP to the equation would only boost our efficiency. Overall, my goal is to ensure a clean and efficient codebase coupled with optimal performance for your app; a commitment that has always passed the test of time. Let's discuss how we can turn your vision into an even better reality.
₹1 050 INR en 7 jours
2,2
2,2

#I can fix the listed Android and iOS functionality issues# I will first reproduce each Jira issue and check the related business logic, API response, local state and navigation flow. After fixing, I will run the in-house test cases and verify the referral API, sharing and redemption flow. I will also monitor Crashlytics after release and check that no new major crash or warning is introduced. I have 4 years experience in mobile app development and have worked with Kotlin, Swift, REST APIs. Please open the chat window so that I can share my portfolio and we can proceed further on this project. In addition to your project needs, I'll provide you with clean source code, free bug patches, and maintenance. I am awaiting your positive response. Regards Ritesh N
₹600 INR en 7 jours
2,2
2,2

Hello, I understand you need functionality bugs fixed across native Android and iOS apps, along with a new Android referral module using a REST API. The goal is to deliver stable functionality while following your existing architecture and designs. Here’s what I can provide: • Debug and fix Kotlin/Android and Swift/iOS functionality issues with reproducible testing. • Build the referral module to fetch invite codes, support sharing, and track redemption counts through REST APIs. • Follow Git/Jira workflows, existing architecture, and test thoroughly before release. I bring over 4+ years of experience in full-stack development, REST APIs, debugging, testing, and mobile-related integrations, with a strong focus on clean, reliable application logic. Just to clarify a few things: • Are the existing Android/iOS projects and API documentation ready for immediate access? • How many functionality bugs are currently listed in Jira? Please come to the chat box to discuss more about your project. Best regards Indresh Kushwaha
₹2 050 INR en 7 jours
1,8
1,8

Hello, I can troubleshoot and fix functionality issues across your native Android (Kotlin) and iOS (Swift) apps. I can also integrate the Android referral module with your REST API, including invite code retrieval, sharing, and redemption tracking. I’ll follow your existing architecture, test fixes carefully, and monitor Crashlytics after release. I’m available to start right away. Turnaround can be confirmed after reviewing the Jira tickets and API specs.
₹1 050 INR en 2 jours
1,5
1,5

I’m a Mobile & Full-Stack Developer with 10+ years of experience in Android/iOS development using Kotlin, Swift, REST APIs, PHP, Git, and Jira. I can diagnose and fix the listed Android issues, develop the referral module, and integrate it cleanly with your existing application and backend. I’ll use Firebase/Crashlytics, testing, and QA practices to verify fixes, identify regressions, and ensure stable performance before deployment. I’ll also provide post-deployment support, updates, security checks, and monitoring to ensure the app remains reliable and maintainable.
₹1 250 INR en 6 jours
0,8
0,8

Hi, I can help fix the functionality issues across your Android and iOS applications and integrate the new Android referral module. I understand the requirement is focused on functionality rather than UI changes. For the Android module, I can integrate the REST API to fetch the invite code, display it, enable sharing, and handle redemption-count tracking while following the existing architecture and Figma specifications. I’ll work with your existing Git/Jira workflow and focus on: • Android & iOS functionality bug fixes • REST API integration • Referral module implementation • Proper error handling and testing • Crash/logic verification after release Estimated timeline: 3–4 days Fixed bid: ₹1,500 Before starting, I’d like to review the existing codebase, API specification, and bug list so I can confirm the exact effort and avoid affecting existing functionality. Ready to start immediately.
₹1 500 INR en 3 jours
0,0
0,0

Hi, I have experience working with mobile applications, REST APIs, authentication flows, and cross-platform bug fixing. I can work directly with your existing Kotlin Android and Swift iOS codebases to resolve the functionality issues without unnecessarily changing the UI. For the Android side, I can also implement the referral module according to your Figma and API specification, including: * Fetching the invite code from your REST API * Displaying and sharing the referral code * Recording and displaying redemption counts * Following the existing app architecture and coding patterns * Proper API/error handling and testing I’ll reproduce the reported Android/iOS bugs, fix the underlying logic, test the affected flows, and verify the changes before release. I’m also comfortable working with Git, Jira, Firebase Crashlytics, and existing production codebases. I can start immediately after reviewing the repositories, Jira tickets, Figma, and API documentation. I’ll provide a clear turnaround estimate after checking the actual issues. Best regards, Raj
₹700 INR en 1 jour
0,0
0,0

Hi, I’m a native Android developer experienced with Kotlin, REST APIs, Git, and Jira, and I can also work with Swift/iOS for cross-platform functionality fixes. I can handle the existing Android and iOS bugs, investigate the logic layer, and integrate the new referral module using your Figma designs and API specification. The referral flow will include fetching the invite code, sharing it, and tracking redemption counts while following your existing architecture and coding patterns. I’ll thoroughly test the fixes against your existing test suite and monitor Crashlytics after release to ensure stability. I’m available to start immediately. Based on the ticket count and complexity, I can provide a confirmed turnaround after reviewing the Jira tickets/codebase.
₹1 500 INR en 2 jours
0,0
0,0

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