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We are looking for a senior Android developer to urgently investigate and resolve a bug in our Android application. This is not a role for someone who needs heavy supervision, trial-and-error guidance, or long onboarding. We need a developer who can quickly understand an existing codebase, identify the root cause, produce a reliable fix, and communicate clearly throughout the process. The ideal candidate is experienced, practical, fast, and comfortable using modern AI tools to accelerate debugging, code review, test generation, and implementation, while still applying strong engineering judgment. We are not looking for someone who blindly copies AI-generated code. We want someone who knows how to use AI responsibly to deliver faster and more reliable results.
Project ID: 40501005
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85 freelancers are bidding on average $32 USD/hour for this job

Hi I am a Senior Mobile Application Developer and have more than 8+ years of experience. Please share the apk and guide me how to reproduce the bug and I will quickly resolve it. Let’s chat to connect
$38 USD in 40 days
8.9
8.9

Hi there, I understand you need an experienced developer to quickly resolve a critical bug in your Android app. The task is to efficiently navigate your existing codebase, pinpoint the root cause-be it a state management issue, faulty API response handling, or a lifecycle conflict-and implement a robust fix without introducing regressions. Technical approach: My process involves rapid analysis using Logcat, profilers, and strategic debugging. I use AI tools like Copilot not for generating solutions, but to accelerate understanding of complex logic and to write targeted test cases that confirm both the bug and its resolution. The final fix will be clean, documented, and validated. Relevant systems: Our background includes developing complex native Android apps, such as a GrapheneOS security application (CoreWipe) and custom call management software, which required deep dives into the Android framework. My strategy is to begin with a short, time-boxed investigation (2-4 hours) to provide a root cause analysis and a firm ETA. All work will be delivered in a separate branch with a clear pull request for your review. Regards, Rohit
$25 USD in 1 day
8.1
8.1

Hi, As a seasoned developer with extensive experience in Android app development and debugging, I am confident that I am the right choice for your project. I have successfully diagnosed and resolved numerous bugs in my career by applying strong engineering judgment, effectively navigating complex codebases, and utilizing modern AI tools to enhance my productivity and efficiency while maintaining my spirit of responsible coding. Can we discuss and confirm the requirements? Thanks SBM
$25 USD in 40 days
6.9
6.9

As you desperately need an urgent resolution to your Android backend bug, let me assure you, I'm fully up for the task. With several years under my belt, specializing in Android app development using Java and Kotlin, I'm well versed in handling and addressing vastly complex bugs. This includes precisely identifying the root cause with speed and utmost efficiency. When I fix bugs, they stay fixed. Moreover, being an expert in various modern AI tools, I have a unique approach in utilizing them responsibly to swiftly address problems and improve codebase. Importantly, I don't blindly rely on AI-generated solutions but fuse it seamlessly with my strong engineering judgment which ensures faster yet reliable results. In essence, my experience and skills offer an optimal solution for your challenge: The necessary speed & expertise to understand your codebase combined with responsible AI usage. Let me dive into your project and get your app back on track!
$38 USD in 40 days
7.0
7.0

Hi, I understand you need a senior Android developer to urgently investigate an existing app bug, understand the codebase quickly, identify the real root cause, implement a reliable fix, and communicate progress clearly without heavy supervision. I have strong experience debugging Android applications, reviewing Kotlin/Java codebases, tracing crashes, lifecycle issues, API failures, performance problems, Gradle/build errors, and using modern AI-assisted workflows responsibly to speed up analysis while validating every change with engineering judgment. I would start by reproducing the issue, checking logs and relevant code paths, isolating the root cause, applying a minimal safe fix, adding or updating tests where useful, and providing a clear summary of the problem, fix, and verification steps. Q1: Is the app built in Kotlin, Java, or both? Q2: Can you share crash logs, reproduction steps, or affected devices/Android versions? Q3: Do you need only the bug fix, or also a short code-quality review around the affected area? Best regards.
$38 USD in 40 days
6.7
6.7

With 5+ years in Android app development and a track record of swiftly diagnosing and resolving bugs, I am well-equipped to investigate and fix the issue in your app. My experience in leveraging modern AI tools for efficient debugging aligns perfectly with your requirement for a developer who can work autonomously and deliver reliable solutions. Question: Could you provide more details on the specific behavior of the bug to help streamline the investigation process? Regards, Yogesh Kumar
$38 USD in 37 days
5.3
5.3

Hello, I understand this is an urgent Android bug fix task, not a development or trial-and-error job. I specialize in quickly analyzing existing Android codebases, identifying the exact root cause (not symptoms), and delivering safe production-level fixes without breaking existing flows. I’m comfortable working directly with: Logcat + crash stack traces Activity/Fragment/Compose lifecycle issues Coroutine/threading and state bugs API + UI synchronization problems I also use AI tools to speed up debugging and analysis, but all fixes are validated through manual engineering judgment and runtime testing. My approach Reproduce and trace the bug immediately Find root cause using logs + code flow analysis Apply minimal-risk fix (no unnecessary refactoring) Validate across user flows to ensure stability I have worked on production Android apps involving crash fixes, ANR issues, API-driven UI bugs, and complex state management systems. I can start immediately. Once you share logs or reproduction steps, I can quickly identify the root cause direction. If you're looking for a fast, reliable Android developer who focuses on fixing issues at the source, not patching them, I can help. Regards, Abhishek
$38 USD in 40 days
5.7
5.7

Hi, Android bugs at this level usually fall into one of a few categories: - a threading issue where work is hitting the main thread and causing ANRs or silent failures, - a lifecycle mismatch where a fragment or activity callback is firing in an unexpected order, - a null reference from an unguarded async result, - or a corrupted state in shared preferences or a local database. Without seeing the stack trace I cannot name the exact culprit yet, but these account for the vast majority of urgent Android issues I see in mature codebases. My process is straightforward: I read the crash logs and reproduce the issue locally first, then trace the failure back to its origin rather than patching symptoms. I use AI tooling to speed up log analysis and test generation, but every fix I ship is something I understand and can explain line by line. If you can share the stack trace or a brief description of when the bug triggers, I can give you a precise diagnosis before we even start the clock. Best regards
$30 USD in 40 days
5.0
5.0

I understand the urgency and need for a senior developer capable of rapid, independent debugging. My experience with complex Android architectures and my proficiency in leveraging AI-assisted tools for accelerated root-cause analysis directly aligns with your requirement for a fast, practical, and self-sufficient engineer. I've successfully navigated similar critical bug hunts under tight deadlines, delivering stable fixes with minimal oversight. My approach involves an immediate deep dive into the codebase using Android Studio's profiler and debugger. I'll systematically isolate the problematic component, utilizing AI tools like GitHub Copilot and advanced static analysis to identify potential race conditions, memory leaks, or incorrect API usage. I will then craft a robust, well-tested solution, prioritizing code clarity and maintainability, and ensuring comprehensive unit and integration tests are generated or updated to prevent recurrence. Could you elaborate on the specific area of the application or the symptoms of the bug? Understanding this will allow me to further refine my initial diagnostic steps. I'm available for a brief call to discuss this further and demonstrate how my skills can quickly resolve this issue.
$42 USD in 7 days
4.7
4.7

Hi, I recently worked on similar Android debugging and production support projects where the priority was quickly identifying root causes and delivering reliable fixes without disrupting existing functionality. Quick question: Is the issue reproducible consistently, or does it occur only under specific devices, Android versions, or user scenarios? Based on your requirements, I'd focus on: • Rapid investigation of the codebase, logs, and crash reports to isolate the root cause • Implementing a reliable fix with proper validation and regression testing • Using AI-assisted debugging and code analysis tools responsibly to accelerate delivery without compromising quality Having worked on similar products before, I can quickly understand requirements, identify potential challenges, and contribute with practical solutions from day one. Happy to review the issue details and discuss the best approach. Best, Uttam Shingala
$25 USD in 40 days
4.1
4.1

Hey , Good morning! I’ve carefully checked your requirements and really interested in this job. I’m full stack node.js developer working at large-scale apps as a lead developer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I’m well versed in React/Redux, Angular JS, Node JS, Ruby on Rails, html/css as well as javascript and jquery. I have rich experienced in Android App Development, Mobile App Development, Android, Software Engineering, AI Development, Debugging and Mobile App Testing. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Thank you for your attention
$50 USD in 15 days
3.9
3.9

Hi, I can help investigate and resolve the Android issue quickly. I have experience working with existing Android codebases, identifying root causes, and delivering reliable fixes without requiring extensive onboarding or supervision. My approach is to first reproduce the issue, analyze logs and crash reports, review the affected modules, and isolate the root cause before implementing a tested solution. I regularly use AI-assisted tools such as Claude, Cursor, and GitHub Copilot to accelerate debugging and code analysis, while relying on engineering experience to validate and refine the final implementation. I focus on clear communication, fast turnaround, and stable fixes rather than temporary workarounds. Once I review the codebase, bug details, and any crash logs, I can provide an estimated resolution timeline and begin immediately. Looking forward to helping you get this resolved. Best Regards Jitendra Sharma
$25 USD in 40 days
3.1
3.1

Hi, I’m Himanshu, a senior software developer with 12+ years of experience in Android application development, debugging, and performance optimization. I specialize in quickly understanding existing codebases, identifying root causes, and delivering reliable fixes without lengthy onboarding or supervision. I actively use AI-powered tools to accelerate debugging, code reviews, and testing while applying strong engineering judgment to ensure production-quality results. If you’re looking for someone who can jump in immediately, diagnose the issue efficiently, and communicate clearly throughout the process, I’m ready to help. Let’s discuss the bug and get it resolved as quickly as possible. Best Regards, Himanshu
$38 USD in 40 days
2.7
2.7

As a proficient full-stack developer with a robust background spanning over seven years, I guarantee that your backend Android bug will be not just investigated but also resolved rapidly and effectively. My extensive experience with Laravel, Python, and other modern frameworks accords me the capability to handle debugging projects seamlessly, eliminating the need for constant supervision. I understand debugging is not just about locating and patching errors but establishing an all-round stable application. Having successfully delivered over 130 projects with blazing results and consistent 5-star ratings, you can rest assured of my ability to help you hit your set targets promptly and efficiently. Unbeknownst to AI tools to generate tall claims, I rely on my robust engineering acumen to understand codebases deeply. While my proficiency in automation and using modern AI tools is peerless, I do not believe in blindly copying code from algorithms that do not fully comprehend project intricacies. Instead, I use them responsibly to accelerate my problem-solving process through data mining and web scraping. Let's have a chat about your imminent project! With me on board, you're getting more than a developer; you're getting a partner who shares your urgency, understands your goals elucidate enough to effectively put AI as a lever or back it up with irreplaceable human touch where needed
$38 USD in 40 days
2.2
2.2

Hi, I am an experienced Android developer skilled in quickly diagnosing and fixing backend issues. Your project needs an urgent resolution of an Android app bug with minimal supervision. I will use a mix of deep code analysis and AI-assisted debugging to find and fix the root cause reliably. I can communicate in real time in your time zone and provide a test fix within 12 hours of starting. Q1: Could you share any recent code changes that might have introduced this bug? Q2: What specific AI tools are you currently using or prefer for debugging? Q3: Are there existing automated tests for the affected backend components? Best regards, Everett
$50 USD in 7 days
1.7
1.7

Hello, I carefully reviewed your requirements, and this aligns strongly with my experience troubleshooting and stabilizing Android applications in production environments. My approach is straightforward: • Quickly review the codebase, crash logs, and reproduction steps • Trace the root cause using debugging, profiling, and log analysis • Implement a clean, maintainable fix rather than a temporary workaround • Validate the solution through targeted testing and regression checks • Document findings, fix details, and recommendations Technical Expertise: • Kotlin & Java Android development • Jetpack Compose and traditional Android Views • API integration and networking issues • Performance optimization and memory leak detection • Crash analysis (Firebase Crashlytics, Logcat, ANR investigation) • Android lifecycle and concurrency debugging I actively use AI-assisted tools for code review, debugging, test generation, and analysis to accelerate delivery, but always validate outputs through engineering best practices before implementation. You can expect: • Fast investigation and turnaround • Clear communication throughout the process • Root-cause analysis, not guesswork • Reliable fix with supporting documentation Available to start immediately and comfortable working independently with minimal onboarding. Regards, Arun
$25 USD in 40 days
0.4
0.4

❤️Hello, Client❤️ As a seasoned Android developer with over 8 years of experience, I'm well-equipped to tackle your backend bug in a swift and efficient manner. I recognize the gravity of time constraints and thus guarantee to hit the ground running - comprehending your existing codebase, determining the root cause and delivering an unwavering solution, all while keeping you informed throughout the process. The usage of AI tools has become integral to augmenting modern debugging processes, and my proficiency in leveraging them responsibly, sets me apart from others. Rather than relying on blind replication of pre-generated codes, I use AI intelligently to extend the efficiency quotient by speeding up debugging, code revisions, testing and implementation. My focus always aligns with generating faster yet reliable results. Moreover, I bring extensive experience in the development of SaaS platforms, mobile applications and subscription-based products. This implies that not only can I resolve this immediate issue but also assist your app's long-term scalability needs with my expertise in Python and cloud-native architectures like Supabase or AWS. In other words, you won’t just be benefiting from a quick fix but a comprehensive enhancement to fortify your application for future success. Trust me for a prompt resolution that doesn’t just address the current problem but also strengthens your app's foundation for an improved performance. Let's work together! Best Regards,
$25 USD in 35 days
0.0
0.0

꧁Awesome! I recently worked on urgent Android debugging and understand how to create reliable, high performance fixes that feel stable, practical, and production ready.꧂ Your need for a senior Android developer who can quickly investigate an existing backend-related app bug immediately caught my attention. The focus on speed, independence, root-cause analysis, and clear communication is exactly the type of situation where disciplined debugging matters more than trial and error. For your project, I would first reproduce the issue, inspect logs, trace API/backend interactions, and narrow the failure path through the Android codebase. Rather than applying a surface-level patch, I would identify the underlying cause, implement a clean fix, and validate the change against likely edge cases. I reviewed the project requirements carefully and understand the importance of using modern AI tools responsibly to accelerate code review, test generation, and debugging without blindly trusting generated code. What is the main user or business impact you want this Android bug fix to restore first? The final fix will be practical, reviewed, and aligned with your existing architecture. In addition to delivering the code change, I will provide clear handoff notes covering the root cause, files changed, validation steps, and any recommended follow-up improvements to help your team move confidently. The urgency of this bug makes communication especially important. My focus will be fast diagno
$40 USD in 35 days
0.0
0.0

I understand you need an experienced Android developer to urgently investigate and resolve a specific bug in your application. My recent project involved diagnosing and fixing a critical performance issue in a complex Android codebase that was impacting user experience, resulting in a 20% reduction in reported crashes. I will dive directly into your existing codebase, utilizing Android Studio and advanced debugging tools to pinpoint the bug's origin. My proposed solution will involve a targeted code change, thoroughly tested with unit and integration tests written in Kotlin using JUnit and Mockito, to ensure a reliable fix before deployment. What is the primary user flow most affected by this bug? Ready to start as soon as you confirm scope.
$41 USD in 7 days
0.0
0.0

Hey, I went through your post on "Urgent Android Backend Bug Fix" (open) — especially the part about Project Details $25.00 – 50.00 USD per hour BIDDING ENDS IN 6 DAYS, 23 HOURS We are looking for a senior Android deve... I can handle this with a clear plan and keep you updated at each step. Would it help if I shared how I'd approach the first milestone? https://www.freelancer.com/u/salahuddin1973 Best regards, Naufal Salahuddin
$38 USD in 40 days
0.0
0.0

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