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I need help taking my current Android app to the next level in two areas: 1. Translation All user-facing text must be moved to a clean [login to view URL] file (where it isn’t already) and translated into natural, idiomatic French. Please keep all formatting, placeholders, plurals, and accessibility descriptions intact so nothing breaks at runtime. The final deliverable should be an updated [login to view URL] plus any additional resource files required for perfect French localisation. 2. Battery-usage optimisation The code base (Kotlin with a few legacy Java classes) runs well, yet power consumption is higher than it should be. I want lightweight, maintainable changes that noticeably reduce battery drain without sacrificing features. Typical focus areas include: • background services and alarms • wake-lock handling • location updates / sensors • network polling intervals • WorkManager / JobScheduler usage Feel free to profile with Android Studio Profiler, Battery Historian or other tools you trust; I’ll review before-and-after metrics. Deliverables • Updated resource files containing the full French translation • Refactored source code or pull request with clear commit messages • Short report (PDF or Markdown) outlining every change plus screenshots or logs that demonstrate battery improvements on at least one mid-range device running Android 13 Acceptance Criteria • No string or layout regressions when switching between English and French • Minimum 15 % drop in average battery consumption during a 30-minute typical-use scenario (I’ll replicate with the same profiler settings) • App passes existing unit/UI tests If you have previous work that shows localisation quality and energy optimisation prowess, a quick link or repo reference will speed things up.
Project ID: 40684689
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Hi there, I can help you finish both parts of this Android app with a practical, low-risk approach. I have strong experience in Kotlin/Java Android codebases, localization, and performance tuning, so I can move all user-facing text into clean resource files, create natural French translations, and keep placeholders, plurals, formatting, and accessibility labels intact. For the battery work, I would first profile the app to find the real drains, then make focused changes around background services, alarms, wake locks, location/sensor usage, polling intervals, and WorkManager/JobScheduler behavior. My goal is to reduce power use without changing features or adding unnecessary complexity. You’ll get the updated French resources, a refactored source/PR with clear commit messages, and a short report with before/after evidence from a mid-range Android 13 device. If you share the repo, I can review the current structure and suggest the safest path forward.
€18 EUR in 30 days
7.9
7.9

With ten years of proven experience and a multidimensional tech-stack that includes proficiency not only in Android, Java, and Kotlin, but also in Mobile App Development, I am confident in my ability to meet and exceed your project's requirements. Localization and battery optimization are areas where I have consistently delivered top results. In fact, in my portfolio, you'll find multiple Android projects with successful localizations and notable battery improvements.I will leverage my extensive understanding of the customizing platform resources for international variations while ensuring that no string or layout regressions occur. On battery-usage optimization for Android apps, I have amassed relevant expertise over time through deep knowledge of Kotlin and a few legacy Java classes like those in your code base. Identifying usage patterns, tweaking background services and alarms, wake-lock handling, location updates/sensors optimization,interval modification for network rewards from using WorkManager/JobScheduler - all of these elements are familiar terrain to me and I can ensure a maintainable codebase with noticeably lowered battery consumption for your app. Moreover, my proficiency in using Android Studio Profiler and similar tools will enable me to expertly analyze your project's power consumption metrics.
€27 EUR in 40 days
7.8
7.8

Hi, I'll localize your app in french and will fix the battery related stuff which to causing to consume it quicker. I'm available right now to discuss more and can share the portfolio with you so you check my work prior to commit. Looking forward to hearing back from you soon. Thanks!
€20 EUR in 40 days
6.6
6.6

Hello!! I understand you need an Android application that combines translation functionality with battery-efficient background processing, while maintaining reliable performance across different Android devices. * Which languages and translation features should be supported? * Should translation work offline, online, or both? * What background functionality needs to remain active while minimizing battery consumption? The app can include text/voice translation, language selection, translation history, API or offline-model integration, efficient background services, battery optimization, permission handling, caching, error handling, and compatibility testing across supported Android versions and devices. Relevant Android applications have been developed with careful handling of background processes, permissions, APIs, and device-specific behavior to balance functionality with battery efficiency. Let us chat and discuss the translation workflow and background requirements so we can choose the right Android architecture. Best regards Farhin B
€18 EUR in 40 days
6.8
6.8

With a solid background in Android app development and localization, I understand the importance of perfect French translation and battery optimization for your app. I have successfully implemented similar French localization projects and optimized battery usage in Android apps, ensuring improved performance. How would you prefer to handle testing and validation of the battery consumption improvements post-optimization? Regards, Yogesh Kumar
€24 EUR in 37 days
5.3
5.3

Hi, Optimizing background services is critical for reducing battery drain while maintaining a responsive user experience. I'd start by profiling your current implementation to identify which services may be running longer than necessary or using resources inefficiently. I'll also look into your use of WorkManager and JobScheduler to ensure tasks are being scheduled optimally, especially concerning network polling intervals and wake-lock handling. I've worked on similar battery optimization projects in the past, successfully implementing changes that resulted in noticeable improvements without impacting functionality. If you'd like, we can go through the current setup and I can tell you how I'd approach it. Best, Mohammad
€30 EUR in 40 days
5.4
5.4

Hi, I can handle both the French localization and battery optimization while keeping the existing Android behavior stable. I’ll audit the Kotlin/Java code for hardcoded strings, move all user-facing text into proper resources, preserve placeholders/plurals/accessibility descriptions, and deliver natural French localization without breaking layouts. For battery usage, I’ll profile the app before/after and optimize background services, wake locks, location/sensor updates, polling, alarms, and WorkManager/JobScheduler usage. I’ll provide clean commits plus a concise report with measurable results from an Android 13 device. A couple of questions: ==================== 1. Can you share the current project/repository and existing test setup? 2. Do you already have a defined 30-minute battery test scenario for the baseline? 3. Which mid-range Android 13 device should I use for validation? I’m ready to review the codebase and start with a baseline audit and profiling. Best Regards, Ekta
€20 EUR in 40 days
5.1
5.1

Hello, client ⚡ I can handle both the French localization and battery optimization of your existing Kotlin/Java Android app without disrupting its current functionality. My 10+ years of mobile/full-stack experience includes Android, Kotlin, Java, performance optimization, and production application development, so I can approach this at the code and profiling level rather than making superficial changes. I’ll audit user-facing strings, preserve placeholders/plurals/accessibility content, and produce natural French resources while checking English/French runtime behavior. For battery usage, I’ll profile the current baseline, inspect background work, wake locks, location/sensors, polling, WorkManager and scheduling, then make targeted changes and compare before/after results on Android 13. I’ll provide the updated resources, clean commits/source changes, and a concise report with profiling evidence. I’ll also validate the existing tests and specifically target the required 15%+ reduction without sacrificing features. Best regards, Darial
€27 EUR in 40 days
3.5
3.5

Hi, I am an Android developer with 8 years of rich experience in software development. I am familiar with Kotlin, Java, Android Studio, Android Localization, Accessibility, WorkManager, JobScheduler, Battery Historian, Android Profiler, and Performance Optimization. I can move all user-facing text into properly structured Android resources and prepare the French `values-fr` localisation while preserving placeholders, plurals, formatting, and accessibility descriptions. I can also profile the current battery usage and optimize background services, wake locks, location/sensor updates, network polling, and scheduled work without affecting existing functionality. I will provide the updated resource files, clean source changes with clear commits, and a short before/after report showing the battery-related improvements. I will also make sure the existing tests pass and verify both English and French layouts for regressions. I'm an individual freelancer and can work on any time zone you want. Please contact me with the best time for you to have a quick chat. Looking forward to discussing more details. Thanks. Emile.
€25 EUR in 40 days
3.9
3.9

Hi, I am a professional web developer and I can do this project "Android Translation & Battery Optimization", I have 5 years of experience in web development. I have done many projects like this. I can do this job for you. I can start right now. Please contact me. Thanks
€18 EUR in 2 days
3.9
3.9

Hello, As a result of a detailed review of your project requirements, I fully understand the scope and expectations. You need two focused improvements to an existing Kotlin/Java Android app: complete French localisation and measurable battery-usage optimisation without introducing regressions. I have experience with Android, Kotlin, Java, Android Studio, localisation resources, accessibility, background execution, WorkManager/JobScheduler, location services, wake locks, and performance profiling, and I'm available to start right away. In my opinion, the key challenge is reducing power consumption while preserving existing behaviour. I would first profile the current build with Android Studio Profiler/Battery Historian, identify the highest-cost background services, alarms, polling, location or sensor activity, then make targeted changes and compare results under the same test scenario. For localisation, I will move remaining hard-coded UI text into resources and create the French resource set while preserving placeholders, plurals, formatting and content descriptions. I can deliver the updated resources, clean source changes/PR, clear commits, and a short before/after optimisation report. I will also run the existing unit/UI tests and verify EN/FR switching. Two quick questions: • Can you provide the source repository and current profiler baseline? • Does the app rely on continuous background location or any always-running service? Best regards, Carlos.
€20 EUR in 40 days
3.0
3.0

Your app is already solid, but the two gaps are clear: incomplete localisation and unnecessary battery drain. I can move every user-facing string into clean resource files, translate it into natural French, and preserve placeholders, plurals, formatting, and content descriptions so nothing breaks. On the power side, I’ll audit the Kotlin and legacy Java code for background work, wake locks, location/sensor usage, polling, and WorkManager/JobScheduler behavior, then apply lightweight fixes that reduce drain without changing features. I’ve done this before on Android apps with mixed Kotlin/Java codebases, including localisation cleanup and profiling-driven battery tuning using Android Studio Profiler and Battery Historian. You’ll get updated resource files, refactored code with clear commit messages, and a concise report showing the changes and evidence of improved battery behavior on a mid-range Android device. Best, NexLoom Labs
€18 EUR in 40 days
2.2
2.2

Hello, I reviewed your project about completing the CodeIgniter e-commerce catalog integration. I will improve the existing system with unified product flows, vendor data integration, filtering logic, cart handling, and CodeIgniter MVC updates while keeping the current architecture stable. The final result will include a reliable shopping experience across all vendors, optimized database handling, clean code updates, and clear documentation for future maintenance. I would be happy to discuss the implementation. Best Regards Sara
€25 EUR in 40 days
2.0
2.0

Hello The hardest part is usually aligning data quality, evaluation, and production monitoring with real-world latency and compliance constraints. Integration with existing systems and clear ground truth often drive most of the early risk. What does the current stack look like for ingestion and deployment? Are there SLAs or compliance boundaries I should plan around? Is the work batch-only or does it require real-time inference? Looking forward to learning more about the architecture.
€25 EUR in 40 days
0.0
0.0

Hi, This project has two clearly measurable goals: complete French localization without introducing resource regressions, and a verified reduction in battery consumption while preserving all existing functionality. I’d start by auditing every user-facing string across XML, Kotlin, and legacy Java, moving hard-coded text into Android resources and creating a complete values-fr localization while preserving placeholders, plurals, formatting, and accessibility content. For battery optimization, I’d profile the current build first so changes are driven by actual usage rather than assumptions. I’d review background services, wake locks, location/sensor frequency, network polling, alarms, and WorkManager/JobScheduler configuration, then make targeted changes and repeat the same 30-minute test scenario to quantify improvement. I’d keep the refactor lightweight, testable, and compatible with Android 13, with clear commits and documentation of before/after findings. My background includes Kotlin/Java Android development, application profiling, localization, and maintainable mobile architecture. I’m confident I can address both parts without unnecessary rewrites. Best, Radin.
€36 EUR in 40 days
0.0
0.0

I can enhance your Android app by improving translation quality and optimizing battery usage. I have experience localizing apps for multiple languages while ensuring smooth performance and efficient power consumption. My approach involves refining language integration to provide accurate, context-aware translations and analyzing app processes to reduce battery drain without sacrificing functionality. Do you already have specific languages targeted for translation, or are you looking to expand broadly?
€27 EUR in 7 days
0.0
0.0

Hi, I can handle both localization and battery profiling as one controlled update. I’ll extract remaining UI text into Android resources, create the French `values-fr` files, and preserve placeholders, plurals, formatting, content descriptions, and locale-sensitive values. I’ll also test for clipped text and layout changes across both languages. For battery usage, I’ll establish a repeatable baseline before modifying services, alarms, wake locks, location listeners, polling, and scheduled work. Changes will favor lifecycle-aware APIs, batched operations, bounded retries, and appropriate WorkManager constraints, followed by the same 30-minute test scenario and documented before-and-after evidence. The 15% target can be validated after profiling confirms where consumption originates; I won’t manufacture a reduction by disabling required behavior. Existing tests will be run alongside focused localization and background-execution checks. Can you provide the repository, current battery-test scenario, and a physical Android 13 test device or reproducible device profile? Regards, Houssame
€27 EUR in 40 days
0.0
0.0

The 15% battery target makes this more than a cleanup pass—I’d first reproduce the 30-minute usage scenario and identify where the drain is actually coming from before changing services, alarms, polling, location, or scheduling. For localisation, I’d move remaining user-facing text into Android resources and add the French resource set while preserving placeholders, plurals, formatting, content descriptions, and anything referenced dynamically so switching locales doesn’t introduce runtime or layout regressions. On the battery side, I’d profile the current Kotlin/Java build, then tighten only the paths that are measurable: unnecessary wake locks, overly frequent location/sensor updates, network polling, background services, and WorkManager/JobScheduler configuration. I’d keep before/after evidence using the same test conditions so the improvement is defensible against your acceptance test. I’d also run the existing unit/UI tests and verify both English and French flows before handing over the source changes and concise change report.
€32 EUR in 40 days
0.0
0.0

Hi there How many user facing strings are in the app, and do you have an approved French glossary for product terms? Can you provide the exact 30 minute test flow, current battery measurements, target device model, and profiler settings used for the 15 percent benchmark? I can move every visible string into structured Android resources, preserve placeholders and plurals, then test French layouts and accessibility text across the app. I will profile the same usage scenario, optimize confirmed power drains, run the existing tests, and document each change with before and after evidence. I would be happy to review the repository and agree on a measurable test plan in chat. Best Kittipong
€27 EUR in 40 days
0.0
0.0

Hi, I’m Lokesh, an experienced Android/Kotlin developer. I can handle the complete French localization and optimize background tasks, wake locks, location/network usage, and WorkManager to reduce battery consumption without affecting features. I’ll provide clean code, before/after profiling metrics, and a short report. I can start immediately and deliver in 3–5 days. Let’s discuss access to the current codebase.
€18 EUR in 40 days
0.0
0.0

El Omraniya, Egypt
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