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I’m looking for an engineer who can build a full Android-based operating system for a new line of mobile devices. This goes well beyond theming or app-level tweaks—I need the entire stack compiled, optimized and ready to flash on prototype hardware. Here’s the scope in plain terms • Port and configure the latest stable Android source to our device’s chipset (Qualcomm Snapdragon 7-series). • Integrate all required low-level drivers supplied by the hardware vendor—camera, modem, GPU and power management must work flawlessly. • Apply security hardening at kernel and SELinux levels, keeping Google CTS compliance in mind so we can pass certification later on. • Deliver a clean build environment (AOSP + proprietary blobs) and a reproducible build script so my in-house team can generate future releases on their own. • Produce a flashable image, recovery partition and OTA update package, each validated on at least two reference phones. Acceptance criteria 1. The OS boots to home screen with no kernel panics. 2. Cellular, Wi-Fi, Bluetooth, GPS, camera and fingerprint sensor operate reliably. 3. Battery life within 5 % of stock Android on identical hardware. 4. CTS tests reach pass state; any remaining failures documented with remediation plan. 5. Full source tree and build instructions compile from scratch on Ubuntu 22.04 without manual patching. If you’ve previously shipped custom ROMs, modified AOSP or worked directly with board support packages, you’ll feel right at home. Let’s discuss your approach and timeline; I’m ready to start as soon as you are.
ID Projek: 40239747
101 cadangan
Projek jarak jauh
Aktif 14 hari yang lalu
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101 pekerja bebas membida secara purata $19 USD/jam untuk pekerjaan ini

Hello We are Ominfowave Software Services Pvt. Ltd., and we have an expert mobile application development team with 10+ years of experience in building reliable, high-quality apps. ? Our Core Expertise •Android App Development (Kotlin / Native) •iOS App Development •Flutter & FlutterFlow (Cross-platform) Our team understands not just development, but also performance, user experience, scalability, and timely delivery. ? What We Can Deliver ✔ Social media integrations (Facebook, Google, Twitter, etc.) ✔ Google APIs (Maps, Places, FCM, YouTube, Analytics) ✔ Offline & cloud database solutions (SQLite, MySQL, Realtime DB) ✔ Secure payment integrations (Stripe, PayPal, Braintree) ✔ Ad monetization (AdMob, Appodeal, MobVista) ✔ In-App Purchases ✔ Location tracking & real-time features ✔ Chat & messaging applications ? App Types We’ve Built •Social Media Apps •Shopping & eCommerce Apps •Job Portals •Taxi / Carpooling Apps •VPN & Utility Apps •Travel & Booking Apps •Live Streaming Apps •AI & Machine Learning–based Apps ? Why Work With Us •10+ years of hands-on experience •Clean, scalable & secure code • Clear communication & regular updates • On-time delivery with quality assurance • Long-term support after project completion We would love to work with you and build a long-term, trusted business relationship. Let’s discuss your idea and turn it into a successful application Warm regards, Vishal Nasit Ominfowave Software Services Pvt. Ltd.
$18.50 USD dalam 40 hari
8.4
8.4

Hello, HAVE HANDS-ON EXPERIENCE WITH SUCH PROJECT I have 9+ years of proven experience working with AOSP builds, BSP integrations, and custom Android firmware, and I fully understand your requirement for building a secure, production-ready Android OS tailored to Snapdragon 7-series hardware. Your goal is to develop a scalable, CTS-compliant Android OS that delivers stable performance, optimized hardware integration, and a seamless user-centric experience across your new device line. -->> Latest stable AOSP porting to Qualcomm Snapdragon 7-series -->> Low-level driver integration (camera, modem, GPU, power) -->> Kernel & SELinux hardening with CTS readiness -->> Reproducible Ubuntu 22.04 build environment + OTA package delivery My approach focuses on clean architecture, secure kernel-level configurations, efficient BSP integration, and an agile workflow with continuous validation on reference devices. I would approach your project by starting with wireframes and getting the UI/UX design completed, before starting the actual development phase, ensuring alignment before full-stack implementation. I am confident in successfully implementing this project from start-to-finish. Let's come together and create a platform that not only propels your business but also stands out prominently within the marketplace. Thanks & regards Julian
$15 USD dalam 40 hari
8.4
8.4

I specialize in Java, Linux, Mobile App Development, Android, and Ubuntu, making me a perfect fit for the Custom Android OS Development project. I am confident in my ability to meet the requirements outlined and ensure a successful outcome. Budget flexibility is possible once project scope is clarified, with a focus on efficiency. Let's discuss the details further and get started promptly. Please review my extensive 15-year profile for a comprehensive view of my experience. Let's collaborate and achieve great results together.
$18 USD dalam 3 hari
6.9
6.9

| Mobile Application | Flutter | React | iOS | Android | Web Application EXPERT Hi, Thanks for sharing this opportunity! I have read your project requirements. Over the past 10+ years, I've built a strong foundation in full-stack development, specializing in mobile app development using iOS, Android, React Native, and Flutter. My proficiency in these languages would allow me to do so with great efficiency. Due to NDAs, links aren’t public—but once you open the chat, I’ll share live demos and walkthroughs. Why you should move forward with me : More than a decade experience in mobile and web app development. Full-time availability as well as daily updates and open to long-term engagements NOTE: Please pan the budget for now, we will discuss over chat. Thanks & Regards, Srishti
$20 USD dalam 40 hari
6.9
6.9

⭐⭐⭐⭐⭐ We can deliver a production-ready Android OS for your Snapdragon 7-series hardware with a structured, certification-focused approach. Phase 1 – Platform Bring-Up CnELIndia’s embedded Linux team will sync the latest stable AOSP, integrate Qualcomm BSP, proprietary blobs and device tree, then complete kernel configuration, bootloader alignment and initial bring-up. Hardware validation covers modem, camera HAL, GPU, Wi-Fi, Bluetooth, GNSS, fingerprint and power domains. Phase 2 – Stability & Optimization Under the technical leadership of Raman Ladhani, we harden the kernel (KASLR, seccomp, verified boot), refine SELinux policies, optimize power profiles and thermal configs to achieve battery parity within 5% of stock. Continuous log tracing eliminates kernel panics and driver instability. Phase 3 – Compliance & Certification Readiness CTS/GTS execution with structured remediation tracking. Any failures are documented with resolution plans aligned to Google certification paths. Phase 4 – Release Engineering We deliver reproducible Ubuntu 22.04 build scripts, clean source tree, flashable images, recovery, and OTA packages validated on two reference devices. Timeline: 12–16 weeks including validation and CTS stabilization.
$20 USD dalam 40 hari
7.1
7.1

Hi there, I’ve reviewed your Android app requirements and would love to collaborate on your project. With 5+ years of experience in native Android development, I specialize in building high-performance, user-friendly apps with clean UI, optimized architecture (MVVM/MVI), and seamless API integration. I’ll start with a clear project roadmap, provide regular progress updates, and ensure the app is thoroughly tested for stability and performance before launch. Let’s connect to discuss your app idea in detail — I’m ready to bring your vision to life! Best, Bhargav Android Developer | Kotlin & Java Expert
$20 USD dalam 40 hari
7.0
7.0

Hello, I will develop your MOBILE APPLICATION for Android with Web admin panel. I am Tulsiram. I have 10 years of experience working as Native and Crossplatform mobile application developer. I am understood your requirements. I am glad if we are working together. If you interested then let's connect. I will provide you Daily updates ,source code after development completed, 1 Year maintenance Support in following Steps: I will available daily 10-12 hours in Working days for you. I will provide you regular updates according to which modules we will decided. After approval each module by you then i will provide your complete source code of your project and will shift on your Domain. Thanks
$15 USD dalam 40 hari
6.6
6.6

Building a custom Android-based operating system is an intricate process, but I believe my team at Einnovention possesses the range of skills and expertise ideally suited for your project. With over 10 years of experience in Android App Development, we have hands-on knowledge of porting and configuring Android source to different chipsets along with integrating low-level drivers for smooth hardware operation. Our robust proficiency extends to applying necessary security hardening, ensuring the kernel and SELinux levels remain Google CTS compliant so that future certifications won't be a headache. We're confident in our ability to deliver a clean build environment with reproducible build scripts to empower your in-house team for future releases. Moreover, we understand the value crucial elements like battery life, cellular stability, and CTS testing holds for your operating system. Thus we’ve developed robust monitoring, debugging, and testing strategies to assure that your OS boots reliably without panics while maintaining all key functionality parameters within strict thresholds. Operating on Ubuntu 22.04 is also not an issue as it’s a preferred platform for many of our team members. Let's collaborate on this OS development project to produce an impeccable solution that meets your specific requirements while surpassing your expectations.
$20 USD dalam 40 hari
6.4
6.4

Hello, I hope you are doing well. I understand that you are looking to build a 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.
$15 USD dalam 40 hari
7.0
7.0

Hi I will be able to help you. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Mobile Application development in Native on Android Java, kotlin and IOS Swift, and For Hybrid Cross platform on Flutter Dart & React- Native, and for web and backend on react js and node js, Python Django , java spring boot and php CodeIgniter mvc. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
$15 USD dalam 40 hari
6.5
6.5

Hello There!!! I understand you're looking for an engineer to build a full Android OS tailored for a new mobile device using the Qualcomm Snapdragon 7-series chipset. The project includes porting the latest stable Android source, integrating low-level drivers, security hardening, and ensuring CTS compliance for future certification. Services 24*7 available for discussion (reply in a few hours) Kernel and SELinux hardening for security Device driver integration for camera, modem, GPU, etc. Production of flashable images, recovery partitions, and OTA updates Build environment setup for in-house team I have 9+ years of experience working with Android development, including custom ROMs, AOSP modifications, and integrating hardware drivers. I focus on clean, efficient build environments and ensuring stability across devices. My approach will involve compiling the latest AOSP source, integrating vendor-specific drivers, and ensuring all hardware functions properly. I will also provide build scripts for future releases and thoroughly test the image on reference devices. Let's discuss your specific hardware and move forward! Warm Regards, Farhin B.
$15 USD dalam 40 hari
6.5
6.5

Hello, As per your project post, you are looking to build a fully customized Android based operating system for your new mobile devices by porting the latest Android source, integrating chipset specific drivers, and delivering a secure, flash ready build with OTA support. The goal is to create a stable, optimized, and production ready OS that your internal team can maintain, update, and certify for commercial deployment. My approach will focus on setting up the complete AOSP build environment, integrating vendor provided binaries, configuring kernel and security policies, and producing validated flashable images and OTA packages. I will also ensure proper documentation and reproducible build scripts so your team can independently generate and maintain future releases. I specialize in Android system level development, including AOSP builds, device bring up, chipset integration, and production release preparation. My focus will be on delivering a stable and maintainable OS build that is ready for testing, internal deployment, and future certification workflows. I am confident I can help you deliver a secure, optimized, and fully deployable Android operating system tailored to your hardware and long term product goals. Let us connect to review your hardware readiness and plan the build and validation process. Best regards Nikita Gupta
$15 USD dalam 40 hari
5.1
5.1

✋ Hi There!!! ✋ The Goal of the project:- BUILD AND OPTIMIZE A FULL CUSTOM ANDROID OS FROM AOSP FOR SNAPDRAGON 7 SERIES WITH DRIVER INTEGRATION AND CTS READINESS. I have carefully read and understood your complete project description including AOSP porting, Qualcomm BSP integration, kernel and SELinux hardening, CTS compliance, reproducible Ubuntu build setup, OTA packaging, and validated flashable images. I am confident I am the best fit for this project because I have strong experience working with Android system level builds and embedded Linux environments. 1. AOSP compilation and chipset level configuration for Qualcomm based devices. 2. Integration of proprietary drivers including camera, modem, GPU, and power management. 3. Security hardening, SELinux policies, CTS testing, and reproducible build scripts. I provide testing, build environment setup, documentation, source tree delivery, and full deployment support along with essential validation processes. I have 9+ years experience as a full stack developer and have worked on custom ROM builds, kernel modifications, and embedded Android system deployments. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
$15 USD dalam 40 hari
5.1
5.1

Hello!!! I HAVE ALREADY WORKED ON SIMILAR TYPE OF PROJECT OPEN CHAT WINDOW I WILL SHARE MY WORK. With 7+ years in Android and embedded systems development, I can port and configure AOSP for your Snapdragon 7-series devices, integrate all low-level drivers, apply kernel and SELinux hardening, and deliver a reproducible build environment along with a flashable image and OTA update package. Do you want CTS compliance testing included in the MVP delivery or as a separate validation phase? Should the OTA system support incremental updates only or full image replacement as well? What I offer: ⭐ Full Android OS port and configuration for your chipset ⭐ Integration of camera, modem, GPU, power, and other low-level drivers ⭐ Security hardening at kernel and SELinux levels ⭐ Reproducible AOSP build environment with scripts ⭐ Flashable image, recovery partition, and OTA update package ⭐ Documentation and instructions for future in-house builds Approach: First, set up the build environment and integrate hardware drivers. Then compile AOSP with security hardening and optimize system performance. Finally, validate all hardware functionality, run CTS tests, and deliver flashable images with documentation. Let’s connect to discuss your timeline and hardware specifics. Best Regards, Shaiwan Sheikh
$15 USD dalam 40 hari
5.0
5.0

HI I will develop a high-performance, custom Android application tailored to your specific feature requirements using Kotlin and Jetpack Compose for a modern, fluid UI. My approach focuses on a robust MVVM architecture to ensure the app is scalable, easy to maintain, and optimized for seamless integration with your existing APIs. Kundan
$15 USD dalam 40 hari
4.9
4.9

With years of experience in Android app development and extensive knowledge in working with AOSP, I am fully equipped to take on the challenging task of building a custom Android OS for your new line of mobile devices. My previous projects include custom ROMs, modified AOSP work, and direct involvement with board support packages. In a nutshell, doing justice to your project's requirements is what I am renowned for. I believe in maintaining transparency throughout projects which is why I assure you full documentation of all CTS test results alongside remediation plans if any failures do occur. And just as you need a clean build environment and reproducible build scripts for future releases, I ensure delivering that too—nothing will remain exclusive or hidden in code black boxes. With my expertise backed by fast communication and cocurricular project support, I guarantee an on-time delivery while maintaining the highest client satisfaction levels - your project will be completed proficiently, efficiently, and precisely!
$15 USD dalam 40 hari
4.8
4.8

Dear Sir/Madam, I am Kishore Patidar, a professional Mobile App and Python Developer with strong experience in building scalable, production-ready mobile applications and backend systems. I specialize in Flutter (cross-platform), Android (Java/Kotlin), Firebase, Supabase, Node.js, FastAPI, and Django. I have successfully delivered multiple live apps on both Google Play Store and Apple App Store, including fintech, healthcare, education, social networking, and on-demand service platforms. My expertise includes: * Cross-platform mobile app development (Flutter) * Backend API development (Node.js, FastAPI, Django) * Payment Gateway integration (PhonePe, Razorpay, Stripe) * Real-time chat & notification systems * Admin panel & dashboard development * App deployment & store publishing * Secure authentication & role-based systems I focus on clean architecture, scalable backend design, optimized performance, and smooth user experience. From idea to deployment, I can handle complete end-to-end development. I would be happy to discuss your project requirements and deliver a reliable, high-quality solution within timeline. Looking forward to working with you. Best Regards, Kishore Patidar Mobile App / Python Developer
$15 USD dalam 40 hari
4.8
4.8

Hey , I just finished reading the job description and I see you are looking for someone experienced in Java, Android SDK, Linux, Embedded Systems, Android App Development, Android, Ubuntu and Mobile App Development. This is something I can do. Please review my profile to confirm that I have great experience working with these tech stacks. While I have few questions: 1. These are all the requirements? If not, Please share more detailed requirements. 2. Do you currently have anything done for the job or it has to be done from scratch? 3. What is the timeline to get this done? Why Choose Me? 1. I have done more than 250 major projects. 2. I have not received a single bad feedback since the last 5-6 years. 3. You will find 5 star feedback on the last 100+ major projects which shows my clients are happy with my work. Timings: 9am - 9pm Eastern Time (I work as a full time freelancer) I will share with you my recent work in the private chat due to privacy concerns! Please start the chat to discuss it further. Regards, Haseeb,
$50 USD dalam 20 hari
4.4
4.4

Hello I have hands-on experience building custom Android systems from the Android Open Source Project. I can port the latest Android version to your device, integrate all required drivers, and make sure everything runs smoothly—network, camera, fingerprint, battery, and more. I will also handle security hardening, CTS preparation, and provide a clean Ubuntu 22.04 build setup with clear instructions for your team. You will receive tested flashable images, recovery, and OTA packages. Estimated timeline: 6–10 weeks. Ready to start right away. Thank you Ravinder
$20 USD dalam 40 hari
4.4
4.4

Leveraging a decade's worth of experience in the tech industry, I am confident that my team at WellSpring Infotech is the best-equipped to take on your challenging project. Our comprehensive skills in Android development and our successful track record of shipping custom ROMs and modified AOSP responses are perfectly aligned with the requirements you've outlined for your unique Android OS development. We've also extensively worked with board support packages similar to yours. Consistency is a watchword at our company, and we understand both the intricacies of AOSPs as well as the stringent Google CTS compliance required for certification. Your prototype hardware in relation to the Qualcomm Snapdragon 7-series chipset won't pose any obstacles for us, as we've had extensive prior experience working with it. To ensure seamless continuity post-delivery, we will provide a clean build environment along with reproducible build scripts so that your in-house team can continue generating future releases independently. Thanks....
$15 USD dalam 40 hari
4.2
4.2

Kisumu, Kenya
Ahli sejak Feb 16, 2026
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