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I’m setting out to build a brand-new Android mobile application from the ground up. Everything is open—concept, architecture, and interface—so I’m looking for someone who can guide the entire journey from initial wireframes to the final signed APK on Google Play. Here’s what I need you to cover: • Shape the core concept with me, translate ideas into clear user flows and wireframes. • Develop the full Android codebase (Kotlin or Java—your call), ensuring clean architecture and modular, well-documented components. • Integrate any essential services (RESTful APIs, Firebase, local databases) and implement robust error handling, offline support, and responsive layouts for multiple screen sizes. • Provide a testable build early, iterate on feedback, and deliver the final release build, full source code, and basic setup documentation. Acceptance criteria: 1. A compiled, upload-ready APK that passes Play Console checks. 2. Source code pushed to a private Git repo with clear README instructions. 3. No critical crashes or blocking bugs detected during user acceptance testing. If you have a portfolio of polished Android apps and can communicate progress regularly, let’s talk.
Project ID: 40593903
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Active 9 hours ago
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47 freelancers are bidding on average $12,876 USD for this job

With over 8 years of experience in web, WordPress, and app development, I am equipped with the necessary skills to bring your Android mobile application to life. I have the ability to shape core concepts and proficiently translate them into user flows. Not only will I develop the entire Android codebase but ensure it is clean, modular, and most importantly, well-documented. Introducing essential services such as RESTful APIs, Firebase, and local databases will be no problem for me. What sets me apart is my dedication to delivering a quality product. From providing a testable build early on to iteratively improving it as per your feedback, your satisfaction is my foremost priority. I'm proud to say I have a proven track record of projects without critical crashes or blocking bugs during user acceptance testing - something that's crucial for the success of any application. On top of these skills and experience, I believe my communicative nature will go a long way in our collaboration. Regular updates on progress will ensure transparency and give you peace of mind. Through choosing me for this project, you're not just hiring a freelancer; you're taking on a partner dedicated to building a successful app and establishing a solid relationship with you. Let's discuss further how we can create something amazing together!
$10,000 USD in 7 days
6.5
6.5

Good to see this project, I will take your open concept through wireframes, Kotlin development, and a signed APK ready for Google Play. You will get the full source in a private Git repo with README documentation, plus Firebase integration, offline support, and responsive layouts across screen sizes. On a recent Android build, shipping a testable APK in week one (before finalizing the full feature set) helped the client reshape two major flows early, saving significant rework later. I will follow the same approach here. Questions: 1) Do you have a rough idea of the app category or target audience, or is that part of the concept shaping phase? 2) Are there specific third party APIs or services you already plan to connect, or will we decide that during architecture planning? Ready to start whenever you are. Kamran
$11,465 USD in 30 days
6.3
6.3

Hello, I am very interested in the opportunity to work on building your brand-new Android mobile application. I have a strong background in Android App Development and Java, which makes me well-equipped to guide the entire development process from initial wireframes to the final APK on Google Play. I understand the project requirements of shaping the core concept, developing the Android codebase, integrating essential services, and providing a testable build for iterative feedback. My expertise in Android development will ensure clean architecture, robust error handling, and responsive layouts for various screen sizes. - MY WORK STATS: ✨ https://www.freelancer.com/u/XanvraTECH I would love to discuss this project further and explore how we can collaborate to bring your vision to life. Best regards, Warda Haider
$10,000 USD in 25 days
5.4
5.4

Hi there, We will build your Android app from concept through Play Store release: wireframes, full Kotlin codebase, backend integration, and a signed APK ready for upload. Our approach starts with a short discovery sprint to lock down the core user flows before writing any code. We will use MVVM with clean architecture layers so each module (networking, local DB, UI) stays independent and testable. For offline support, Room will sync with your remote data source using a repository pattern that queues writes locally and pushes them when connectivity returns. A couple of quick things to confirm: 1) Do you have a specific app concept in mind already, or is ideation part of the scope? 2) Will the app need user authentication (Google Sign-In, email/password, or both)? The number quoted here is a starting estimate. Looking forward to potentially working together. Thanks, Faizan
$11,014 USD in 30 days
4.8
4.8

hi, i have reviewed the details of your project. i have experience building android applications from start to finish. i will help define the app idea, create user flows and wireframes, develop a clean and scalable android application using kotlin or java, integrate the required apis, firebase, and local storage, and make sure the app performs well across different devices. i will provide test builds during development, fix issues based on feedback, and deliver the final apk, source code, and documentation. can we schedule a quick meeting to discuss the project in detail. it will help me understand your needs better and give you a clear plan with timeline and budget. i will also share my portfolio during the chat. mughiraa
$15,000 USD in 7 days
3.6
3.6

Android apps from concept to Google Play — that's exactly what we do. Our default stack: Kotlin + clean architecture (MVVM/MVI), Firebase for auth/storage, Retrofit for REST APIs, Room for local persistence. For your app: we'd start with a discovery call to shape the core concept, wireframes for sign-off, then build in 2-week sprint cycles with testable builds throughout. Final delivery includes a Play Console-ready APK, full source in a private Git repo, and setup docs. We've shipped multiple Android apps to the Play Store — happy to share portfolio samples. One question: do you have a domain or industry in mind for this app, or is the concept entirely open for us to propose?
$10,000 USD in 60 days
3.6
3.6

Hey , I just saw your project regarding saya ahli editing - 20/07/2026 12:05 EDT. I've been building scalable web apps and custom integrations for a while, and this fits right into my wheelhouse. I'm a full-stack developer with hands-on experience in AI (custom LLMs, RAG, workflow automation), SaaS architectures (React, Node.js), and Web3 integrations. Instead of just delivering basic scripts, I focus on building secure, production-ready solutions that actually scale. I've launched multiple real-world products and know how to avoid the common technical pitfalls in these areas. Let's have a quick chat so we can go over your exact needs. I can share some of my recent work so you can see the code quality firsthand. Best, Emre
$10,000 USD in 50 days
0.0
0.0

Hello, I understand the core objective behind your project of developing a brand-new Android mobile application from scratch. With my expertise in Java and Android App Development, I can assist in shaping the concept, creating user flows, developing a clean codebase, integrating necessary services, and delivering a testable build for iterative improvements. My portfolio includes successful Android applications that demonstrate my ability to deliver high-quality, user-centric solutions. I prioritize clear communication and transparent progress updates to ensure alignment with your vision throughout the project. Could you please share more insights on your top priority or main business goal for this application? Let's discuss further in an open chat to finalize the scope seamlessly. Best regards, Muhammad Anas Khan Portfolio: ⭐⭐ https://www.freelancer.com/u/CodeAnchors ⭐⭐
$10,000 USD in 20 days
0.0
0.0

Hello, Our team is based in Japan, blending strong technical skills with Japanese discipline, punctuality, and attention to detail. We'll work efficiently to complete your project perfectly — and as quickly as possible. Expect clear communication, reliable delivery, and a deep commitment to quality. Whether it's a small fix or a full build, we’ll treat your project with the care it deserves. Let’s make it happen. Warmly Regards.
$10,000 USD in 7 days
0.0
0.0

With a diverse skillset covering Java and mobile app development, I can deliver the top-notch app you're looking for with professional reliability. At Web Crest, we pride ourselves on our experienced development team that has transformed countless ideas into successful, scalable digital products. Drawing on my thorough understanding of both Kotlin and Java, I guarantee that your new Android application will have a clean architectural design that's modular and well-documented. In addition to developing the codebase, I'm highly skilled in integrating essential services such as RESTful APIs, Firebase, and local databases - crucial for building robust apps. Moreover, my commitment to client satisfaction aligns well with your need for ongoing communication and progress updates. I'll ensure your queries are promptly addressed, providing you with a testable APK early on to iterate based on your feedback. My dedication continues even after project delivery with long-term technical support backed by agile project management. Choose me and Web Crest for an unrivaled experience in android development that goes beyond just coding. Trust us to build not just an app but a solid foundation for your business growth!
$10,000 USD in 7 days
2.4
2.4

Hi there! I understand you need a complete Android app built from idea to Play Store release, with proper planning, clean development, and a stable user experience. The main challenge is turning an open concept into a scalable app without technical issues later. I have experience building Android applications with Kotlin/Java, including UI development, API integration, Firebase services, local databases, and performance optimization. I have worked on projects where clean architecture, testing, and smooth user flows were important. My approach starts with understanding your idea and creating clear wireframes and user flows. I will develop a modular Android codebase with proper documentation and scalable structure. I will provide early builds for feedback and improvements. I will also handle testing, bug fixing, and final APK preparation for Play Store submission. check our work [https://www.freelancer.com/u/ayesha86664](https://www.freelancer.com/u/ayesha86664) Could you share your app concept and any similar apps you want it to follow? Let me know if you’re interested & we can discuss it. Best Regards Ayesha
$10,000 USD in 4 days
0.0
0.0

Hello, ✔️ Building a brand-new Android application can be challenging, especially when it comes to translating ideas into functional designs and ensuring a smooth development process. I can guide you from initial wireframes to a polished APK, ensuring every detail aligns with your vision. How I would tackle this: • Collaborate on user flows and wireframes • Develop modular code using Kotlin or Java • Integrate services with robust error handling With consistent 5-star service and strong communication, I prioritize building long-term relationships. I’ll keep you updated throughout the project, ensuring your feedback shapes the final product. What specific features do you envision for your app? Best, Kurt
$10,000 USD in 7 days
0.0
0.0

Hi, Aashiq here from Cape Town, South Africa. This project instantly caught my eye, so I had to reach out. I see you’re looking to build a brand-new Android mobile application from scratch, focusing on everything from concept to the final APK on Google Play. That’s an exciting challenge! I've helped businesses bring their app ideas to life by developing high-quality Android applications that integrate seamlessly with services like RESTful APIs and Firebase. I’m confident I can deliver a clean, modular codebase that meets your specifications. Feel free to ask for samples of my previous work! Based on what you mentioned, here is how we would approach the project: - Collaborate on wireframes and user flows to shape the core concept. - Develop the app using Kotlin or Java, focusing on clean architecture. - Implement essential services and ensure robust error handling. - Provide early testable builds and iterate based on your feedback. You can count on clear communication and a user-focused solution optimized for performance. Best Regards, Aashiq
$18,000 USD in 7 days
0.0
0.0

Hi there, We at Resonite Technologies specialize in end-to-end custom Android app development (native Kotlin / Clean Architecture) and have a proven track record of guiding concepts from initial wireframes to production-ready Play Store releases. What We Will Deliver: UI/UX & Wireframing: Collaborative concept shaping, wireframes, and modern responsive design for all screen sizes. Robust Codebase: Modular, well-documented Kotlin code adhering to MVVM/Clean Architecture with robust error handling and offline caching. Backend & API Integration: Seamless RESTful API, Firebase, and local database (Room/SQLite) synchronization. Full Delivery & Launch: Production-ready signed APK (Play Console compliant), full source code on private Git repo with README, and handover documentation. Why Us: Our team of senior Android engineers has successfully shipped scalable, crash-free mobile applications across multiple industries. We provide regular milestone updates and iterative test builds throughout the build process. We are ready to connect and start shaping your product immediately! Best regards, Resonite Technologies
$19,900 USD in 7 days
0.0
0.0

Hi, I’m Karthik (15+ years in mobile app & full-stack development). I specialize in end-to-end Android application development using modern Kotlin, Clean Architecture (MVVM/MVI), Jetpack Compose, and robust cloud/Firebase backends. Core Implementation Plan Concept & UX/UI: Translate your vision into sleek wireframes, clear user flows, and responsive Jetpack Compose screen layouts. Architecture & Development: Build a clean, modular Kotlin codebase with offline caching (Room), RESTful API/Firebase integration, and robust error handling. QA & Store Release: Continuous staging builds, thorough UAT testing, Play Console policy compliance checks, and full Google Play submission. Deliverables Upload-ready, production-signed Android APK / AAB. Clean, well-documented Kotlin source code pushed to your private Git repo. System architecture & setup documentation (README). Bid & Timeline Quotation: $19,000 USD Timeline: 6–8 Weeks Milestones: Wireframes & Architecture → Core App Build → API/Firebase Integration → Testing & Play Store Release Ready to jump on a call and shape the concept together!
$19,000 USD in 7 days
0.0
0.0

Dear Sir, I am thrilled to bid your project. I can help shape your Android app from the initial concept through wireframes, development, testing, and final Google Play submission. I recommend Kotlin with clean architecture because it provides strong performance, modern Android support, and a maintainable codebase for future updates. I will define the user flows, create clear wireframes, build responsive screens, and integrate REST APIs, Firebase, local storage, offline handling, and robust error management where required. You will receive early test builds so feedback can be applied before the final release. I will also test the app across common Android screen sizes, resolve critical issues, prepare the signed APK or AAB, and support the Play Console submission process. The full source code will be delivered through a private Git repository with organized commits and a clear README covering setup and build instructions. I can share examples of polished Android applications during our discussion and provide regular progress updates throughout development. One crucial question: what main problem should the app solve for users in its first release? Sincerely.
$15,000 USD in 7 days
0.0
0.0

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