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$38/hr
100% Job Success
$200K+ earned
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👉 𝐌𝐨𝐬𝐭 𝐚𝐩𝐩𝐬 𝐝𝐢𝐞 𝐚𝐟𝐭𝐞𝐫 𝐥𝐚𝐮𝐧𝐜𝐡. 𝐘𝐨𝐮 𝐝𝐨𝐧’𝐭 𝐧𝐞𝐞𝐝 𝐣𝐮𝐬𝐭 𝐜𝐨𝐝𝐞 - 𝐲𝐨𝐮 𝐧𝐞𝐞𝐝 𝐚 𝐩𝐫𝐨𝐝𝐮𝐜𝐭 𝐭𝐡𝐚𝐭 𝐚𝐜𝐭𝐮𝐚𝐥𝐥𝐲 𝐦𝐚𝐤𝐞𝐬 𝐦𝐨𝐧𝐞𝐲. 𝐓𝐡𝐚𝐭’𝐬 𝐰𝐡𝐚𝐭 𝐈 𝐛𝐮𝐢𝐥𝐝. Hi, I’m Julia! I help founders and businesses turn strong app ideas into high-performance mobile products. As a senior mobile app development and full stack development PM, I focus on delivering apps that are not only functional - but also drive measurable business results. 𝐂𝐡𝐞𝐜𝐤 𝐦𝐲 𝐡𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬: 📲 𝟏𝟎𝐌+ 𝐃𝐨𝐰𝐧𝐥𝐨𝐚𝐝𝐬 – mobile apps I’ve built continue to reach global audiences (check Avrora case). 💰 $𝟑𝐌+ 𝐑𝐚𝐢𝐬𝐞𝐝 – clients have secured significant funding on the strength of the apps I’ve delivered (check Layla case). 🚀 𝟓𝟎+ 𝐇𝐢𝐠𝐡-𝐈𝐦𝐩𝐚𝐜𝐭 𝐀𝐩𝐩𝐬 – across AI, FinTech, Healthcare, Real Estate, and On-Demand solutions. When you work with me, you’re not just getting a mobile app development — you’re getting a partner who knows what it takes to scale an app into a market-leading product. 🛠️ 𝐖𝐡𝐚𝐭 𝐈 𝐃𝐞𝐥𝐢𝐯𝐞𝐫 ✅ Mobile App Development – iOS and Android native apps (Swift, Kotlin) and cross-platform apps (Flutter, React Native). ✅ Full Stack Development – complete ownership from UI/UX to backend (Node.js, Python, Firebase, Supabase). ✅ UI UX Design – Figma-driven, conversion-focused designs for higher engagement. ✅ AI-Powered Apps – leveraging OpenAI, Gemini, and custom AI/ML integrations. 🔑 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐇𝐢𝐫𝐞 𝐌𝐞 ✔ 𝐎𝐮𝐭𝐜𝐨𝐦𝐞-𝐅𝐨𝐜𝐮𝐬𝐞𝐝: My apps generate funding, downloads, and revenue - not just “features.” ✔ 𝐄𝐧𝐝-𝐭𝐨-𝐄𝐧𝐝 𝐏𝐚𝐫𝐭𝐧𝐞𝐫: From idea → UX research → development → App Store launch → post-launch scaling. ✔ 𝐒𝐜𝐚𝐥𝐚𝐛𝐢𝐥𝐢𝐭𝐲 𝐅𝐢𝐫𝐬𝐭: Apps designed for performance, user growth, and long-term ROI. ✔ 𝐒𝐭𝐫𝐞𝐬𝐬-𝐅𝐫𝐞𝐞 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐲: Transparent communication and budgeting, milestone-driven sprints, no wasted time. 🌍 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 𝐈’𝐯𝐞 𝐁𝐮𝐢𝐥𝐭 𝐅𝐨𝐫 - 💰 E-Commerce Apps – C2C marketplaces, B2C stores, conversion optimization. - 🧠 AI & Chatbot Apps – AI image generators, voice recognition apps, and smart assistants. - 💳 FinTech – mobile banking, SaaS fintech platforms, wallets & payment integrations. - 🏡 Real Estate Apps – property marketplaces, CRM systems, rental platforms. - 🩺 Healthcare & Telemedicine – HIPAA-compliant apps, online consultation, patient portals. - 🧘 Mental Health & Wellness – meditation apps, therapy trackers, daily journals. - 🚖 On-Demand Platforms – Uber-style booking, delivery, and service apps. 📞 𝐑𝐞𝐚𝐝𝐲 𝐭𝐨 𝐁𝐮𝐢𝐥𝐝? Whether you’re launching an MVP or scaling your flagship mobile app, I’ll help you build it the right way - fast, scalable, and conversion-focused. 👉 𝐒𝐞𝐧𝐝 𝐦𝐞 𝐚 𝐦𝐞𝐬𝐬𝐚𝐠𝐞 𝐧𝐨𝐰, 𝐚𝐧𝐝 𝐥𝐞𝐭’𝐬 𝐬𝐜𝐡𝐞𝐝𝐮𝐥𝐞 𝐚 𝐟𝐫𝐞𝐞 𝐜𝐨𝐧𝐬𝐮𝐥𝐭𝐚𝐭𝐢𝐨𝐧 𝐭𝐨 𝐦𝐚𝐩 𝐨𝐮𝐭 𝐲𝐨𝐮𝐫 𝐦𝐨𝐛𝐢𝐥𝐞 𝐚𝐩𝐩 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐬𝐮𝐜𝐜𝐞𝐬𝐬.
Oryna S.
$60/hr
100% Job Success
$90K+ earned
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Building a mobile app and want to get it right from day one? You’re in the right place. 📩 If you’re serious about building a high-quality mobile product - book your free consultation in DM. I can review your idea, suggest the best approach, and provide a clear estimate within 24 hours. I’m a senior mobile app developer with 8+ years of experience helping startups and businesses design, build, and launch scalable mobile products without wasting time or budget on the wrong decisions. I’ve worked on 20+ projects, including MVPs, production apps, and scaling existing products used by real customers. 🚀 What you get working with me: Product-focused development (not just code execution) Smart tech decisions that save time and budget Clean, scalable architecture ready for growth Clear communication and predictable delivery 💡 My expertise: 📱 Native iOS & Android - Swift, Kotlin 📱 Cross-platform - Flutter, React Native ⚙️ Backend & APIs - Firebase, AWS, REST API 🎨 UI/UX collaboration - Figma, Sketch I don’t push specific technologies. I choose what fits your product, timeline, and business goals. 🎯 How I can help: MVP strategy & fast validation (launch in weeks, not months) Full-cycle product development (idea → App Store / Google Play) Scaling and optimizing existing apps Architecture & backend integration Fixing unstable apps and improving performance 🌍 I work best with: Funded startups Founders building MVPs Businesses scaling existing products 🤝 My approach: I work as a product partner, not just a developer - helping you prioritize features, avoid costly mistakes, and move faster toward a successful launch. Mobile App Development, iOS Development, Android Development, Cross-Platform Development, Flutter Development, Kotlin Development, Swift Development, Java Development, Software Development Agency, Full-Cycle Development, MVP Development, Product Development, App Maintenance, Software Consulting, Agile Development, API Integration, Backend Development, Cloud-Based Solutions, SaaS Development, UI/UX Design, HealthTech App Development, FinTech App Development, EdTech Solutions, E-commerce Mobile Apps, Social Media Apps, IoT Mobile Development, AI-Powered Apps, Accessibility Solutions, GPS & Location-Based Apps, Mobile Security & Encryption, REST API, Firebase, Google Cloud, AWS, BLE (Bluetooth Low Energy), Custom UI Development, Mobile App Security, Payment Gateway Integration, AI & Machine Learning, AR/VR
Oryna S. has worked .
StarkSoft
Associated with
StarkSoft
Karthick C.
$35/hr
100% Job Success
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Senior Android Engineer with 12+ years of experience designing and developing scalable, high-performance mobile applications across FinTech, E-commerce, Digital Payments, Ride-Hailing, Food Ordering, Subscription Platforms, and Mobile SDKs. I specialize in building production-ready Android applications using Kotlin, Java, Jetpack Compose, MVVM, Clean Architecture, Coroutines, Flow, RxJava, Retrofit, OkHttp, Dagger/Hilt, Kotlin Multiplatform, and Firebase. I have extensive experience modernizing legacy Android applications, migrating XML-based UIs to Jetpack Compose, and implementing Server-Driven UI architectures for dynamic feature delivery. My expertise includes: • Native Android application development • Jetpack Compose UI development • Server-Driven UI architecture • Mobile SDK development and integration • REST API integration • Performance optimization and app startup benchmarking • Memory optimization and crash analysis • CI/CD automation using Bitrise, GitHub Actions, and Azure DevOps • Play Store release management • Code reviews, mentoring, and technical leadership I have successfully delivered applications serving users across multiple countries, focusing on stability, scalability, and performance. My work has included improving crash-free sessions to over 99%, reducing CI/CD build times by 50%, optimizing application startup performance using Android Macrobenchmark, and building reusable UI component libraries and design systems. Technical Skills • Languages: Kotlin, Java, Go • UI: Jetpack Compose, XML • Architecture: MVVM, Clean Architecture, Server-Driven UI, Kotlin Multiplatform • Concurrency: Coroutines, Flow, RxJava • Networking: Retrofit, OkHttp • Dependency Injection: Dagger2, Hilt • Testing: JUnit, Espresso, Selenium, Jacoco, SonarQube, Macrobenchmark • DevOps: Bitrise, Azure DevOps, GitHub Actions, Firebase, CI/CD Pipelines • Cloud & Backend: Google Cloud Run, PostgreSQL, REST APIs I help clients build scalable Android applications, modernize legacy codebases, optimize performance, integrate APIs and SDKs, automate CI/CD pipelines, and deliver clean, maintainable, production-ready mobile solutions.
Karthick C. has worked .
Ky L.
$70/hr
100% Job Success
$60K+ earned
Available now
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Top Rated Plus developer with a 100% Job Success Score specializing in high-performance Android (Kotlin/Jetpack Compose) and iOS (Swift/SwiftUI) applications. I provide a competitive edge by integrating on-device AI - from custom fine-tuned YOLO models for real-time detection to local LLM integration for intelligent UX. Simultaneously, I offer expert-level React Native development for clients seeking high-intensity, scalable cross-platform solutions. I bridge the gap between complex AI logic and polished mobile UX. A recent production success includes a YOLO-based scanning app achieving a 100% detection rate and 99% OCR accuracy via TensorFlow Lite. Technical Expertise: - On-Device AI & Vision: Expert in custom YOLO, OpenCV, and Google ML Kit for real-time scanning and on-device LLM features. - Native Excellence: Senior-level SwiftUI and Jetpack Compose development focusing on clean MVVM/MVI architecture. - High-Intensity React Native: Building robust cross-platform apps with seamless native-module integrations and high-performance UI. - Backend & Cloud: Scalable infrastructure using AWS Lambda, Firebase, Supabase, GraphQL, and REST APIs. - Growth & Revenue: Integration of MMPs (AppsFlyer, Adjust) and analytics (Mixpanel, Customerio) to track revenue and user behavior. - Modernization: Expert at migrating legacy codebases to modern frameworks and optimizing app performance. I lead projects from the first line of code to App Store/Google Play deployment, ensuring every app I ship is production-ready, performant, and data-informed.
Ky L. has worked .
Ahsen S.
$20/hr
100% Job Success
$80K+ earned
Available now
Offers consultations
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Need a Mobile App that actually scales, performs, and feels right to users? You’re in the right place. I’m a senior mobile developer with 8+ years of experience building 60+ production apps across fintech, e-commerce, healthcare, logistics, and on-demand platforms. I work primarily in Flutter and Kotlin, crafting clean, maintainable architectures and smooth user experiences that hold up in real-world usage. Here’s what I bring to your project: • Scalable mobile architecture (MVVM, Clean Architecture) • High-performance Flutter & native Android (Kotlin) apps • REST/GraphQL API integration & complex data flows • Real-time features (WebSockets, Firebase, push notifications) • Payment, maps, location, and 3rd-party SDK integrations • CI/CD, automated builds, Play Store/App Store releases • Leading remote teams & owning delivery end-to-end I don’t just code features — I help shape reliable mobile products. If you want someone who can translate ideas into polished, shipped apps (without hand-holding), let’s talk.
Ahsen S. has worked .
Matei G.
$15/hr
$500+ earned
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AVAILABLE NOW - I can start working on your Android app today I’m an Android developer with 3+ years of real-world experience building and maintaining native Android apps that are clean, stable, and easy to use. I work fast, communicate clearly, and take responsibility for the code I write. If something breaks, I fix it. If something can be done better, I’ll tell you. What I handle on Android projects ✅ Native Android app development – idea → UI → logic → testing ✅ Clean architecture – MVVM, readable and maintainable code ✅ Modern Android tools – Kotlin, Jetpack Compose, XML ✅ Bug fixes & app improvements – crashes, UI issues, performance problems ✅ API integration – REST APIs, Firebase, data handling What you can expect • Clear communication and regular updates • On-time delivery • Clean, reviewed code • No disappearing mid-project Tech I use daily Kotlin • Java • Jetpack Compose • XML • MVVM • Android SDK • Firebase • REST APIs • Git If you need a developer who gets the job done without overcomplicating things, I’m ready to help. Send me a message and let’s talk about your Android app.
Matei G. has worked .
$5/hr
84% Job Success
$1K+ earned
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Senior Android Engineer with 9+ years of experience building, scaling, and maintaining high-quality Android applications used by thousands to millions of users worldwide. I help startups, businesses, and product teams develop Android apps that are reliable, scalable, and built for long-term growth. Whether you need a new application, help modernizing an existing codebase, performance improvements, AI-powered features, or urgent production fixes, I can jump in and deliver results quickly. Over the years, I have worked on large-scale production applications across media streaming, audio technology, advertising monetization, analytics, subscriptions, and real-time user experiences. My experience spans the entire Android development lifecycle—from architecture and implementation to CI/CD automation, release management, and ongoing maintenance. What I Can Help You With ✅ Native Android Development (Kotlin & Java) ✅ Jetpack Compose & Modern Android Architecture ✅ MVVM, Clean Architecture & Modularization ✅ Bug Fixing, Crash Resolution & Technical Debt Reduction ✅ Legacy App Modernization ✅ REST API & WebSocket Integration ✅ Media Streaming Apps (ExoPlayer, Audio, Video & DRM) ✅ AI-Powered Features & LLM Integrations ✅ Firebase & Real-Time Data Synchronization ✅ Room Database & Offline-First Applications ✅ Google Play Billing & Subscription Systems ✅ Push Notifications (FCM) ✅ Ad Monetization (AdMob, Appodeal, Meta, Instreamatic & More) ✅ CI/CD Automation (GitLab CI, GitHub Actions & Fastlane) ✅ Google Play Store Deployment & Release Management Why Clients Work With Me ✔ 9+ years of professional Android development experience ✔ Strong experience working on production applications with large user bases ✔ Fast onboarding into existing codebases ✔ Clean, maintainable, and scalable code ✔ Clear communication and proactive problem-solving ✔ Reliable delivery and long-term support I don't just build features—I help businesses create better mobile products by improving stability, performance, user experience, and maintainability. If you're looking for a senior Android engineer who can contribute immediately and take ownership of technical challenges, I'd be happy to discuss your project.
Muhammad Rizky A. has worked .
Manish P.
$22/hr
100% Job Success
$60K+ earned
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I have 18+ years of professional experience in Mobile App Development. I have successfully executed numerous projects globally with different clients in various countries. As a Developer, I strongly appreciate optimum, clean, well-structured & communicative code. I have extensive experience in following technology & Skills. - Flutter / Dart - Android / Kotlin - Firebase / MySql / SQLite - MobX / BLOC state management - Google maps - Google, Facebook, Email, Twitter, Github, Phone, Apple authentications - Crashlytics, Google Analytics, Admob, Push notifications - Custom widgets and complex animations - In-App purchase, Stripe - Figma, Sketch, Adobe XD resource extraction - BDD, TDD Thanks a million for viewing my profile.
Concetto Labs
Associated with
Concetto Labs
$200K+
earned
Rizwan R.
$14/hr
100% Job Success
$5K+ earned
Offers consultations
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Motivated Native Android Application Developer having 6+ years of experience in building Android application, having the ability to develop professional, innovative applications. I want to contribute to the success of my clients. I would love to get involved as a complete Android app developer and help my clients with innovative and creative strategies. I've developed a wide range of Android applications based on client-server projects to hardware integration. Here are my main strengths: ► Kotlin ► JAVA ► IDE (Android STUDIO & Eclipse ) ► Facebook, Twitter, Google ► Google Map API ► Rx Java, Live Data ► MVVM ► Network Calling ► Material Design ► Firebase ► Database (SQLite/Room/Realm) ► Third Party Integrations ► Git Please free to contact, I’m looking forward to helping you create the next great app
Rizwan R. has worked .
$15/hr
$300+ earned
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🚀↗️ Rising Talent Android & Jetpack Compose Developer. Nowadays, any modern idea can be transformed into an app to help humanity solve problems. I am a Mobile App Developer with extensive experience in mobile application development, idea analysis, systems, business methodologies, time management, UI/UX design, and problem-solving. My work ranges from idea analysis and wireframe design to building complex apps using the best technologies to ensure top performance and an exceptional user experience. I pay great attention to every detail in every app I work on to ensure high-quality results. 💬 Why work with me? ✔ I deliver clean, maintainable, and scalable code ✔ I communicate clearly and consistently ✔ I care about the user experience as much as performance ✔ I respect deadlines and adapt quickly to feedback Technical Skills: ✔ Android Development using Kotlin and Jetpack Compose ✔ Cross-platform development with Kotlin & Compose Multiplatform (KMP) ✔ Android Development using XML and Jetpack Compose ✔ Material Design for modern and intuitive UIs ✔ API Integration using Ktor, Retrofit, Volley ✔ Google APIs: Google Maps, Location Services, Google Sign-In ✔ Firebase: Authentication, Firestore, Cloud Storage, Realtime Database, Push Notifications ✔ SQLite & Local Storage for efficient data management ✔ Push Notifications integration ✔ Modern Libraries: Lottie, Glide, Coil, Intuit, and more ✔ Version Control with Git & GitHub Tools I Use: 🛠 Android Studio, Axure, Balsamiq, Adobe XD, Postman I am always committed to providing the best performance and user experience in every app I develop. 💡 If you need consultation or development for a new app idea or an update for your existing app, feel free to contact me!