Top Rated AI SaaS & Mobile App Developer with 7+ years of experience building scalable SaaS platforms, AI-powered applications, backend systems, and mobile apps for startups and growing businesses. I mainly work with founders and businesses that need more than just a developer. A big part of my work involves improving existing systems, reducing technical debt, scaling backend architecture, integrating AI workflows, and helping teams ship features faster without compromising code quality. I specialize in: • AI SaaS Platforms • Web & Mobile App Development • AI Integrations & Automation • SaaS Dashboards & Admin Panels • Existing Codebase Optimization • AWS Serverless Applications • Real-Time Systems & WebSockets • MVP Development & Product Scaling Tech Stack: • Next.js, React.js, React Native • Node.js, NestJS, Express.js • Laravel, PHP • MongoDB, MySQL, PostgreSQL • AWS Lambda, API Gateway, S3 • REST APIs, WebSockets, OAuth, JWT • Stripe Subscription Systems • OpenAI, ChatGPT API, AI Workflows I’ve worked on SaaS dashboards, AI-assisted workflows, real-time systems, subscription platforms, chat systems, scalable backend architectures, and long-term production applications. I also regularly help clients with bug fixing, backend cleanup, authentication systems, API integrations, and performance optimization for existing applications. My focus is always on building stable, scalable, and maintainable systems that support long-term business growth instead of short-term quick fixes. I also use modern AI-assisted development tools like Cursor, Claude Code, and Copilot to improve development speed while keeping the architecture clean and production-ready. Why clients work with me: • Top Rated Upwork freelancer • Clean and scalable architecture • Fast communication and reliable delivery • Long-term technical support • Business-focused problem solving • Production-ready development approach If you’re building an AI-enabled SaaS platform, scalable backend system, web application, or mobile app, feel free to reach out.

Do you have a Mobile app idea that’s stuck in planning, or an existing Android or iOS app facing bugs, slow performance, and missed deadlines? I help businesses turn ideas into high-performance, scalable mobile apps for Android and iOS, with clean architecture and long-term reliability. A professional mobile app developer with over 7 years of experience specializing in native Android apps (Kotlin/Java), native iOS apps (Swift), and cross-platform mobile apps (Flutter, Kotlin Multiplatform KMP). I don’t just write code, I build partnerships based on trust, clear communication, and a commitment to your success. My focus is on delivering clean, maintainable, and production-ready Android and iOS mobile applications that provide a flawless user experience. I build mobile apps that are: - • Fast and optimized for performance • Cleanly architected Android & iOS apps • Easy to maintain • Ready for production & scaling. My Skills: - - For Android apps: Kotlin/Java - For iOS apps: Swift, SwiftUI, UIKit - For Cross-platform mobile apps: Kotlin Multiplatform (KMP), Compose Multiplatform (CMP), Flutter (Dart) - For Backend Development: Java / Kotlin Spring Boot (mobile app APIs) Architecture & Quality: - - MVVM and Clean Architecture for Android apps and iOS apps - Modular, scalable mobile app codebases - Strong focus on mobile app performance & stability - Easy-to-maintain, well-documented code for long-term mobile app growth Tools I use: - Android Studio (Android apps), Xcode (iOS apps), IntelliJ, Visual Studio Code, Figma My Expertise Covers High-Quality Native Mobile App Design & Development, and also Flutter App Development: - - End-to-End mobile app development: From concept to launch on App Store & Google Play - Native Android Apps Development using Jetpack Compose or XML - Native iOS Apps Development using SwiftUI or UIKit - Cross-platform mobile apps using Kotlin Multiplatform (KMP) and Flutter (Android + iOS) - Flutter State management: Bloc, Provider, Riverpod, GetX - Custom UI/UX for Android apps and iOS apps - WebSockets for real-time mobile apps - Point of Sale (POS) mobile app development - Video upload, compression, metadata in mobile apps - Real-time chat UI, AI chat, messaging flows - Audio recording & upload for mobile apps - WebRTC for mobile communication apps - Offline support, caching, mobile app performance optimization - Firebase & Backend Skills - Firebase Firestore, Auth, Storage, Functions - Supabase / Postgres integrations - REST API integration + secure session handling - Scalable database design - Cloud services (Google Cloud, AWS, Azure) - Monetization: Admob ads, ads integration, payment gateways - In-app purchases (IAP) - Apple StoreKit for iOS apps - Google Play Billing - AdMob (banner, interstitial, rewarded ads) - ATT (App Tracking Transparency) for iOS apps - Subscription paywalls, free trials, usage limits - TestFlight setup + App Store / Play Store submission - UI/UX & App Redesign - UX/UI polish using Figma - App icon redesign - Catholic/spiritual/calming design themes - Consistent typography, spacing, and colors - Feature-ready scalable design systems - Custom Module Development - Reusable plug-and-play modules - Smooth UI/UX following existing style - Integration with APIs, Firebase, third-party SDKs - Bug-free delivery with documentation I provide: - - Excellent mobile app architecture skills - Experience integrating mobile apps with third-party SDKs and APIs - Strong understanding of Android Material & iOS Human Interface Guidelines - Full mobile app development lifecycle knowledge - Proven experience publishing Android apps and iOS apps What You Get When Working With Me: - Clean, production-ready Android & iOS mobile app architecture - Honest timelines & clear communication - Regular progress updates on your mobile app - Maintainable mobile app code - Fast message replies (10–20 minutes) - Support even after delivery, I don’t disappear If you have a mobile app idea, an existing Android or iOS app that needs improvement, or a mobile app problem that needs fixing, send me a message. #MobileAppDeveloper #AndroidApps #Kotlin #iOSApps #Swift #MobileApps #AndroidDeveloper #iOSDeveloper #FlutterDeveloper #KotlinDeveloper #SwiftDeveloper #KotlinMultiplatform #KMP #CrossPlatformMobileApps #HighPerformanceMobileApps #CleanArchitecture

Senior Android developer specializing in Kotlin, Jetpack Compose, Firebase, and scalable mobile app architecture. I build fast, stable, production-ready Android apps with clean code, smooth UI performance, and reliable backend integrations. I also help improve existing apps by fixing UI lag, API bottlenecks, poor state management, and architecture issues. My experience includes: • Firebase Authentication, Firestore, Realtime Database, FCM, Crashlytics • REST API integrations for Android apps • MVVM and Clean Architecture • Dependency Injection using Clean Architecture principles • Advanced Firebase integrations for scalable mobile apps • Performance optimization and scalable app structure I’ve worked on apps involving real-time systems, AI-powered features, educational platforms, and custom business tools. Whether you need a new MVP or improvements to an existing app, I focus on building maintainable apps that scale properly and deliver a smooth user experience. Feel free to reach out if you'd like to discuss your project requirements or technical approach.

If your app idea is stuck on paper or half-built and broken I can take it live. I'm Ayushi, a Senior Mobile App Developer with 8+ years building iOS, Android, and Flutter apps that actually get shipped to the App Store, on Google Play, and in the hands of real users. My focus is always the same: enterprise-quality code, reliable delivery, and communication that doesn't leave you guessing. 50+ apps delivered across fitness, edtech, SaaS, sports, healthcare, and e-commerce. 🔧 What I build: - iOS apps: Swift, SwiftUI (native, clean, App Store ready) - Android apps: Kotlin, Jetpack Compose - Cross-platform: Flutter/Dart for iOS + Android from one codebase - MVPs for startups that need to move fast and look polished - Full-feature apps with subscriptions, payments, user roles, and API integrations 📱 A few notable apps I’ve built and shipped: 1. Reveal Club: fitness + nutrition app with HealthKit, Stripe subscriptions, calorie tracking, meal plans (iOS & Android, live on both stores) 2. Sports Life Success: 4-role club management app with memberships, game certificates, coach/parent/player flows (iOS & Android, live) 3. TutumNet: mental health self-care app with goal tracking and support network (iOS, live) 4. iPromise: goal accountability app with SMS invites, guest flow and category management (Flutter, Android, live) 5. Thrive: tutor attendance and academic tracking app with time cards and progress reports (iOS, live) 6. Smart Routing: GPS navigation app for courier drivers handling 1000+ waypoints via Mapbox with CarPlay integration ⚙️ Tech stack: - Swift · SwiftUI · Kotlin · Dart · Flutter - Firebase · REST APIs · Alamofire · Retrofit · Stripe · RevenueCat - HealthKit · Mapbox · Push Notifications · Zendesk - MVVM · Clean Architecture · CI/CD · Git · Xcode · Android Studio 🏭 Industries I know well: - Fitness & wellness · Mental health · Sports management · EdTech - SaaS platforms · E-commerce · Logistics · On-demand services ✅ Why clients keep working with me: - I don't just write code I think about the product. I ask the right questions before building. - Clean, maintainable code that your next developer can actually read. - I use AI tools (ChatGPT, Cursor) to work faster but I review, test and own every line. - I work in organised processes Slack/Teams standups, Jira/Asana tracking, regular screen shares. - Realistic timelines. No ghost-acts. Direct communication when blockers come up. If you're a startup that needs a first version shipped fast, a business scaling an existing app, or a solo founder with a great idea send me a message and let's talk about your project. 📩 Message me with your app idea or job description.

🏆 𝗧𝗢𝗣 𝟭% 𝗨𝗣𝗪𝗢𝗥𝗞 𝗙𝗥𝗘𝗘𝗟𝗔𝗡𝗖𝗘𝗥 💰 $𝟭𝗠+ 𝗘𝗔𝗥𝗡𝗘𝗗 🤝 𝗛𝗘𝗟𝗣𝗘𝗗 𝗧𝗢 𝗥𝗔𝗜𝗦𝗘 $𝟱𝟬𝗠+ 𝗙𝗨𝗡𝗗𝗜𝗡𝗚 𝗙𝗢𝗥 𝗠𝗬 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 Most developers build apps, but I build products that get funded, scale fast, and generate real business results. If you want a technical partner who understands product, growth and scalability, you’re in the right place. 𝗠𝗬 𝗣𝗥𝗢𝗩𝗘𝗡 𝗧𝗥𝗔𝗖𝗞 𝗥𝗘𝗖𝗢𝗥𝗗 𝗙𝗢𝗥 𝗪𝗛𝗬 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 𝗖𝗛𝗢𝗢𝗦𝗘 𝗠𝗘 🏆 Top Rated Plus (Top 1%) on Upwork 💰 $1M+ earned | 25,000+ hours 📈 $50M+ raised by my clients 📲 10M+ Active users ⭐ 100% Job Success Score 🔁 90%+ repeat clients 🌍 500+ clients across US, Europe, Middle East & Globally I apply battle-tested systems that work, because it ensures every project I take on succeeds. 🎯𝗪𝗛𝗢 𝗜 𝗪𝗢𝗥𝗞 𝗪𝗜𝗧𝗛 I work with: - Startups & Clients that need to move fast without breaking things - Serious founders building scalable MVPs - Businesses upgrading outdated systems to modern architecture I add the most value when: - There is a clear intent to build something meaningful - Quality and long-term thinking are priorities 🧠 𝗪𝗛𝗔𝗧 𝗠𝗔𝗞𝗘𝗦 𝗠𝗘 𝗗𝗜𝗙𝗙𝗘𝗥𝗘𝗡𝗧 Most freelancers focus on features, but I focus on outcomes like: ✔ Will this product scale to 100K+ users? ✔ Will the architecture survive growth? ✔ Will this impress investors? ✔ Are we building the right MVP, not just a fast one? That’s why clients stay long-term. 🛠️ 𝗠𝗬 𝗖𝗢𝗥𝗘 𝗘𝗫𝗣𝗘𝗥𝗧𝗜𝗦𝗘 Mobile Apps - iOS (Swift, SwiftUI), Android (Kotlin) - Flutter, React Native (cross-platform at scale) Web Platforms - React.js, Next.js (high-performance frontend) - Node.js, Nest.js, Django, Laravel (robust backend systems) AI & Advanced Systems - AI-powered apps, chatbots, automation - GPT, Claude, Gemini integrations - RAG pipelines, vector databases, LLM-based products Architecture & Infrastructure - Scalable backend systems (startup → scale stage) - REST APIs, GraphQL, WebSockets - AWS, Docker, CI/CD Integrations - Payment Gateways Integration - AI Agent Integration - Real-time systems (WebRTC, Socket IO, Twilio, Agora) 🏗️ 𝗜𝗡𝗗𝗨𝗦𝗧𝗥𝗜𝗘𝗦 𝗜 𝗛𝗔𝗩𝗘 𝗗𝗘𝗟𝗜𝗩𝗘𝗥𝗘𝗗 𝗜𝗡 - FinTech, Healthcare, EdTech, Marketplaces, Social/Dating - E-commerce, Travel, Fitness, SaaS, AI Platforms, IoT 💬 𝗪𝗛𝗔𝗧 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 𝗦𝗔𝗬 𝗔𝗕𝗢𝗨𝗧 𝗠𝗘 ⭐ “The best freelancer/agency I’ve worked with.” ⭐ “Exceeded expectations in every way.” ⭐ “Reliable, skilled, and incredibly easy to work with.” ⭐ “Delivered exactly what we needed, no surprises.” (300+ verified testimonials available) ⚡ 𝗛𝗢𝗪 𝗜 𝗪𝗢𝗥𝗞 - Clear scope → Clean execution → Scalable delivery - No overpromising. No chaos. No shortcuts. - Transparent communication at every stage - Focus on long-term success, not just launch - I take limited projects per month to ensure every client gets full attention. 🎁 𝗪𝗛𝗔𝗧 𝗬𝗢𝗨 𝗚𝗘𝗧 - A strategic technical partner, not just a developer - Honest feedback (even if it saves you money) - Clean, scalable, production-ready code - A product built to grow, not rebuild later 📩 𝗟𝗘𝗧'𝗦 𝗧𝗔𝗟𝗞 If you’re serious about building a product that: - attracts users - secures funding - scales without breaking Then let’s talk. I offer a free consultation via direct message on Upwork, to review your idea, suggest the best approach, and give you real insights , no fluff. 👉 Click “Invite to Job” or “Message”

Top-Rated Plus Mobile App Development Expert (Top 10%) | 100% Job Success Score | Mobile App Design & Mobile App Development | iOS & Android Mobile App Development | Swift | Kotlin | React Native | Flutter | AI-Driven Mobile App Development | Cross-Platform Mobile App Development | 8+ Years of Experience I specialize in mobile app development, creating scalable, secure, and production-ready digital products that support business growth. My approach combines strong engineering practices, thoughtful product design, and architecture decisions focused on long-term scalability across both iOS and Android ecosystems. Beyond feature delivery, I prioritize performance optimization, reliability, and maintainable codebases that evolve with product needs. My expertise covers structured iOS mobile app development, including modern Apple ecosystem solutions powered by Swift, clean architecture principles, and high-performance engineering practices. I build scalable iOS applications using efficient workflows, optimized memory management, and production-grade Swift implementations aligned with Apple platform standards. Within Android mobile app development, I design and deliver scalable solutions across complex application environments using Kotlin and modern Android architecture patterns. My work emphasizes modular structure, stability, and long-term maintainability, ensuring applications remain adaptable as products grow. When rapid delivery or flexibility is required, I implement React Native mobile app development solutions designed for production environments. My cross-platform expertise includes hybrid application strategies, scalable cross-platform architecture, and integrations powered by React ecosystems such as React JS, React Redux, Node.js, and Firebase services. I also support projects built with Flutter mobile app development, leveraging Dart, Firebase integrations, and scalable CI/CD delivery pipelines when hybrid or cross-platform strategies align better with product goals. With strong backend awareness, I collaborate closely with engineering and product teams to connect mobile ecosystems with web platforms such as WordPress and Shopify, while supporting launch readiness and mobile growth strategies. Effective collaboration with designers and product stakeholders remains a critical part of successful mobile app development workflows. 5 star reviews! “Reliable mobile app development partner delivering stable releases - from MVP recovery to scalable production systems.” What I Bring: ✔️ 8+ years of experience delivering products through full mobile app development lifeccles, helping teams confidently move from concept to production. ✔️ Native expertise across enterprise-level iOS and Android mobile app development supported by strong architectural decision-making. ✔️ Cross-platform scalability using React Native and Flutter mobile app development ecosystems. ✔️ Advanced API integrations, Firebase workflows, authentication systems, analytics, payment gateways, and push notification infrastructure aligned with business objectives. ✔️ Product-focused collaboration mindset supporting designers, stakeholders, and engineering teams throughout development. 📱 Types of Mobile Applications I Build: • Taxi & Transportation Platforms • Booking and Scheduling Systems • Fitness & Health Applications • AI-Powered Mobile Products • Security-Focused iOS and Android Solutions • Social Media and Streaming Platforms including live streaming and video streaming ecosystems • Fintech & Payment Applications • E-commerce Ecosystems integrated with WordPress and Shopify • Business & SaaS Platforms • Wearables & IoT Solutions with watchOS, Apple Watch, WatchKit, and smart watch integrations • Delivery and Dating Applications Technologies & Skills I design scalable ecosystems combining native and cross-platform engineering approaches. Apple platform solutions rely on Swift, advanced iOS engineering practices, and optimized performance delivery. Android solutions are powered by Kotlin, modular architecture, and modern Android development standards. Cross-platform acceleration includes React Native mobile app development, hybrid architectures, and scalable mobile ecosystems supported by Flutter, Dart workflows, and production-ready delivery pipelines. My work in mobile app development also includes third-party integrations, backend coordination, wearable ecosystems such as Apple Watch and smart watch solutions, and long-term product evolution strategies. 📩 Let’s connect and build something impactful together.

Ship cross-platform apps and SDKs with Kotlin Multiplatform & Compose that cut delivery time by ~40%, improve startup by up to 60%, and keep production at 99.9% uptime—without sacrificing native UX. Best for: - Startups wanting Android+iOS from one team/one codebase - Teams migrating to KMP/Compose - Products needing revenue-grade SDKs (ads, media, auth, payments) Results I’ve delivered: - +25% ad revenue via SDK optimizations (AdBlend) - 40–60% faster loads and lower API latency (WavFlow) - <2% crash rate and 40% faster cold start on production Android apps - Operated at 99.9% uptime in live environments Selected work: - Magnate — real-time messaging (KMP, end-to-end encryption) - AdBlend SDK — banner/interstitial/rewarded/native; automated mediation; +25% revenue - Gear VPN — secure, fast, global VPN (KMP + native shells) - WavFlow — music streaming; AI recs; 60% startup improvement How I work: 1. Architecture: Clean Architecture, MVVM, SOLID 2. Android: Jetpack Compose, Play compliance, performance profiling 3. iOS: SwiftUI shells over shared KMP modules for native feel 4. Backend/infra: Ktor, Firebase/Supabase, MongoDB, WebSockets, CI/CD 5. Compliance & quality: PCI DSS awareness, automated tests, release checklists Open-source & community: Lead KMP at Magnate (Dublin). Community Lead for Koin (Kotzilla). Maintainer: MediaPlayer-KMP, Alert-KMP, Flexi Store KMP. Contributor: LibreTube (10k+ stars). What you’ll get: - Clear roadmap and weekly milestones - Measurable performance targets (startup time, crash-free users, revenue KPIs) - Post-release support with docs and handover Next step: Share your goals (feature list, deadline, KPIs). I’ll respond with a mini plan + timeline options tailored to Android-only, iOS-only, or KMP both. Tech Stack: Kotlin Multiplatform, Compose Multiplatform, Android Native, iOS Native (Swift + SwiftUi), Desktop(MacOS, .MSI, linux).

I build Android apps that actually ship - not just prototypes. I have 8+ apps live on the Google Play Store right now, built with Kotlin, Jetpack Compose, MVVM, and Firebase/SQLite. One of my apps, Clozzy, is an AI-powered wardrobe & outfit planning app currently live on the Play Store - you can check it out and see real, working code in production, not just a portfolio screenshot. What I bring to your project: ✅ Full lifecycle: Figma wireframes → architecture → Play Store deployment ✅ Clean, modern architecture (MVVM, Coroutines/Flow, StateFlow) ✅ Real experience across medical, retail, and IT client apps ✅ Fast communication and daily updates My promise: if you're not satisfied with the first milestone, I'll revise it free or refund that milestone - no arguments. I'd rather earn a long-term client than take a one-time payment. Let's talk about what you're building.

A dedicated Software Developer with over twenty years of experience professionally deploying full-cycle solutions. My latest experience is developing complex, market-oriented Android applications, converting Swift code to Kotlin, and troubleshooting bugs in Android applications. With expertise in Android engineering, I will resolve your app development needs while achieving the results expected from a senior professional. I am reliable in working with minimal supervision and always conduct thorough research before reaching out with questions.

I build mobile apps for startups and businesses that need a reliable developer who can move fast, think like a product partner, and deliver clean, scalable results. I work with Flutter, React Native, Swift, Kotlin, Firebase, Supabase, REST APIs, AI integrations, payments, and App Store / Google Play deployment. I can help you: 🚀 Build an MVP from scratch 🔧 Improve or rebuild an existing app 🤖 Add AI features with OpenAI, LLMs, voice, vision, or automation 🔗 Connect APIs, databases, payments, and third-party services 🎨 Create smooth, modern, user-friendly mobile interfaces 📱 Launch your app on iOS and Android Clients work with me because I communicate clearly, send regular updates, think about the product, and write clean code that is easy to maintain. If you need someone who can turn your idea into a real app, send me a message. I’ll help you define the best approach and start building.