Hire the Best Kotlin Developers
in Pakistan

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Rating is 4.9 out of 5.
4.9/5
Based on 1,352 client reviews
Muhammad A.

Fort Abbas, Pakistan

$20/hr
5.0
99 jobs

๐—ช๐—ต๐—ผ ๐—œ ๐—ฎ๐—บ I'm Muhammad Ahsan, a Top Rated Senior Android Developer with 8+ years of experience building mobile applications for startups and businesses worldwide. I specialize in Native Android development with Kotlin and Jetpack Compose, Cross Platform development with React Native, and AI powered mobile applications. โœ… Build production ready Native Android apps using Kotlin and Jetpack Compose โœ… Develop cross platform iOS and Android apps using React Native with a shared codebase โœ… Modernize legacy Android applications from Java and XML to Kotlin and Jetpack Compose โœ… Integrate AI features including chatbots, LLM assistants, image generation, text processing, voice features, and intelligent automation โœ… Improve existing Android and React Native apps with clean, maintainable, and scalable code ๐—ง๐—ผ๐—ฝ ๐—ฅ๐—ฎ๐˜๐—ฒ๐—ฑ โ€ข ๐Ÿฑ.๐Ÿฌโ˜… (๐Ÿฐ๐Ÿฒ ๐—ฟ๐—ฒ๐˜ƒ๐—ถ๐—ฒ๐˜„๐˜€) โ€ข ๐Ÿต๐Ÿฌ+ ๐—ฝ๐—ฟ๐—ผ๐—ท๐—ฒ๐—ฐ๐˜๐˜€ โ€ข ๐Ÿญ,๐Ÿญ๐Ÿฑ๐Ÿฌ+ ๐—ต๐—ผ๐˜‚๐—ฟ๐˜€ ๐—ผ๐—ป ๐—จ๐—ฝ๐˜„๐—ผ๐—ฟ๐—ธ Over the years, I've developed a wide range of applications including AI powered chat apps, education platforms, fintech products, sports apps, productivity tools, utilities, and e-commerce applications. Every project is built with clean architecture, maintainable code, and a strong focus on user experience. ๐—ช๐—ต๐—ฎ๐˜ ๐—œ ๐—ฐ๐—ฎ๐—ป ๐—ต๐—ฒ๐—น๐—ฝ ๐˜†๐—ผ๐˜‚ ๐˜„๐—ถ๐˜๐—ต โœ… Mobile App Development - Native Android using Kotlin, Java, and Jetpack Compose - Cross Platform development using React Native and Expo - Pixel-perfect UI implementation with smooth performance - Custom animations, transitions, and polished user experience - Code refactoring and architecture improvements โœ… Backend & Infrastructure - Firebase, Supabase, PostgreSQL, MySQL - AWS & Google Cloud (GCP) - Scalable backend architecture and API design โœ… Monetization & Payments - Monetization with ad networks like AdMob, Unity, FAN, AppLovin - In-App Purchases & Subscription Systems - Integration with RevenueCat, Superwall, Adapty - Stripe payment integrations (one-time & recurring) - Paywall optimization, pricing strategy & lifecycle handling โœ… Analytics & Growth - Mixpanel, Firebase Analytics, AppsFlyer, Branch - Funnel tracking, conversion optimization & retention strategy - A/B testing and data-driven product decisions โœ… AI & Advanced Features - AI integrations, chatbots & LLM-powered experiences - Voice-based features & real-time interactions - Integration with Gemini APIs & OpenAI APIs - ML-based personalization & automation โœ… Deployment & Scaling - App Store & Play Store publishing (compliance-ready) - CI/CD pipelines and automated deployments - Performance optimization & scalability planning - Long-term maintenance, updates & feature scaling ๐—ง๐˜†๐—ฝ๐—ฒ๐˜€ ๐—ผ๐—ณ ๐—ฎ๐—ฝ๐—ฝ๐˜€ ๐—œ ๐—ฏ๐˜‚๐—ถ๐—น๐—ฑ โ€ข AI Applications โ€ข Fintech โ€ข E-Commerce โ€ข Education โ€ข Healthcare โ€ข Sports โ€ข Chat and Messaging โ€ข Productivity โ€ข Business Applications โ€ข Utility Apps ๐—ช๐—ต๐—ฎ๐˜ ๐˜†๐—ผ๐˜‚ ๐—ด๐—ฒ๐˜ ๐˜„๐—ผ๐—ฟ๐—ธ๐—ถ๐—ป๐—ด ๐˜„๐—ถ๐˜๐—ต ๐—บ๐—ฒ โœ” Clean, modular, testable code that stays easy to expand โœ” Clear communication with regular progress updates โœ” Reliable delivery with realistic timelines โœ” A focus on quality, performance, and user experience My expertise includes Kotlin, Java, React Native, Swift, SwiftUI, and MVP Development, building secure, scalable, and high-performance mobile applications with clean UI/UX and robust architecture. I provide end-to-end Mobile App Development services, including Firebase Integration, REST API Integration, User Authentication, Push Notifications, In-App Purchases, Payment Gateway Integration, Stripe Integration, Google Maps API Integration, Real-Time Chat, App Deployment, Mobile App Performance Optimization, and long-term maintenance to deliver production-ready Android, iPhone, and iPad applications. If you're looking for a reliable Mobile App Developer who can take your idea from concept to a polished product, I'd be happy to discuss your project. I look forward to working with you. Warm regards, Muhammad Ahsan -------------------------------------------------- Senior Android App Developer, Android App Development, Kotlin Developer, Java, Jetpack Compose, React Native Developer, Cross-Platform App Development, Mobile App Development, Mobile App Developer, iOS App Development, MVVM, Clean Architecture, REST API Integration, Retrofit, Firebase, Firestore, Room Database, Push Notifications, FCM, User Authentication, Google Play Deployment, App Store Deployment, In-App Purchases, Payment Gateway Integration, Stripe, PayPal, Google Pay, Google Maps API, Real-Time Chat, Third-Party SDK Integration, AI Chat App, ChatGPT API Integration, Fintech App, Payment App, E-Commerce App, Education App, Sports App, Chat App, Productivity App

  • Kotlin
  • Android
  • Firebase
  • Smartwatch
  • Android App Development
  • Retrofit
  • React Native
  • iOS
  • iOS Development
  • Swift
  • SwiftUI
  • Mobile App Development
  • Mobile App Bug Fix
  • AI Mobile App Development
  • Website to Mobile App Conversion
  • Mobile App Improvement
  • Mobile App Redesign
  • Mobile App Development Consultation
  • Native App Development
  • Monetization
Shahzad M.

Islamabad, Pakistan

$15/hr
4.3
24 jobs

๐Ÿš€ Top Rated Android Developer | 100% Job Success | 5+ Years I build production ready Android apps that startups and businesses actually ship. As an Android Developer specializing in Kotlin and Jetpack Compose, I create scalable, maintainable applications using Clean Architecture and MVVM. I leverage AI assisted tools including Claude, Cursor, ChatGPT, and Gemini to accelerate research, debugging, documentation, and development workflows, while every architecture, implementation, and technical decision is driven by my engineering expertise. I also have experience working with Flutter and Swift when projects require cross platform or iOS specific development. ๐Ÿ“ฑ What I've Built โœ” Fintech & payment applications (Stripe, Firebase) โœ” Hotel PMS & hospitality solutions โœ” Android TV & IPTV launchers โœ” SaaS mobile platforms โœ” POS systems for retail & restaurants โœ” AI-powered Android applications โœ” Kotlin Multiplatform (KMP) applications โœ” MVPs scaled into production-ready products ๐Ÿ›  Core Android Expertise โœ” Kotlin & Java โœ” Jetpack Compose, XML & Material Design 3 โœ” MVVM, Clean Architecture & Repository Pattern โœ” Coroutines, Flow, Hilt/Dagger & WorkManager โœ” Firebase, Retrofit, Room & DataStore โœ” REST APIs & third-party SDK integration โœ” Stripe & payment gateway integration โœ” Google Play Store publishing & optimization ๐ŸŒ Kotlin Multiplatform (KMP) Build Android and iOS applications faster by sharing business logic while preserving a fully native user experience on each platform. โœ” Shared business logic with native UI โœ” KMP architecture & best practices โœ” Firebase, Room & REST API integration ๐Ÿค– AI Development โœ” OpenAI API & Gemini API integration โœ” ML Kit & TensorFlow Lite โœ” AI powered chat, automation, image processing & intelligent features โœ” AI assisted development workflows using Claude, Cursor, ChatGPT & Gemini ๐ŸŽฏ What You'll Get โœ” Clean, scalable, and maintainable code built for long term growth โœ” Clear communication and dependable delivery โœ” End-to-end support from planning and development to Play Store deployment and post launch maintenance โœ” A developer who takes ownership, solves problems proactively, and focuses on business outcomes, not just writing code. Whether you need a new Android application, want to modernize an existing product, build an AI powered mobile experience, or launch a Kotlin Multiplatform app, I'd be happy to discuss your project and recommend the right technical approach. Core Keywords: Android Developer โ€ข Kotlin Developer โ€ข Jetpack Compose โ€ข Kotlin Multiplatform (KMP) โ€ข Android SDK โ€ข MVVM โ€ข Clean Architecture โ€ข Firebase โ€ข REST APIs โ€ข Android TV โ€ข AI Integration โ€ข OpenAI API โ€ข Gemini API โ€ข Fintech Apps โ€ข SaaS Apps โ€ข POS Systems

  • Kotlin
  • Android
  • Firebase
  • Java
  • Mobile App Development
  • Android App
  • Android Studio
  • Android SDK
  • Android App Development
  • App Development
  • In-App Purchases
  • Flutter
  • iOS
  • iOS Development
  • Swift
  • AI App Development
  • AI Mobile App Development
  • Mobile App
  • Mobile App Design
  • Mobile App Bug Fix
Inam Ullah K.

Dera Ismail Khan, Pakistan

$15/hr
5.0
5 jobs

๐Ÿš€ Looking for a Native Android Developer who can build, improve, or scale your Android app? I'm Inam Ullah Khan, a Native Android Developer with 3+ years of experience building production-ready Android applications. With a 100% Job Success Score and 5-star client feedback, I help startups and businesses transform ideas into fast, scalable, and user-friendly mobile apps. I specialize in AI-powered apps, E-commerce, Healthcare & Fitness, SaaS, and custom business applications using modern Android technologies. Whether you're launching a new product, upgrading an existing app, integrating Firebase, or preparing for Google Play Store release, I focus on delivering clean architecture, excellent performance, and long-term maintainability. ๐Ÿš€ Core Android Development Services ๐Ÿ“ฑ Native Android App Development ๐Ÿ”น Native Android Development with Kotlin & Java ๐Ÿ”น Android SDK, Jetpack Compose & XML UI ๐Ÿ”น Responsive interfaces for phones and tablets ๐Ÿ”น MVVM & Clean Architecture ๐Ÿ”น Material Design 3 ๐Ÿ”น Coroutines, Flow & LiveData ๐Ÿ”น Custom UI, animations, and smooth user experiences ๐Ÿ”น Android Studio & Git-based development ๐Ÿ”ฅ Backend & API Integration ๐Ÿ”น REST API & GraphQL Integration ๐Ÿ”น Firebase Authentication ๐Ÿ”น Firebase Firestore & Realtime Database ๐Ÿ”น Push Notifications (Firebase Cloud Messaging) ๐Ÿ”น Google Sign-In & Social Authentication ๐Ÿ”น Payment Gateway Integration ๐Ÿ”น Offline data synchronization & caching ๐Ÿค– AI Mobile App Development ๐Ÿ”น OpenAI API Integration ๐Ÿ”น AI Chatbots & Virtual Assistants ๐Ÿ”น Prompt Engineering ๐Ÿ”น AI-powered recommendations and smart features ๐Ÿ“ Maps & Real-Time Features ๐Ÿ”น Google Maps SDK ๐Ÿ”น GPS Tracking ๐Ÿ”น Live Location ๐Ÿ”น Route Navigation ๐Ÿ”น Geofencing ๐Ÿ’พ Database & Networking ๐Ÿ”น Room Database ๐Ÿ”น SQLite ๐Ÿ”น Firebase Database ๐Ÿ”น Retrofit & OkHttp ๐Ÿ”น JSON Parsing ๐Ÿ”น Secure API Communication โšก Performance & Security ๐Ÿ”น Performance Optimization ๐Ÿ”น Memory Optimization ๐Ÿ”น Crash Fixing & Debugging ๐Ÿ”น Secure Authentication ๐Ÿ”น Data Encryption ๐Ÿ”น ProGuard / R8 Code Obfuscation ๐Ÿ”น Google Play Store Release Optimization ๐Ÿ›  Tech Stack Languages Kotlin Java Frameworks & Libraries Android SDK Jetpack Compose Android Jetpack Coroutines Flow Hilt Backend & Database Firebase Retrofit OkHttp Room Database SQLite GraphQL Tools Android Studio Git GitHub Postman โญ Why Clients Choose Me โœ” 100% Job Success Score โœ” Production-ready Android applications โœ” Clean, scalable, and maintainable code โœ” Fast & transparent communication โœ” Daily progress updates โœ” On-time delivery โœ” Long-term support after launch โœ” Focus on performance, reliability, and user experience ๐Ÿ“ฉ Let's Build Your Android App Whether you need a brand-new Android application, AI integration, Firebase backend, API integration, bug fixing, performance optimization, or Google Play Store deployment, I'm ready to help. Send me a message with your project idea, and I'll provide a clear technical plan to turn it into a high-quality Android application.

  • Kotlin
  • Android App Development
  • App Development
  • Mobile App Development
  • Firebase
  • REST API
  • Git
  • Java
  • AI App Development
  • Android SDK
  • Prompt Engineering
  • Android Studio
  • API Integration
  • CI/CD
  • Coroutine
  • Mobile App Design
  • Google Ads
  • Google Maps
  • GitHub
  • Claude
Mubbashir A.

Rawalpindi, Pakistan

$25/hr
5.0
26 jobs

๐Ÿฒ+ ๐˜๐ž๐š๐ซ๐ฌ ๐จ๐Ÿ ๐„๐ฑ๐ฉ๐ž๐ซ๐ข๐ž๐ง๐œ๐ž ๐Ÿ‘” | ๐Ÿฑ๐Ÿฌ+ ๐€๐ฉ๐ฉ๐ฅ๐ข๐œ๐š๐ญ๐ข๐จ๐ง๐ฌ ๐ฐ๐ข๐ญ๐ก ๐Ÿญ๐Ÿฌ๐Ÿฌ๐— + ๐๐จ๐ฐ๐ง๐ฅ๐จ๐š๐๐ฌ ๐Ÿ“ฑ | ๐Ÿ๐ŸŽ๐ŸŽ% ๐‰๐จ๐› ๐’๐ฎ๐œ๐œ๐ž๐ฌ๐ฌ ๐Ÿ† | ๐†๐จ๐จ๐ ๐ฅ๐ž & ๐€๐–๐’ ๐‚๐ž๐ซ๐ญ๐ข๐Ÿ๐ข๐ž๐ ๐ŸŽ“ | ๐—ง๐—ผ๐—ฝ ๐—ฅ๐—ฎ๐˜๐—ฒ๐—ฑ ๐Ÿฅ‡ ๐ŸŒŸ With over 7 billion mobile users globally, apps account for 90% of mobile time spent. The App Store and Play Store combined house over 6 million apps, making high-quality development crucial to stand out. I specialize in creating high-performing, native and cross-platform mobile apps with stunning UI/UX and scalable functionality to help your business bloom in todayโ€™s competitive mobile-first world. Having over 5 years of experience as a Mobile App Developer, Iโ€™m not just building apps; Iโ€™m creating immersive experiences that ignite passion and engagement. Armed with Java and Kotlin, I create native apps whose performance speaks for it. Jetpack Compose is my canvas, where I create complex UIs with functionality to deliver interfaces that pop. Meanwhile, Flutter & Flutter Flow allows me to create stunning cross-platform apps that defy expectations. I thrive on pushing boundaries and turning visionary ideas into reality. ๐Ÿ’ผ ๐Œ๐ฒ ๐’๐ค๐ข๐ฅ๐ฅ๐ฌ๐ž๐ญ: โœ” Java, Kotlin, Jetpack Compose, Flutter, Flutter Flow & React Native for Mobile Apps. โœ” RESTful & GraphQL APIs Integration. โœ” Integrating AI/ML to your apps for providing intelligence to your apps. โœ” Integrating cloud services (e.g. Firebase, Supabase, Azure, AWS) for backend support, real-time databases and authentication โœ” Developing decentralized applications (dApps) and integrating blockchain technologies for secure transactions and data integrity โœ” Connecting and managing IoT devices, enabling seamless communication and data exchange between mobile apps and smart devices. โœ” Advanced techniques for profiling and enhancing app performance, including memory management and reducing load times. โœ” Knowledge of best practices in securing mobile applications against vulnerabilities and data breaches. โœ” Experience with tools like Jenkins, GitHub Actions, and Bitrise to automate testing and deployment processes ๐ฟ๐‘’๐‘กโ€™๐‘  ๐‘๐‘œ๐‘›๐‘›๐‘’๐‘๐‘ก ๐‘Ž๐‘›๐‘‘ ๐‘’๐‘ฅ๐‘๐‘™๐‘œ๐‘Ÿ๐‘’ โ„Ž๐‘œ๐‘ค ๐ผ ๐‘๐‘Ž๐‘› ๐‘๐‘Ÿ๐‘–๐‘›๐‘” ๐‘ฆ๐‘œ๐‘ข๐‘Ÿ ๐‘š๐‘œ๐‘๐‘–๐‘™๐‘’ ๐‘Ž๐‘๐‘ ๐‘–๐‘‘๐‘’๐‘Ž๐‘  ๐‘ก๐‘œ ๐‘™๐‘–๐‘“๐‘’! ๐‘Šโ„Ž๐‘’๐‘กโ„Ž๐‘’๐‘Ÿ ๐‘ฆ๐‘œ๐‘ข'๐‘Ÿ๐‘’ ๐‘™๐‘œ๐‘œ๐‘˜๐‘–๐‘›๐‘” ๐‘ก๐‘œ ๐‘๐‘ข๐‘–๐‘™๐‘‘ ๐‘Ž ๐‘๐‘Ÿ๐‘Ž๐‘›๐‘‘-๐‘›๐‘’๐‘ค ๐‘Ž๐‘๐‘, ๐‘œ๐‘๐‘ก๐‘–๐‘š๐‘–๐‘ง๐‘’ ๐‘Ž๐‘› ๐‘’๐‘ฅ๐‘–๐‘ ๐‘ก๐‘–๐‘›๐‘” ๐‘œ๐‘›๐‘’, ๐‘œ๐‘Ÿ ๐‘–๐‘›๐‘ก๐‘’๐‘”๐‘Ÿ๐‘Ž๐‘ก๐‘’ ๐‘๐‘ข๐‘ก๐‘ก๐‘–๐‘›๐‘”-๐‘’๐‘‘๐‘”๐‘’ ๐‘ก๐‘’๐‘โ„Ž๐‘›๐‘œ๐‘™๐‘œ๐‘”๐‘–๐‘’๐‘ , ๐ผ'๐‘š โ„Ž๐‘’๐‘Ÿ๐‘’ ๐‘ก๐‘œ โ„Ž๐‘’๐‘™๐‘. ๐Œ๐ฒ ๐—ง๐—ฎ๐—ด๐˜€ : ๐Œ๐จ๐›๐ข๐ฅ๐ž ๐€๐ฉ๐ฉ ๐ƒ๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ฆ๐ž๐ง๐ญ | ๐Œ๐จ๐›๐ข๐ฅ๐ž ๐€๐ฉ๐ฉ ๐ƒ๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ž๐ซ | ๐Œ๐จ๐›๐ข๐ฅ๐ž ๐ƒ๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ž๐ซ | ๐€๐ฉ๐ฉ ๐ƒ๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ž๐ซ | ๐…๐ฅ๐ฎ๐ญ๐ญ๐ž๐ซ | ๐‘๐ž๐š๐œ๐ญ ๐๐š๐ญ๐ข๐ฏ๐ž | ๐…๐ฅ๐ฎ๐ญ๐ญ๐ž๐ซ ๐€๐ฉ๐ฉ | ๐…๐ฅ๐ฎ๐ญ๐ญ๐ž๐ซ ๐ƒ๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ž๐ซ | ๐ƒ๐š๐ซ๐ญ | ๐…๐ฅ๐ฎ๐ญ๐ญ๐ž๐ซ ๐€๐ฉ๐ฉ ๐ƒ๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ž๐ซ | ๐‘๐ž๐š๐œ๐ญ ๐๐š๐ญ๐ข๐ฏ๐ž | ๐—ฅ๐—ฒ๐—ฎ๐—ฐ๐˜ ๐—ก๐—ฎ๐˜๐—ถ๐˜ƒ๐—ฒ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—ฒ๐—ฟ | ๐—ฅ๐—ฒ๐—ฎ๐—ฐ๐˜ ๐—ก๐—ฎ๐˜๐—ถ๐˜ƒ๐—ฒ ๐—”๐—ฝ๐—ฝ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—ฒ๐—ฟ | ๐Œ๐จ๐›๐ข๐ฅ๐ž ๐€๐ฉ๐ฉ ๐๐ฎ๐ข๐ฅ๐๐ž๐ซ | ๐Š๐จ๐ญ๐ฅ๐ข๐ง | ๐‰๐š๐ฏ๐š | ๐๐š๐ญ๐ข๐ฏ๐ž ๐€๐ง๐๐ซ๐จ๐ข๐ | ๐’๐ฐ๐ข๐Ÿ๐ญ | ๐Ž๐›๐ฃ๐ž๐œ๐ญ๐ข๐ฏ๐ž ๐‚ | ๐๐š๐ญ๐ข๐ฏ๐ž ๐ˆ๐Ž๐’ I ๐—œ๐—ข๐—ง | ๐…๐ข๐ซ๐ž๐›๐š๐ฌ๐ž | ๐—”๐—ช๐—ฆ | ๐—”๐˜‡๐˜‚๐—ฟ๐—ฒ | ๐—™๐—น๐˜‚๐˜๐˜๐—ฒ๐—ฟ๐—™๐—น๐—ผ๐˜„ | ๐—ถ๐—ข๐—ฆ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—ฒ๐—ฟ | ๐—”๐—ป๐—ฑ๐—ฟ๐—ผ๐—ถ๐—ฑ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—ฒ๐—ฟ | ๐—œ๐—ผ๐—ง ๐—”๐—ฝ๐—ฝ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—ฒ๐—ฟ | ๐—•๐—Ÿ๐—˜ ๐—”๐—ฝ๐—ฝ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—ฒ๐—ฟ | ๐—•๐—ผ๐—ผ๐—ธ๐—ถ๐—ป๐—ด ๐—”๐—ฝ๐—ฝ | ๐—ฆ๐—ผ๐—ฐ๐—ถ๐—ฎ๐—น ๐—”๐—ฝ๐—ฝ | ๐— ๐—ฎ๐—ฟ๐—ธ๐—ฒ๐˜๐—ฝ๐—น๐—ฎ๐—ฐ๐—ฒ ๐—”๐—ฝ๐—ฝ | ๐—ฆ๐˜๐—ฟ๐—ถ๐—ฝ๐—ฒ ๐—œ๐—ป๐˜๐—ฒ๐—ด๐—ฟ๐—ฎ๐˜๐—ถ๐—ผ๐—ป | ๐—™๐—ถ๐—ฟ๐—ฒ๐—ฏ๐—ฎ๐˜€๐—ฒ | ๐—ฆ๐˜‚๐—ฝ๐—ฎ๐—ฏ๐—ฎ๐˜€๐—ฒ | ๐—”๐—œ ๐— ๐—ผ๐—ฏ๐—ถ๐—น๐—ฒ ๐—”๐—ฝ๐—ฝ๐˜€ | ๐—ข๐—ฝ๐—ฒ๐—ป๐—”๐—œ | ๐—”๐—ช๐—ฆ | ๐—š๐—ผ๐—ผ๐—ด๐—น๐—ฒ ๐—–๐—น๐—ผ๐˜‚๐—ฑ | ๐—–๐—ต๐—ฎ๐˜๐—•๐—ผ๐˜

  • Kotlin
  • Native App Development
  • Android App Development
  • MySQL
  • Android
  • Firebase
  • Java
  • Mobile App Development
  • Android Studio
  • SQLite
  • Mobile App
  • Android App
  • Application
  • Android UI Design
  • Native App
Usman A.

Lahore, Pakistan

$25/hr
5.0
30 jobs

Profile Achievements:- โœ“ 100% Job Success Rate โœ“ Top Rated Profile โœ“ Over 7 years in Android + App Development โœ“ Cross Platform & Native App Development With 7 years of experience in mobile app development, I have gained strong expertise in developing high-performance native applications for iOS (Swift) and Android (Kotlin/Java). I develop scalable, and robust apps that meet businesses needs while ensuring optimal user experience. I've worked with startups and enterprise-grade solutions, delivering robust and future-proof applications. Key Expertise:- โœ… Native iOS Development (Swift, Objective-C) โœ… Native Android Development (Kotlin, Java) โœ… UI/UX Optimization (Custom components, animations, accessibility) โœ… Backend Integration (Firebase, REST APIs, GraphQL, AWS Lambda) โœ… Real-Time Features (WebSockets, push notifications, Firestore) โœ… Payment & E-Commerce Integration (Stripe, PayPal, Apple/Google Pay) โœ… App Security & Data Protection (OAuth, JWT, biometric authentication) โœ… App Performance Optimization (Lazy loading, caching, memory management) Big 2 Projects:- FinTech Banking App: (iOS & Android) - Developed for a leading financial institution, handling transactions for 500K+ users. - Integrated real-time payments, multi-layer authentication, AI-driven financial insights. - Achieved 99.9% uptime and 40% faster transaction processing. Health & Fitness Application: (Swift & Kotlin) - Built an AI-powered fitness tracking app with personalized workout recommendations. - Developed a custom motion tracking algorithm using device sensors (Gyroscope & Accelerometer). - Successfully scaled the app to 250K+ active users, driving engagement with gamification features. Development Approach & Workflow ๐Ÿ“Œ Agile Development: Sprint-based execution with CI/CD pipelines (Jenkins, GitHub Actions). ๐Ÿ“Œ UI/UX Design: Prototyping in Figma, Sketch, followed by performance tuning. ๐Ÿ“Œ API-First Development: Seamless backend connections with REST, GraphQL, Firebase. ๐Ÿ“Œ Automated Testing & Deployment: Unit/UI testing with XCUITest, Espresso, Firebase Test Lab. ๐Ÿ“Œ Post-Launch Support: Monitoring, updates, scalability improvements for future growth. Tech Stack & Tools: Technologies: Swift, Kotlin, Java, Firebase, GraphQL, REST APIs, AWS, Google Cloud. Dev Tools: Git, Bitbucket, Docker, Fastlane, Postman. Frameworks: Jetpack Compose, SwiftUI, Alamofire, Retrofit, RoomDB. Platforms: iOS, Android, App Store, Google Play, AWS, Azure. Let's connect for a quick exploratory chat to kickoff with your idea into mobile app! Keywords: Mobile App Developer, Android, iOS, React Native, Flutter, Kotlin, Swift, Dart, Cross-Platform Apps, Native Development, Firebase, Firestore, Realtime DB, Node.js, Express.js, REST API, GraphQL, OAuth, SQLite, MongoDB, Stripe, PayPal, Apple Pay, Google Pay, Git, GitHub, CI/CD, Google Play, App Store, Agile, Scrum, App Optimization, ASO, Crashlytics, BLE, Geolocation, AR, Video Streaming, WebSockets, Social API Integration, Google Cloud, AWS, Jetpack Compose, Hilt, Dagger, Coroutines, Room DB, MVVM, Clean Architecture, Unit Testing, SDK Integration.

  • Kotlin
  • Mobile App Development
  • React Native
  • iOS Development
  • iOS SDK
  • Swift
  • Android App Development
  • Android SDK
  • Hybrid App Development
  • AI Mobile App Development
  • Mobile App Redesign
  • Mobile App Bug Fix
  • App Development
  • Mobile App Design
  • Mobile UI Design
Bilal N.

Islamabad, Pakistan

$15/hr
4.9
13 jobs

๐ŸŒŸ About Me Hi there! Iโ€™m Bilal Nasir, a dedicated Android Developer (Kotlin + Java) with 5 years of hands-on experience in crafting high-quality mobile apps that are fast, stable, and built with care. Iโ€™m passionate about turning ideas into apps that users genuinely enjoy apps that look great, run smoothly, and perform flawlessly. Whether itโ€™s building something from scratch or enhancing an existing project, I bring a mix of creativity and strong technical expertise to the table. I focus on writing clean, modular, and scalable code following modern Android standards like MVVM, Hilt, and Jetpack Compose to ensure your app is future-proof. ๐Ÿ’ก What I Can Deliver โœ… Full Android App Development in Kotlin & Java โœ… Modern UI using Jetpack Compose and Material Design 3 โœ… Architecture patterns โ€“ MVVM, Clean Architecture, Repository Pattern โœ… API integration using Retrofit + Coroutines โœ… Offline storage with Room Database and DataStore โœ… Firebase services โ€“ Authentication, Push Notifications, Analytics, Firestore, etc. โœ… In-app billing and AdMob monetization setup โœ… AI and server integrations (RunPod, Flask, etc.) โœ… Play Store deployment, version control (Git), and long-term maintenance I make sure every project I take on is not just functional but polished, reliable, and optimized for performance and scalability. ๐Ÿ“ฑ Apps Iโ€™ve Built & Published Here are some of my published apps that have earned thousands of downloads and positive user feedback on the Play Store: ๐ŸŒŸ Photo Editor / Filter (1M+ Downloads) A powerful photo editing app with real-time filters, effects, and beautification tools designed for fast, offline image processing and a clean user experience. ๐ŸŒŸ Camera Scan - Languages Translator (1M+ Downloads) An all-in-one OCR and translation app that lets users scan text from images and instantly translate it into multiple languages with voice and speech support. ๐ŸŒŸ Flight Tracker - Flight Radar (500K+ Downloads) Live flight tracking app providing real-time flight status, route maps, and airport information using advance API integrations. ๐ŸŒŸ Maps & GPS App (1M+ Downloads) A navigation and location-tracking app that helps users find routes, track movement, and explore nearby places. ๐ŸŒŸ PDF Reader - All PDF Viewer (100K+ Downloads) Lightweight, fast, and elegant PDF viewer that allows users to open, browse, and manage documents with smooth performance. ๐ŸŒŸ AI Haircut (500+ Downloads) An AI-powered hairstyle transformation app that generates realistic haircut previews using user-uploaded photos. ๐ŸŒŸ Speed Cameras Detector (500K+ Downloads) A smart speed detection app that alerts drivers to nearby speed cameras and speed limits using GPS tracking and background services. ๐ŸŒŸ Qibla Compass - Muslim Prayers Alert (100K+ Downloads) An accurate Qibla direction and prayer time app with compass functionality, daily prayer notifications, and clean UI for Muslim users. Each app reflects my passion for delivering clean, functional, and user-centered mobile experiences. ๐Ÿš€ Why Clients Choose Me โœ… 5 years of proven Android development experience โœ… Strong understanding of app performance and clean architecture โœ… Smooth and open communication throughout every project โœ… Focused on delivering on time, every time โœ… Real-world results, published, monetized, and scalable apps Whether you need a complete Android app from scratch, backend integration, or app optimization, Iโ€™m here to build something powerful together.

  • Kotlin
  • Android App Development
  • Java
  • Room
  • Android SDK
  • Android Studio
  • Firebase
  • JetPack
  • Dependency Injection Framework
  • XML
  • Coroutine
  • Monetization
  • Retrofit
  • Software Design Pattern
  • Model View ViewModel

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