Hire the best Kotlin Developers in Sahiwal, PK
Check out Kotlin Developers in Sahiwal, PK with the skills you need for your next job.
- $25 hourly
- 5.0/5
- (50 jobs)
I am a mobile developer with experience of more than 7 years in native mobile application development in Android and iOS applications and 3 years in flutter hybrid. I have solid understanding of UI/UX design and implementing pixel perfect UI. I have also worked in spring boot and apollo server express for back end api with mongo db and mysql. I enjoy collaborating with teams and keeping the communication flowing on daily basis. I enjoy solving problems and understanding any possible outcomes that may arise. Development Specialities & Experience: ✔ Programming languages: Swift,SwiftUI, Objective-C, C++, Java, Kotlin, C# , Flutter,Javascript ✔ Web Service: XML, JSON, REST/SOAP ✔ Frameworks: Foundation, UIKit, RxSwift, CarPlay, AVFoundation, CoreData ✔ Database: CoreData, FireBase, SQLite, Realm ✔ Maps: MapKit, Google Maps, Yandex Maps, Skobbler, Open Street Map, Map clusterring ✔ Audio Video: AVAudioPlayer, AVPlayer, AudioKit, Mobile Video Player ✔ Development tools: Xcode, CocoaPods ✔ Source code management: Git, GitHub, Bitbucket ✔ Social networks integration: Facebook, Twitter, Google+ and Instagram ✔ Application beta testing: TestFlight, Fabric (Crashlytics) ✔ In App Purchase (Non-Consumable, Consumable, Subscribe) ✔ Push Notification (APNS, GCM, One Signal etc..) ✔ Architecture (MVC, MVVM, VIPER) ✔ Bar code scanner, QR Code scanner ✔ Database management (Sq-lite, Core Data) Looking forward to new challenges and interesting projects. Native iOS App Development | Native Android App Development | Flutter Cross-Platform App Development | Mac OS App Development | App Development | Phone | Firebase | UI/UX Design | Prototype | RESTful API | In-app purchases (Apple and Google) | Location | Paypal | Stripe | Payment Gateway Integration | Apple Xcode | Android Studio | Push notifications | User authentication | User profile creation | Phone | Android App | API Development | API Integration | Front End Development | Back End Development | iOS/Android | QA | Unit Testing | Regression Testing | Ecommerce App Development | Ride Booking App Development | 3rd Party SDK Integration | Realm Database |SQLite | MySQL | Firebase Cloud Firestore | Firebase Realtime Database | Kotlin | Java | Swift | Objective c | Dart | SwiftUI | Twilio API | Mapbox | HealthKit | Alamofire | Retrofit | Volley | Google Analytics | Butter Knife | Core Data | UIKit | MapKit | Google Map
Kotlin
SwiftUIMobile AppApple XcodeFlutterAndroid App DevelopmentFirebaseObjective-CMobile App DevelopmentSwiftNative App DevelopmentDartiOS DevelopmentAndroidJava - $50 hourly
- 5.0/5
- (2 jobs)
Struggling to find direction in the ever-changing landscape of mobile app development ? I'm here to steer you towards success, drawing upon a decade of industry knowledge and a commitment to pioneering advancements. 📱 What I Offer: ✅ Custom Android / IOS App Development ✅ Multi-User Mobile Apps ✅ GPS-Integrated Apps ✅ Health Service Solutions ✅ Education & Retail Apps ✅ Job Management Solutions ✅ Firebase and RestFull Api's Backend Integration 🚀 My Approach: I'm Sulaman Saeed, your potential Lead Android/iOS Developer. With diverse projects under my belt, trust me to bring your app dreams to life. 🔑 Why Me? Crafting standout projects with rave reviews. Post-project support, our relationship isn't just transactional. Expertise in Java, Kotlin, Swift & SwiftUI. Agile approach rooted in OOP & Functional programming. 💡 Specialties: Leading mobile development with Kotlin, Java, Swift. Cross-platform mastery with Flutter, React Native. Backend expertise with Firebase and RestFull Apis. Architectural excellence with MVVM, MVP, MVI, VIPER. Transparent updates and communication. Let's make your mobile marvel a reality! Reach out today, and together, let's explore how I can enhance your mobile app development endeavours.
Kotlin
IVR SoftwareFFmpegRESTful APIGoogle GsonRetrofitAndroid Room PersistenceAndroid SDKMobile App DevelopmentJavaGoogle Glass SDKGoogle Analytics APIAugmented RealityVirtual RealityAndroid App Development - $20 hourly
- 5.0/5
- (3 jobs)
💡 Expert Android Developer | Kotlin | Java | Jetpack Compose | Firebase | MVVM** 🚀 Looking for a highly skilled Android developer to build a robust, scalable, and visually stunning mobile application?** You've come to the right place! With **[6+] years of experience** in Android development, I specialize in crafting high-quality applications using **Kotlin, Java, Jetpack Compose, and XML**. My expertise spans across various industries, from e-commerce to social platforms, healthcare, and fintech. 🔹 **Core Skills & Technologies:** ✅ **Android Development:** Jetpack Compose, XML, Material Design 3 ✅ **Architecture Patterns:** MVVM, Clean Architecture ✅ **Networking & APIs:** Retrofit, FastAPI, Firebase Firestore ✅ **Database Management:** Room, SQLite, MongoDB, MySQL ✅ **Performance Optimization:** ExoPlayer, Glide, Coil ✅ **Third-Party Integrations:** Payment Gateways, In-App Purchases, Google Ads ✅ **CI/CD & Deployment:** Play Store Optimization, App Bundles, Firebase App Distribution ✅ **Version Control:** Git, GitHub, Bitbucket 💼 **Notable Projects:** 🔹 **Gold Bazar** – Multi-vendor gold-selling platform (now converting to second-hand materials) 🔹 **Rocco Video & Rocco Live** – Video-sharing and live-streaming apps 🔹 **Bakerz** – A seamless online bakery ordering system 🔹 **CUI Student Portal** – University portal for students 🔹 **Smart Salem** – Government-approved health service app in the UAE 🎯 **Why Hire Me?** ✔️ **Clean, Maintainable Code** – I write well-structured, reusable, and optimized code following Android best practices. ✔️ **End-to-End Development** – From idea validation to deployment and maintenance. ✔️ **User-Centric Approach** – Ensuring top-tier UI/UX with an intuitive user experience. ✔️ **Scalability & Performance** – Apps built to handle thousands of users with smooth performance. ✔️ **Dedicated Support** – I believe in long-term partnerships and always ensure client satisfaction. 🔗 **Let’s Build Something Great!** I am ready to take on your Android project and turn your vision into reality. Let's discuss your idea and bring it to life! 📩 **Message me now, and let’s get started!** Let me know if you'd like any modifications! 🚀
Kotlin
JavaAndroid App DevelopmentNative App DevelopmentMobile App RedesignMobile App Design - $25 hourly
- 5.0/5
- (9 jobs)
Hi there, I'm Maher Ali Ata, and I lead a team of versatile mobile app developers with over 7 years of experience. Whether you need a native or hybrid solution, we've got you covered. Our expertise spans across Android and iOS platforms, utilizing technologies such as Java, Kotlin, SwiftUI, Swift, and Flutter. We take pride in our ability to deliver high-quality mobile app solutions that exceed client expectations. Here's what you can expect when you choose to work with us: Comprehensive source codes crafted with the latest technologies, whether it's for native Android and iOS development or hybrid solutions using Flutter. Transparent communication and daily updates on the progress of your project. Strict adherence to project deadlines with complete time-tracking data. Well-documented and clear project documentation to ensure smooth project management. In addition to our standard offerings, we provide a Flexi Premium Package tailored to meet your specific needs. This package includes services such as App Design (Logo, Splash, Wireframes, UX Design), API Development + Documentation, Quality Analysis + Testing, and Project Management. Why choose us? Here's what sets us apart: We have a track record of successfully developing over 500 apps. Our team possesses strong technical skills and boasts over 7 years of experience in mobile app development. Client satisfaction is our top priority, and we go above and beyond to ensure your project's success. We are dedicated to delivering top-notch products that align with your business objectives. Our in-house team of UI/UX experts ensures visually appealing and user-friendly designs. Effective communication is at the core of our process, ensuring that your vision is realized every step of the way. If you're seeking a reliable, experienced, and professional team of mobile app developers, your search ends here. Get in touch with us today to discuss your project requirements, and let's bring your ideas to life.
Kotlin
RESTful APIMobile UI DesignAndroid SDKAndroid App DevelopmentJavaiOS DevelopmentObjective-CSwiftFirebase - $8 hourly
- 5.0/5
- (1 job)
I’m an Android Software Engineer having 4 years of experience. I am passionate about design patterns, algorithms, self learning, new technologies, and improving my technical and soft skills. I took part in many different projects (for business communities, social networks, e-commerce, and etc.) with different roles. I participated in all phases of the application development such as implementation, testing, integration with RESTful Services, communicating with other teams (backend - testing) and sometimes with clients as I feel happy when acting the team player role. Common libraries and tools which help me in developing process: Android Support Library, Firebase, Android Annotations, Jetpack Compose, Dagger2, Retrofit, Coroutines, Android, Flutter, Dart, Architecture Components and Java8.
Kotlin
RoomAndroid SDKRESTful APIGitJavaApp DevelopmentFirebaseMobile AppiOS DevelopmentAndroid AppFlutterFlowFlutterDartFull-Stack Development - $25 hourly
- 5.0/5
- (4 jobs)
Hi, I’m an expert and detail-oriented Flutter Developer and AI/UX Writer with over 4 years of experience building cross-platform mobile, web, and desktop applications. I’ve developed 35+ production-grade apps from scratch to deployment using Flutter and integrated them with Firebase, RESTful APIs, SQLite, and Supabase. My development approach is clean and scalable and follows MVVM architecture with strong state management practices. Whether it’s building smooth UIs, adding real-time chat, or integrating AI-powered features, I’ve got you covered. Alongside coding, I specialize in UX writing and app content creation—crafting clear, engaging microcopy, onboarding flows, and ASO-optimized descriptions that enhance user experience and help apps stand out in the store. ✅ My Tech Stack Includes: Languages & Frameworks: Dart, Flutter, PHP, Laravel Databases: Firebase, SQLite, Supabase Architecture & Patterns: MVVM, Responsive UI, Clean Code Tools: Git, VS Code, Android Studio, Figma, Postman Others: Deep Linking, Localization, Push Notifications, In-App Messaging, AI APIs Integration 💡 Services I Offer: Full-cycle Flutter App Development (iOS, Android, Web, Desktop) API Integration and Backend Connectivity (Firebase, REST APIs) UI/UX Optimization with responsive and adaptive design AI Feature Integration (Chatbots, Image Editing APIs, etc.) ASO-Optimized App Content & Landing Page Copywriting Custom tools and Flutter architecture generators (e.g., LayerX) 🧠 Highlight Projects: Rider App: Real-time ride tracking, chat, multilingual support Shaheen Autos: Offline shopping with SQLite & filters Customer Portal: Ticket management system for ERP Artist’s Marketplace: Firebase-auth app for sellers/buyers LayerX & SpeedMyCode: Code generation tools to accelerate dev 📝 AI & UX Writing: As a seasoned content writer for tech products, I specialize in crafting landing pages, in-app content, and SEO-optimized blogs. My content doesn't just inform—it converts and enhances user experience.
Kotlin
SEO WritingUX WritingCopywritingWeb DevelopmentAI Mobile App DevelopmentJavaLaravelSwiftAndroidiOS DevelopmentAndroid App DevelopmentNoSQL DatabaseDartFlutter - $15 hourly
- 5.0/5
- (2 jobs)
I am a senior Flutter developer with 4 years of experience specializing in fintech-based applications. My expertise spans cross-platform mobile development using Flutter and Dart, with a strong focus on clean architecture, ensuring maintainable and scalable solutions. My skills in integrating various services and tools make me a valuable asset in creating feature-rich, robust applications. 𝗟𝗼𝗼𝗸 𝗻𝗼 𝗳𝘂𝗿𝘁𝗵𝗲𝗿 𝗶𝗳 𝘆𝗼𝘂 𝘀𝗲𝗲𝗸 𝗮 𝗙𝗹𝘂𝘁𝘁𝗲𝗿 𝗲𝘅𝗽𝗲𝗿𝘁; 𝘆𝗼𝘂’𝘃𝗲 𝗳𝗼𝘂𝗻𝗱 𝘁𝗵𝗲 𝗿𝗶𝗴𝗵𝘁 𝗽𝗹𝗮𝗰𝗲! 🌟 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 & 𝗦𝗸𝗶𝗹𝗹𝘀 𝗢𝘃𝗲𝗿𝘃𝗶𝗲𝘄: - 🏦 4 Years of Experience in Developing Fintech-Based Apps - 📱 Experience in Developing Fintech, E-Commerce, and Social Apps - 📲 Proficient in Cross-Platform Mobile Development Using Flutter and Dart - 🏗️ Expertise in Implementing Clean Architecture for Maintainable and Scalable Applications - 🧪 Skilled in Writing Unit and Widget Tests to Ensure Code Quality and Reliability - 🗺️ Integrating Google Maps into Applications - 💳 Payment Gateways Integration: - HyperPay - Stripe - Checkout SDK - myFatoorah - 🔥 Firebase Services Integration - 📈 In-App Subscription Functionality Using RevenueCat - 🔔 Push Notification Services Using OneSignal
Kotlin
RESTful APIBlockchainExpressJSDartFlutterJavaFirebase Realtime DatabaseNode.jsFirebase Cloud FirestoreFirebaseiOSAndroid - $12 hourly
- 5.0/5
- (1 job)
I am pursuing a Bachelor's degree in Computer Science. I have been actively involved in the Microsoft Learn Student Ambassadors program since August 2023, where I share my knowledge and skills with fellow students and contribute to the community. I have also earned several certifications in web design and development, HTML for programmers, and copywriting for social media from LinkedIn. My passion for technology and learning drives me to continuously improve my skills and help others do the same.
Kotlin
SQLReactDjangoLaravelCloud EngineeringApp DevelopmentWeb DevelopmentDevOpsData ScienceC++Machine LearningPHPJavaPython - $50 hourly
- 0.0/5
- (0 jobs)
Experienced UI/UX designer with a passion for creating intuitive and visually appealing digital experiences. Proficient in translating user needs into engaging designs, I bring creativity and user-centricity to every project. With a solid foundation in web development, I ensure designs are not only aesthetically pleasing but also technically feasible. My expertise includes wireframing, prototyping, and front-end development, allowing me to seamlessly collaborate with developers and stakeholders to deliver exceptional results. Let's work together to elevate your digital presence and delight your users.
Kotlin
CV/Resume TranslationPhoto Color CorrectionPhoto ResizingMobile UI DesignUI AnimationUI GraphicsUI/UX PrototypingPhoto EditingUX & UI DesignWeb ApplicationFirebaseAndroid App Development - $8 hourly
- 5.0/5
- (8 jobs)
Senior Mobile Developer with over 5 years of experience specializing in IOS and native Android development in Flutter. Proven track record in building 25+ high-performance applications and contributing to successful startups like Elphatap, and Mahospitalityclub. Skilled in delivering scalable, user-friendly, and efficient mobile solutions that drive business growth GET A QUOTATION TODAY!
Kotlin
Push NotificationsSwiftUIDartAPI IntegrationFirebase Cloud FirestoreSocial Media Account IntegrationFlutterMobile App DevelopmentJavaiOS DevelopmentIn-App PurchasesFirebaseSwiftUser Authentication - $30 hourly
- 5.0/5
- (5 jobs)
I have extensive experience of modern cutting edge technology app development for mobile operating system. I'm cross platform app developer using flutter and I also have 2 years of experience in native App Development using swift for iOS,kotlin/ java for Android and c++/c# for desktop environment
Kotlin
FirebaseiOSAndroid App DevelopmentDesktop ApplicationAPIOpenCVDartC++C#CPythonPython AsyncioFlutterFlowFlutter - $11 hourly
- 0.0/5
- (0 jobs)
Expertise: Kotlin (Android), MERN Stack, Python, C/C++, Frontend (HTML/CSS/JS) Results-driven developer with a strong foundation in mobile (Android) and full-stack web development, combining technical proficiency with a passion for building scalable, user-centric applications. Adept at transforming complex requirements into efficient, maintainable code—delivering high-performance solutions for startups, NGOs, and innovative tech projects. Core Competencies Android Development: Kotlin, XML, Jetpack Components, RESTful APIs Web Development: MERN Stack (MongoDB, Express.js, React, Node.js), Responsive UI/UX Backend & Systems: Python, C/C++, Algorithm Optimization Frontend: Modern JavaScript (ES6+), CSS Frameworks, Cross-Browser Compatibility Key Project Highlights 🔹 Android Music Streaming App Developed a Spotify-like application with real-time playlist sharing, user profiles, and friend networking features. Leveraged Kotlin coroutines + Retrofit for seamless API integration and offline caching. 🔹 NGO Blood Donation Platform (MERN Stack) Built a full-stack web solution connecting donors with NGOs, featuring secure auth, geolocation, and live notifications. Optimized MongoDB queries for high-traffic performance. 🔹 Real-Time Chat Application Created a WebSocket-based chat system with friend requests, message history, and React frontend. 🔹 Movie Review Aggregator Designed a dynamic website for critics and users to rate/review films, with admin moderation tools. Why Work With Me? --> Clean Architecture: Emphasis on modular, testable code (MVVM, Clean Architecture). --> Problem-Solver: Strong background in algorithms (Python/C++) for optimized solutions. --> End-to-End Ownership: From UI/UX to deployment—I ensure projects meet business goals. Let’s build something exceptional. Contact me to discuss your project’s technical needs!
Kotlin
C++CPythonJavaMERN StackWeb DevelopmentAndroid App Development - $16 hourly
- 0.0/5
- (0 jobs)
🚀 I'm a Flutter & Firebase expert with solid experience delivering modern, scalable mobile apps — from pixel-perfect UIs to robust backend integrations. ✅ My recent work includes: • A Business Calculator app with 30+ financial tools for a fintech company — built with MVC architecture, SharedPreferences, and PDF/image export features. • “Learn with Sir Taqeer” — a fully functional educational app, live on the Play Store. • Multiple website-to-app conversions with WebView, file uploads/downloads, custom splash screens, and Play Store publishing. 💡 I specialize in: • Flutter + Firebase (Auth, Firestore, Realtime DB) • REST API integration, SQLite/SQL, SharedPreferences • Result sharing (PDF/Image export), offline data storage • MVC-based architecture & modular, reusable code • Scalable state management (GetX / Provider) • End-to-end app publishing (Play Store & Apple Store) 💬 I focus on writing clean, maintainable, and scalable code — following professional architecture to ensure long-term growth. Whether you're starting from scratch or need to scale, I’ll help bring your app to life with quality and precision. Let’s build something impactful together 🚀
Kotlin
Bug FixDatabase IntegrationResponsive DesignFirebase Realtime DatabaseFirebase Cloud FirestoreAPI IntegrationJavaDartFlutter Want to browse more freelancers?
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