Dhananjaya H.
Expert UI/UX | Hybrid Mobile (IOS/Android) & Web App Developer
Hi, I am Dhananjaya, expert Mobile App & Web App and UI/UX Developer with a strong commitment to delivering high-performance, visually appealing mobile applications. My technical proficiency spans across various platforms and technologies. I have specialized in developing robust mobile applications using both native and cross-platform technologies. My skill set includes expertise in Xamarin, Objective-C, Swift, Kotlin, Java, and Dart, with a deep understanding of frameworks such as Flutter and React Native. My approach is grounded in a modern development stack, ensuring top-notch quality and performance. 🌟 Achievements: - Top-Rated Developer: Earned recognition on multiple freelancing platforms for outstanding project delivery and client satisfaction. - Successful Projects: Successfully delivered 100+ mobile and web applications, enhancing user experience and functionality for diverse clients. - Performance Optimization: Achieved a 40% improvement in app performance through efficient code optimization and innovative problem-solving techniques. - UI/UX Enhancement: Led a UI/UX redesign project that increased user engagement by 60% through improved design and usability. 🛠️ Technology Stack: - *Native Android:* Proficient in Java, Kotlin, Android Studio, RxJava, with expertise in using Android Jetpack, AndroidX, Coroutines, LiveData, DataBinding, Room, and Dependency Injection (DI). - *Cross-Platform Development:* Advanced skills in Flutter/Dart for building high-quality cross-platform applications. - *Architectures:* MVVM, MVC, Jetpack Architecture - *APIs:* Google Maps API, In-App Billing, Facebook API, Twitter API, Instagram API, YouTube API - *AR & Location:* ARKit, SceneKit, CoreLocation, CoreMotion - *Testing:* UITesting, Unit Testing, Alamofire - *Databases:* MySQL, MongoDB - *Payment Integration:* PayPal, Stripe, Braintree - *React Native:* Expert in building cross-platform mobile apps with seamless performance and intuitive interfaces. - *JavaScript/TypeScript:* Advanced knowledge ensuring clean, maintainable, and efficient codebases. - *Backend Development:* Skilled in RESTful APIs, GraphQL, Node.js, Express, MongoDB. - *Front-End Development:* Proficient in React.js, ensuring seamless integration and consistent user experiences across platforms. - *Version Control:* Experienced with Git for version control, ensuring code integrity and facilitating collaborative development. - *CI/CD Pipelines:* Knowledgeable in setting up continuous integration and deployment pipelines for efficient updates and features delivery. 🛠️ Tools & Methodologies: - *Version Control:* Git, Bitbucket - *Environments:* Dev, Staging, Production - *IDEs:* Android Studio, Xcode, VSCode - *Methodologies:* Agile, Scrum - *Project Management:* JIRA, Trello, Teamwork, Asana, Basecamp, Zoho, Redmine 📈 Development Expertise Covers: - E-Commerce Apps - Camera/AR/BLE/Watch Apps - Health/Fitness/Education Apps - Location-based Apps with Google Maps Integration - Barcode/QR Code Scanner Apps - iBeacon, BLE Apps - Social Networking, Social Dating, Instant Messaging Apps - Social Logins Integration (Facebook, Twitter, Google+, YouTube, Instagram, LinkedIn, etc.) - Push Notification Integration (OneSignal, Firebase, etc.) - Payment Gateway Integration (Stripe, PPSDK, In-App Purchase, etc.) I uphold the highest standards of code quality and am dedicated to delivering bug-free, high-performance applications. My comprehensive approach ensures long-term maintenance and excellence in every project. Thank you for considering my profile—I'm excited about the opportunity to contribute to your next project.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $12k
Billed in all: $64,880$65k
$12k in the last 6 months
Across 52 contracts
Earnings, last 30 days
Skill rankings: Top 4% in Design Mockup
Ranked by MRR among everyone on Upwork with the skill.
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