Johnnie J.

Hello, I'm Senior Full-Stack Developer with over 8 years of experience specializing in mobile and web applications. My expertise spans both frontend and backend development, empowering me to deliver comprehensive and engaging digital solutions. - Expertise Areas: Mobile Application Development: ✅ Native Mobile Application Development ✅ Hybrid Mobile Application Development Backend Development: ✅ REST APIs and Microservices ✅ SQL Database Design and Implementation Frontend Development: ✅ Responsive Website and Admin Panel Development - As a Senior Full Stack Developer, I excel in creating robust backend REST APIs and designing responsive and user-friendly frontend web pages. My dual proficiency allows me to seamlessly navigate between frontend and backend roles, ensuring comprehensive web solutions that not only meet business requirements but also engage users effectively. - Backend Developer Expertise: ✅ ASP.NET REST API Development ✅ ASP.NET Core API Development ✅ PHP Laravel API Development ✅ PHP CodeIgniter API Development - Frontend Developer Expertise: ✅ Vue.js Applications ✅ React.js Applications ✅ Angular Applications ✅ JavaScript Frameworks ✅ jQuery Library - I have successfully developed and launched over 50 mobile apps on both iOS and Android platforms. My role encompasses crafting backend server APIs and microservices, integrating these endpoints as a frontend developer for mobile applications. Technologies for Native Mobile Applications: ✅ Android Mobile App Development (Kotlin & Java) ✅ iOS Mobile App Development (Swift, Objective C, Swift UI) - MERN Stack Developer: My expertise as a MERN Stack Developer includes: ✅ MongoDB ✅ Express.js ✅ React ✅ React Native ✅ Node.js Additionally, I have embraced market trends by expanding my skills in Website and Admin Panel Development, including: ✅ WordPress Development ✅ HTML5 Template Creation ✅ CSS Layout Design - My proficiency in database management and design covers a range of technologies, including: ✅ Microsoft SQL Server ✅ MySQL ✅ PostgreSQL ✅ SQLite ✅ Realm Database ✅ Firebase NoSQL Database ✅ Firestore - These combined skills in frontend and backend development enable me to deliver well-rounded and robust solutions that meet the demands of modern applications. -DevOps Experience ✅Containerization: Docker, Kubernetes ✅CI/CD Tools: Jenkins, GitHub Actions ✅Cloud Services: AWS - Why Choose Me? When you decide to work with me, you can expect: ✅ Timely project delivery ✅ Proactive communication and responsiveness; I’m always available ✅ Revisions to ensure your satisfaction ✅ Client-centric solutions that cater to your needs ✅ Seamless milestone delivery - I am dedicated to producing exceptional results and ensuring the success of your project. I focus on building adaptable, scalable systems with a future-proof infrastructure and well-optimized code. Not just a developer, I’m here to serve as a valuable consultant and a responsive maintenance technician for your projects.