Passionate mobile application engineer specializing in high-performance native Android (Java) development and hybrid cross-platform apps using Flutter. Proficient in full-stack backend integrations including PHP, Laravel, SQL, cloud systems, and secure Razorpay payment integrations.
Shipped robust, scalable native Android apps using Java and multi-platform apps using Flutter SDK. Managed app lifecycle from layout design to deployment in the Google Play Store.
Engineered secure API payment checkout workflows utilizing Razorpay SDK. Designed custom receipt dispatching, webhooks handling, and secure database recording in backend panels.
Leveraged Google Cloud Console, Google APIs, and Firebase suite (Auth, Realtime DB, Firestore, Cloud Functions) to deploy scalable cloud databases, authentication logic, and background functions.
Designed custom admin dashboards using PHP and Laravel, linking database endpoints to mobile client frontend through authenticated JSON REST API interfaces.
A cross-platform Flutter application featuring complex product cataloging, cart caching, and secure payment via Razorpay. Supported by a PHP Laravel administrator control panel.
View Live SimulatorA native Android application written in Java. Includes patient registration, real-time consultation appointment scheduling, and automated push notifications via Firebase Cloud Messaging.
View Live SimulatorA real-time logistics tracking mobile application utilizing Google Maps API for route directions and custom REST APIs for parcel dispatch logging.
View Live SimulatorI am open to contract opportunities, freelance projects, and full-time mobile development positions. Send a message to discuss your design.
karmegansivaprakash@gmail.com
Chennai,Tamil Nadu, India