Renato C.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Jul 18, 2026.

Welcome to my Profile ========================================= I'm a engineer at heart. businessman at work, family man at home ========================================= Web/Service system ==================== - Developed web applications using MERN-Stack, Laravel, and Vue.js for diverse industries. - Created fully integrated restaurant and hotel systems, staff monitoring solutions, and hospital management systems. - Utilized Python scripts for backend functionalities and data analysis. - Collaborated with teams to deliver projects like Office 365 integration and Slack recovery systems. - Provided technical support and conducted code reviews. - Designed custom websites and applications for various purposes, including company blogs, travel sites, and finance projects. - Maintained communication with clients to ensure project success. POS system (restaurant & grocery) ==================== - POS app, Kiosk app, Delivery app, Cashier app - Online Order Web site(Mobile Responsive => Lara-Vue) - Card-Reader, Barcode-Reader, QR-Scan, Printer(Start, Epson, Bixolon) - Stripe API, Square API - Split Pay, Google Pay, Apple Pay, Gift-Card Pay - Retail POS, Dual POS Experience ==================== Hotel System(other web/app integration) ==================== - Hotel Reservation - Room & Food Reservation - Housekeeping Managemant(Role & Device & Apps) - Voice AI Call Service - Amazon Alexa - Other App Integration & Control & Sync - Reports ==================== Android & IOS ==================== - NFC chip, Printer, Smart Watch experience - Created a GPS navigation app for Android and iOS with real-time tracking. - Developed a video chatting feature for a social networking app. - Built a fitness tracker app with step counting and workout logging. - Integrated weather forecasts into various apps. - Designed a lottery and betting app with secure payments. - Deployed a restaurant management app for orders and reservations. - Implemented a cashier system for mobile devices for retail businesses. - Developed reservation systems for hotels, spas, and events. - Contributed to a smartwatch companion app for notifications. - Assisted in integrating third-party APIs for payments. - Conducted code reviews and supported junior developers. - Also experienced in developing night club apps, air watch apps, ---- - Proficient in Java, Kotlin, React-Native, Flutter. - Experienced with Android Studio, Xcode, and UI/UX design. - Knowledgeable in RESTful APIs and Git. ----- - Payment system apps, NFC card reader apps, education apps, social apps, dating apps, and adult content apps. Hello Upwork