Walter P.

Hello I'm an experienced Senior Mobile and Web App developer ready to bring your ideas to life. With 100+ projects completed on Upwork and a perfect 5-star rating, I am committed to providing top-quality service every time. Leveraging the latest technologies and industry best practices, I create applications that engage users and enhance their overall experience. Let's work together to develop the perfect app for your business." I work with following technologies and Stacks: 1. Mobile Application Development: I develop Hybrid / Cross-Platform Mobile applications using React Native CLI / EXPO , REDUX. Flutter / Drat . I develop Native Mobile Applications using: iOS (SWIFT), Android JAVA - Kotlin. PWA/progressive Web Application (React.JS). 2. Web Application Development: Full Stack Development, Front-end Development, Back-end Development. MVP Development, SaaS development, Multitenancy Product Development. E-commerce, Social media Websites etc Front End Development: TypeScript, React.js, React remix, vite.js, Next.js, Vue.js, Nuxt.js, TailwindCss Back end Development: Python (Django / flask / FastAPI ), PHP (CodeIgniter / Laravel), Node.js (typescript), Express.js, Nest.js, fastify 3. Database: MongoDB, MySQL, PostgreSQL, SQLite, Amazon Redshift, MariaDB, AWS dynamodb, aurora postgresql 4. Website Designing: HTML5, CSS3 using Bootstrap. Material UI, Ant Design Library, TailwindCss 5. Others: such as bit bucket, GitHub, Firebase, Websocket / [login to view URL] , Redis, nginx, EC2 , S3, RDS, Route53, EBS ( Elastic block store ), Cloud Front, IAM Identity center, Security Groups 6. API / WEB SERVICES Implementation: I have worked with several industry Specific API, SALESFORCE API, Crypto coins payment gateway API STRIPE API HOTELS & FLIGHT BOOKING API Shipping Companies API such as: DHL , UPS, FedEx GOOGLE MAPS API GOOGLE CALENDAR API ZOOM API [login to view URL] chargebee API duffel api MLS grid API Facebook Graph API Instagram Graph API Twitter API mada payment gateway api myfatoorah Api I have experience working on projects across diverse domains, some off them are listed here under. 1. Asset management system: Web Application and Mobile Application for iOS and Android. 2. Location live tracking and WiFi data scanning: Web Application and Mobile Application for iOS and Android. 3. Habit tracking Mobile Application for iOS and Android. 4. Retreat and hotel booking engine: Web Application. 5. Ticket booking system with live seat selection: Web Application. 6. Internet Service plan management system: Web Application and Mobile Application for iOS and Android. 7. Shipping container calculator: Web Application. 8. Mobile application for managing important documents. 9. Job board mobile application and Web Application. 10. SaaS for Hospital care and home care companies: Web Application and Mobile application. 11. Compliance checking and license management: Web Application. 12. Group chat mobile application. 13. Courses booking syst