Pentcloud

Frontend and Mobile Developer | January 2018 - December 2021

At Pentcloud, I led the frontend development team and delivered multiple high-impact projects that significantly contributed to the company's growth.

Leadership & Impact

Led the frontend development team for the delivery of 3 custom software products, which increased the company's revenue by 25% according to internal data.

Technical Stack: React, Angular, Ionic Framework, Firebase, Node.js, SocketIO, Google Maps API

Featured Projects

Claro Club (2019)

https://clubclaro.com.gt/

Claro Club is an application that allows users to consult and redeem discount coupons at associated stores across Central America.

Key Achievements

• Developed the Android and iOS application (PWA)
• Increased the number of concurrent users by 2x
• Improved the design and user experience using best practices
• Implemented location-based services for nearby deals

Technical Implementation

• Stack: React, Ionic Framework, Firebase
• Progressive Web App architecture for cross-platform compatibility
• Real-time coupon updates and notifications
• Integration with store partner APIs
• Geolocation services for nearby offers

Features Delivered

• Browse and search for available coupons and deals
• Location-based recommendations
• Real-time notifications for new deals
• User-friendly redemption process
• Favorites and saved deals
• Categories and filtering options
• Store locator with interactive maps

Batres Pharmacy (2021)

https://app.farmaciasbatres.gt/

The Farmacias Batres application is an online store that allows real-time communication with customer service and enables medicine purchases.

Key Achievements

• Developed the Android, iOS, and PWA application
• Achieved better accessibility to clients through multi-platform support
• Implemented real-time chat module for direct customer-service communication

Technical Implementation

• Stack: Angular, Node.js, SocketIO, Google Maps
• Real-time communication system
• Secure payment processing
• Inventory management integration
• Location-based pharmacy finder

Features Delivered

• Real-time Chat Module - Direct communication between customers and customer service
• Product catalog with search and filtering
• Shopping cart and checkout flow
• Prescription upload and verification
• Order tracking and history
• Store locator with Google Maps integration
• Push notifications for order updates
• Multiple payment methods

Technical Highlights

• WebSocket implementation with SocketIO for real-time messaging
• Optimized performance for mobile devices
• Offline functionality for basic browsing
• Integration with backend inventory system
• Secure authentication and user data protection

Skills Developed

Frontend Technologies

• React.js for dynamic web applications
• Angular for enterprise-level applications
• Responsive design and mobile-first approach
• State management (Redux, NgRx)

Mobile Development

• Ionic Framework for cross-platform apps
• Progressive Web Apps (PWA)
• Native device features integration
• App store deployment (iOS & Android)

Backend & Integration

• Node.js for backend services
• SocketIO for real-time communication
• REST API integration
• Firebase for authentication and database

Tools & Methodologies

• Git version control
• Agile/Scrum methodologies
• CI/CD pipelines
• Performance optimization
• User experience design principles