Roberto Luna

Experienced full-stack developer with expertise in Python, Kotlin, JavaScript, and TypeScript. Demonstrated skills in developing web and mobile applications, emphasizing process optimization and user-friendly interfaces. Proven track record of leading large-scale projects using technologies like Firebase, PostgreSQL, and frameworks including React, TkInter, and Android Jetpack Compose. Passionate about tackling challenging roles in innovative companies to contribute to the development of cutting-edge technological solutions.

• Git and GitHub Basics - Rocketseat
• Python Fundamentals - Rocketseat
• Clean Code - Rocketseat
• Participation in Bit.Week 2018 - Science for reducing inequalities - Bit.Week
• Business Informatics - ITEC Cursos
• Certified backhoe, MVB Cursos
• Certified SHOVEL
  LOADER, MVB Cursos
• Certified AGRICULTURAL TRACTOR, MVB Cursos
• Certified NR 01, NR 06 NR 11, NR 18, NR 22, NR 26, NR 31, MVB Cursos

CONARE - Fullstack Developer

Developed a comprehensive inventory management system for Frigorífico Paraibano LTDA, optimizing item management and providing greater visibility into operations. The system encompasses desktop, mobile, and web applications with extensive features for both authenticated and unauthenticated users. Key features include:

• Python, Tkinter: User-friendly and intuitive interface for users with basic computer knowledge.
• Firebase: Secure authentication with user management.
• NoSQL database: Complete CRUD operations for items.
• Pandas: Custom queries and Excel report generation.
• Android, Kotlin, Java, Jetpack Compose: Responsive and adaptive layout with light and dark themes.
• NoSQL database via Firebase SDK: Complete CRUD operations.
• Unified authentication with desktop app.
• Real-time updates using the Observer Design Pattern.
• HTML5, CSS, JavaScript: Basic data queries for unauthenticated users.
• Asynchronous RESTful API consumption for optimized performance.
• Firebase Realtime Database (JSON): Automated script on Heroku VM for daily database error scanning.
• Automatic backup generation and storage.
• Weekly reports sent to users via SMTP.
• Product expiration alerts.

Benefits: Optimized inventory management, reduced errors and losses, increased productivity, and data-driven decision-making.

MyFrota - Fullstack Developer

Developed a complete fleet and delivery management solution, consisting of mobile apps for drivers and a desktop app for companies.

• Kotlin, Compose Multiplatform: Created a desktop and Android mobile app using Compose Multiplatform for Kotlin, ensuring responsive and modern interfaces with dark and light themes.
• Backend resource sharing: Optimized development and code maintenance.
• NoSQL Cloud Firestore: Stored and managed delivery and driver data.
• Firebase SDK integration: Enabled real-time database updates.
• Listeners for instant synchronization of deliveries and driver status.
• SOLID principles: Robust and scalable architecture for future maintenance and expansion.

Benefits: Optimized fleet and delivery management, reduced errors and delays, increased driver productivity, and data-driven decision-making.

Key technologies used: JavaScript, Java, Python, Kotlin, HTML/HTML5, Pandas, TkInter, Android Jetpack, SMTP, Realtime Database (JSON), Git, GitHub, Firebase, Heroku.