Breno Xavier

Refactored and enhanced a LiDAR-based iOS app for tailor-fit jeans, developed an App Clip, integrated e-commerce via Shopify & Stripe, and optimized backend operations using Cloud Functions.

• SDK Development: Led the development of an internal SDK, modularizing app components for easier integration, improved debugging, and consistent functionality, managed via Carthage for enhanced team collaboration.
• App Clip Development: Developed and optimized a lightweight App Clip, ensuring it adhered to the 10MB size limit by diligently removing unnecessary dependencies and addressing cyclic dependencies.
• Image Loading Optimization: Introduced a cutting-edge cache layer for image loading, which incorporates a priority-based queue system, dramatically enhancing image load times and app responsiveness.
• Backend Integration: Seamlessly integrated backend services, enhancing app infrastructure, and supporting features like Firebase authentication and push notifications.
• Web Development: Worked on the creation of a company website using ReactJS, dedicated to the Vega jeans-printing machine, and further implemented a versatile content management system using Strapi to provide flexibility and ease in content updates.

Led the app development for iOS and Android, improving data collection via Bluetooth dongles. Transitioning to backend, I optimized database functionalities, employed AWS services, and contributed to our React dashboard. I evolved with the company's shift from B2C to B2B, ensuring optimal performance and integration.

• Mobile App Development: Led the redesign of iOS (Swift) and Android (Java, Kotlin) apps, improving the architecture and facilitating vehicle data collection.
• Backend Evolution: Pivoted to backend tasks, optimizing database queries, automating reports, and restructuring data storage for fleet maintenance prediction.
• AWS Expertise: Extensively utilized AWS, deploying lambda functions, ECR containers, and honing the API server for better response times.
• Web Development: Contributed to the React-based dashboard using AntJS, enhancing team collaboration and documentation with NestJS for new lambda functions.
• B2B Transition: Adapted to the company's move from B2C to B2B, partnering with firms like Geotab, focusing on AI analysis for fleet maintenance.
• Diverse Skill Set: Acquired a broad technological experience, from mobile and full-stack web development to AWS management.

Developed an iOS app for a geographically-interactive social video app. The app included a time-locked content and geo-restricted video access. Starting solo, I transitioned to a leadership role, overseeing two developers.

• Lead Developer: Leaded the design and development of a unique social video app as the primary iOS developer.
• Innovative Features: Introduced time-locked videos and geo-specific content unlocking, using core location and AVFoundation for video functionalities.
• Remote Efficiency: Adapted to remote work dynamics, maintaining productivity and project momentum for six months.
• Team Management: Transitioned from solo development to managing and collaborating with two additional iOS developers.