Leonardo – Typescript, Java, React

A wellness platform that integrates AI-powered chat capabilities to help users improve their health and daily quality of life through personalized recommendations and support.

• Leading the Channels Integration area, responsible for connecting Wellhub’s AI to multiple communication channels (WhatsApp, internal chat, and wearable devices).
• Defined architecture and supervised the development of scalable integrations between AI systems and communication platforms.
• Managed a multidisciplinary team, ensuring deliveries aligned with the company’s global digital expansion strategies.
• Acted strategically in digital product innovation, increasing accessibility and user engagement with the Wellhub platform.

A warehouse management platform that centralizes inventory execution, package tracking, and issue management, giving real-time visibility into all warehouse processes and cutting lost-package identification time by about 80% through improved inventory controls.

• Led inventory-team projects, aligning technical work with last-mile logistics goals.​
• Designed and implemented scalable Golang and React architectures handling 1M+ daily requests.​
• Reduced lost-package identification time by 80% through enhancements to the inventory system.​
• Provided technical leadership and mentoring that improved collaboration and cut production failures by about 50%.

A web-based system that streamlines core clinic workflows, including patient registration, appointment scheduling, medical record management, and basic billing, giving clinicians and administrators a single interface to access and update patient information securely.

• Designed and implemented the system’s front-end and back-end architecture.​
• Wrote unit, integration, and end-to-end tests for key workflows.​
• Translated business needs into concrete system requirements and features.

A rapid-delivery logistics platform that connects shoppers to nearby marketplaces and stores, enabling orders to be processed, routed, and delivered in as little as two hours. The system emphasizes real-time optimization, intelligent routing, and a smooth user experience to provide fast, convenient access to products

• Aligned technical and strategic initiatives in freight collection, translating operational demands into technical requirements.
• Developed new features in Java, React, and Vue.js, modernizing systems and optimizing operations.
• Enabled deliveries in as little as 2 hours through modernization of critical processes.
• Mentored and led the technical team, strengthening competencies and accelerating deliveries.

A comprehensive CRM and billing platform designed for companies that operate with recurring revenue models. Originally created in 1995 for pay-TV providers, it has evolved into a flexible and scalable solution that supports multiple industries with subscription-based or contract-based businesses. The platform manages over 5 million contracts and processes more than R$ 4 billion per year.

• Conducted business analysis for CRM and Billing solutions.
• Designed and developed system integrations, including NGBilling integration with SAP using JMS.
• Implemented customer banking integrations.
• Developed applications using Java with the company’s proprietary framework.
• Created and executed test plans, ensuring robust code quality.