Oi

Senior Software Developer
Apr 2016 - November 2020 (4 years 8 months)
Belo Horizonte Area, Brazil

Led the migration of a legacy PHP monolithic platform to a modern React and Node.js architecture, improving maintainability, scalability, and development velocity.

Redesigned resource-intensive workflows involving third-party integrations, database operations, and file processing by implementing asynchronous queue-based processing and event-driven communication patterns.

Key Achievements

Performance Improvements

• Reduced frontend load times by more than 80% (12s to under 2s) by eliminating blocking operations and modernizing the user experience with React.
• Improved API performance by approximately 30% through service decomposition, workload distribution, and architectural optimization.

System Integrations

Developed real-time integrations with Salesforce and SAP using APIs and webhooks, ensuring reliable synchronization across business-critical systems.

Collaboration & Impact

Collaborated with cross-functional teams to streamline the end-to-end sales lifecycle while reducing technical debt and increasing platform reliability.

Key Technologies

• Frontend: React
• Backend: Node.js, Express
• Legacy: PHP (migrated from)
• Database: SQL Server
• Integrations: Salesforce, SAP
• Architecture: Async queues, event-driven patterns, API development, webhooks