Rossano Bavaresco

• Contributed to an e-commerce application by enforcing UI componentization best practices, performance optimizations, code reusability, and comprehensive test coverage. Integrated the application with backend microservices and a Headless CMS (Strapi) and implemented multi-strategy authentication flows (monolith and SSO) using ReactJS, React Native, PHP, and Node.js.
• Implemented the architectural integration between business logic and order microservices, the e-commerce web application, and the core monolithic system. The solution leveraged cloud service integrations and asynchronous communication via message queues, using PHP, Node.js, and React.js.
• Developed the invoice management architecture, orchestrating the communication between the legacy monolith and the order and invoice microservices. The solution managed complex transactional flows—including cancellations, returns, and refunds—ensuring system resilience through asynchronous communication based on message queues and Pub/Sub patterns.

• Collaborated cross-functionally across multiple squads and clients, focusing on critical incident resolution and system stabilization. Managed the technical maintenance and continuous evolution of these ecosystems (utilizing NestJS, Laravel, and Vue.js), ensuring high availability and continuous delivery through robust CI/CD pipelines.
• Refactored and optimized front-end Single Page Applications (SPAs) built with Vue.js. The restructuring involved implementing cleaner component logic by decoupling the service layer (API integrations) from the User Interface (UI), strictly applying the framework's best practices and native directives.
• Implemented new interactive features within the SPA, designing dynamic components for data listing and filtering. The solution involved architectural integration leveraging the BFF (Backend for Frontend) pattern built in PHP with Laravel, alongside the development and orchestration of new API endpoints in Node.js/NestJS.

• Engineered a service invoice issuing solution integrated with web APIs, built upon an Event-Driven Architecture (EDA) utilizing messaging and queues to ensure system resilience. Implemented observability routines, including active monitoring and automated alerting, and integrated cloud services such as AWS S3 for file management. Additionally, actively contributed to technical discussions and developed Proofs of Concept (POCs) to modernize a legacy Perl system, driving the transition to Node.js and NestJS under strict Clean Architecture principles.
• Developed components for dynamic SQL query generation, focusing on code standardization and reusability. The solution optimized database performance by reducing the overall query volume and streamlined the team's development lifecycle, increasing agility and simplicity.
• Developed a new interface for managing and registering inbound invoices. Implemented data reconciliation rules, performing automatic cross-validation of information against corresponding purchase invoices to ensure system consistency and data integrity. Technologies: JavaScript, AngularJS, and jQuery.

• Enhanced the user interface of a medical LMS platform, focusing on responsive design and interactive component behavior. Achieved highly performant front-end results using vanilla JavaScript and CSS, ensuring cross-device compatibility and optimized usability for healthcare professionals.
• Implemented new transactional flows within the medical publishing workflow system (magazines and digital content), structuring the business logic and the article lifecycle in PHP. Additionally, built front-end features using JavaScript and CSS, and integrated the ecosystem with payment gateway APIs via Node.js services.

Modernized and migrated fragmented LMS platforms to a unified multi-tenant architecture. Consolidated multi-client operations into a centralized, scalable platform—supporting over 30,000 active students—using PHP/Laravel, JavaScript/jQuery, and CSS/Bootstrap to elevate business standards.

• Worked on restructuring the layout of a White Label application, aligning it with Vue.js component logic integrated natively into Laravel views, enhancing system interactivity and visual presentation. Beyond the visual redesign, I implemented improvements to the back-end administrative and financial panels, utilizing PHP/Laravel to support multi-client operations.
• Implemented monitoring (Google Analytics) and conversion tracking integrations in partnership with the digital marketing team, enabling the optimization of sales strategies. Furthermore, I developed the integration with cross-platform push notification services, using PHP/Laravel and Vue.js stack.
• Collaborated directly with DBA and BI teams on complex query development and data modeling to extract and reconcile information across disparate client databases, ensuring the integrity and consistency of generated metrics.

• Data Intelligence Platform: Developed information management systems that captured portal data to generate actionable metrics for commercial strategies. Integrated Vue.js components into Laravel Blade templates, improving code maintainability and reducing technical debt.
• Architecture & Data Pipeline: Enhanced a CQRS-based architecture to optimize data processing. Managed the full pipeline, from bot-based data capture and PostgreSQL persistence to indexing in Elasticsearch, ensuring high-performance full-text search for PHP/Laravel-based client systems.
• Bot Engineering: Engineered and maintained scalable data-scraping bots using .NET Core/C#, significantly expanding the platform's data collection capabilities.