Guilherme Erba

● Led the unification of Vivo's Telecom products (B2B and B2C) by building a shared architecture with React.js, TypeScript, and Node.js, beginning with the Mobile Plan store (6MM/monthly users), a strategic initiative that unified the customer journey and accelerated the company's ability to launch new products.

● Optimized the Vivo Equipment Store’s performance by 25% by redesigning the Adobe Experience Manager (AEM) architecture with Vue.js on front-end and optimizing the AEM Dispatcher cache.

● Engineered the new project for Vivo (Vivo Tech store) using Vue.js and Adobe Experience Manager (AEM), directly increasing equipment rental sales by 8%.

● Created and managed the delivery process using Azure Pipelines CI/CD, helping the team do safe and consistent deployments.

● Engineered the migration of the Subscriber Dashboard (400,000 subscribers) from Vue.js version 2 to Vue.js 3, improving application performance and ensuring system stability for thousands of subscribers.

● Optimized the corporate website's load time by 12% by implementing strategic optimizing component rendering, code-splitting for routes and lazy-loading for heavy components.

● Generated a 5% increase in lead capture by enhancing the corporate website's SEO and Accessibility standards, which resulted in significantly higher search engine rankings.

● Engineered the Design System, documenting all components in Storybook and packaging the library as a private NPM module, creating a single source of truth that standardized the development workflow for all teams.

● Helped launch Amway’s website in Brazil by developing and improving the front-end for the local market, working with a global team for this international client.

● Reduced legacy code maintenance time by 30% by applying technical best practices like modularizing jQuery functions, replacing inline styles with CSS classes, and organizing code into reusable components.

● Improved website speed by 20% by optimizing scripts and removing unnecessary code, helping pages load faster.

● Created and documented standard processes, helping new developers start faster and improving team productivity.

● Acted as a cross-team technical leader, helping other developers with code reviews and ensuring code quality.

● Engineered new reusable components in Vue.js and Adobe Experience Manager (AEM) for Vivo's Portal (6MM/monthly users), reducing component rendering time by 20% and directly improving user retention.

● Automated the content publishing process in CMS (Adobe Experience Manager - AEM) by developing custom workflows and optimizing replication agents, this initiative cut the time for front-end updates by 30%, enabling marketing teams to launch campaigns faster.

● Refactored legacy portal components from jQuery to Vue.js, decreasing page load time by 15% and increasing site stability during high-traffic periods.

● Wrote documentation for Vue.js components and Adobe Experience Manager (AEM) best practices, accelerating the onboarding of new developers and improving the team's maintenance efficiency.