• Led the development of a cutting-edge financial dashboard, leveraging React, Vue, Next.js, Tailwind CSS, and GraphQL to deliver high-performance, interactive data visualizations for 2,000+ users.• Enhanced real-time data processing by efficiently consuming advanced APIs, cutting data retrieval time by 50%.• Implemented a microfrontend architecture, significantly boosting the scalability and maintainability of complex web applications.• Implemented CI/CD pipelines using GitHub Actions and AWS, improving deployment efficiency and reducing downtime by 40%.

• Implemented a comprehensive onboarding process for 1,200+ new users on an educational platform using React and RoR, increasing user engagement by 40%.• Developed a fully dynamic dashboard using React, Sass, Node, and PostgreSQL to display data for over 400 students.• Designed and executed over 50 integration tests for Apollo Server endpoints, achieving a 100% pass rate and ensuring seamless functionality for GraphQL queries and mutations.• Refactored and optimized 20+ SQL queries to Sequelize, improving performance by 35% and streamlining database operations.• Developed a dynamic, fully customizable tooltip component, integrating front-end, back-end, migrations, seeds, models, and Amazon S3 storage. Adopted in 50+ web pages, enhancing user experience by 25%.

• Developed the full-stack platform for streaming to 50 students, managing data, reporting, and statistics using React, Node, OBS Studio, Facebook API, and AWS Lambda for end-to-end event-driven processing.• Integrated a payment API to handle 5,000 monthly transactions, reducing payment processing time from 5 days to real-time.• Established automated email sending notifications for 100 clients daily, adding an email template integrating SendGrid API.• Implemented a complete quotation and warehouse module for a hardware store, reducing the customer's time by 50%.• Performed rigorous testing to locate browser defects, improving user experience across all supported web browsers by 35%.• Built unit tests using Jest that maintained over 90% code coverage of the entire application.

• Introduced agile principles to the software team using Monday resulting in predictable schedules where high-value issues are included in quality releases for internal stakeholders.• Revised the definition of Done criteria for the fronted team, improving development effectiveness by 25%.• Streamlined roadmap creation for projects by establishing a risk-based approach and consensus with leadership.• Managed multiple projects concurrently, providing solutions to technical problems about the client's requirements.• Helped to break down large features into smaller user stories, which enabled developers to estimate tasks with higher granularity and deliver 20% efficiently on time for each sprint.

• Implemented Machine Learning with Java to predict the desertion of 10.000 students monthly, representing each student’s KPIs on a website, which helped to increase student retention by 25%.• Created a statistics dashboard with HTML, CSS, Javascript, PHP, API Rest, and MySQL for displaying attendance records of 200 students daily, by integrating a fingerprint scanner, reducing the time checking for teacher's assistants by 80%.• Developed a collaborative real-time editor in Javascript, allowing a professor to work with 30 students simultaneously.• Built a high-resolution image processing interface for microscopic pathology samples with PHP, which allowed visualizing images bigger than 1GB and inserting annotations inside.

• Planned and managed $3MM projects through over 40 public biddings for medical equipment and IT services.