A standout achievement lies in my role on the RiHappy fidelity app. I spearheaded requirements gathering migrating an existing external user database, to another third party, while keeping compatibility with the existing backend. Meanwhile crafted a robust Node.js backend for an iOS multiapp, seamlessly integrated with the VTEX platform and google assistant.I played a pivotal role in an internal MESA project, orchestrating the successful migration of data from a MongoDB database to the Airtable platform, showcasing skills in handling sensitive information.My significant contribution to the Buzzfeed Brazil project involved a comprehensive migration and overhaul of the site's structure. I artfully designed the frontend using Pug.js, orchestrated the backend migration to Node.js, and established an efficient custom CMS system. I also set up the infrastructure using Amazon Web Services, including EC2, Route53, CloudWatch, and Aurora RDS. Throughout this transformative process, I managed access and users, implemented internal analytics systems for posts and quizzes metrics, and seamlessly integrated a media reporting system to our custom analytics reports for campaigns.As a developer for a MESA Project at Instituto Liberta, that has a vital initiative combatting child sexual exploitation. A significant accomplishment was crafting a compelling prototype website with a dynamic video feed, where influential figures shared experiences to amplify awareness. Introducing a unique feature allowing users to open webcams in the browser, record videos, and seamlessly upload them, while using Pug.js for the frontend and utilized Node.js with Express for the backend, and allowing remote access by using ngrok, underscoring my commitment to impactful and accessible solutions.