Allan Marcelino is a Full Stack Junior Developer at DB since October 2023, where responsibilities include working with NestJS and React for the client Randon, specifically focusing on optimizing SQL queries using CQRS principles for improved performance. Previously, Allan served as a Full Stack Intern for the same client, contributing to front-end and back-end feature development, bug fixes, and proposing continuous improvements. Additionally, Allan has experience as a Data Scientist at FIOCRUZ from January to June 2025, where analytical tasks included data processing for public health policy development, utilizing the Shiny Framework to create a mortality data dashboard, and implementing unsupervised machine learning algorithms. Allan is currently pursuing a Bachelor of Science in Computer Science at Universidade Federal Rural do Rio de Janeiro, expected to graduate in December 2025.
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