Summary
Jefferson Carvalho is a Full Stack Engineer from Piauí, Brazil with 10 years of experience building reliable, standards-driven web platforms and developer tooling. He has practical expertise across frontend and backend stacks—moving projects from Express to Hono, migrating DynamoDB to PostgreSQL, and improving developer experience with TypeScript, Storybook, Vitest and Cypress. At Iniciador he works on an OAuth2/OIDC/FAPI-compliant Authorization Server for Brazil’s OpenFinance ecosystem, adding observability, message queuing and a backoffice for regulators and customers. He’s shipped product-focused features from drag-and-drop chatbot builders to mobile apps and led small teams while mentoring junior colleagues. Known for pragmatic refactors and emphasis on maintainability, he blends security-conscious engineering with accessibility and testing improvements to reduce operational risk.
10 years of coding experience
6 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at State University of Piaui(UESPI)
English, Portuguese