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Vitor costa

@vitorcosta

Junior Full Stack Developer at VTT, where I developed the Luna AI assistant with RAG, MCP, and project-aware context.

Brazil
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At VTT, I developed web applications for internal operators and clients using Java, Spring Boot, React, TypeScript, and REST APIs. I also modeled MySQL data and wrote SQL queries to support the portal and investigate issues.

I developed Luna, an internal AI assistant for querying records, comparing data, calculating averages and medians, and generating charts. I integrated RAG and MCP to provide dynamic memory, project- and user-specific context, and profile-based personalization.

I maintained the portal's analytics and automated checks for key user flows with Cypress and Jasmine. In personal projects, I built tools including CLT vs PJ, a calculator for comparing employment proposals, and Tarja, which flags potentially personal or sensitive data in MySQL schemas.

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Education

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Universidade Cruzeiro do Sul logoUS

Universidade Cruzeiro do Sul

Bachelor's degree, Computer Science

2022 -

Pursuing a Bachelor's degree in Computer Science, with expected completion in December 2026.

Udemy logoUD

Udemy

AWS CloudFormation, CloudFormation

Completed AWS CloudFormation certification in 2025.

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