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Guilherme CamaraGC
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Guilherme Camara

@guilhermecamara

Java Systems Analyst at Ebix Latin America securing insurance systems and building OAuth2/OIDC identity platforms.

Brazil
Message

At Ebix Latin America, I work on the security layer of insurance systems, implementing DataPower authentication, rate limiting, and protections against SQL injection and XSS across distributed applications.

Before that, at Wise Systems, I developed a REST API that reduced data synchronization time by 60% and resolved more than 150 critical bugs, improving legacy system stability from 85% to 98%. At ESIG Software and IT Consulting, I worked on academic management systems used by more than 100k users and refactored a monolithic architecture, reducing build time by 30%.

Outside my professional roles, I designed StreamID, an identity platform with OAuth2/OIDC and JWT-based authentication, and OrderFlow, an event-driven e-commerce platform using Kafka, Sagas, and the Outbox pattern. I also built Lavra, a podcast-creator SaaS, end to end with Spring Boot and AWS.

Experience

Work history, roles, and key accomplishments

WS

Java Developer

Wise Systems

Dec 2022 - Aug 2025 (2 years 8 months)

Backend development and maintenance of a large Java monolith built on MVC architecture, focusing on system integration, stability, and feature delivery.

Education

Degrees, certifications, and relevant coursework

FI

Federal Institute of Rio Grande do Norte (IFRN)

Associate's degree, Computer Science

Associate's degree in Computer Science from the Federal Institute of Rio Grande do Norte, completed in 2022.

DI

Digital Metropolis Institute

Technical Course, Web Development

Technical course in Web Development from the Digital Metropolis Institute, completed in 2022.

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