João Guio is a senior software engineer based in Rio de Janeiro with 11 years of experience building high-performance CDN and streaming systems, now working on cloud compute at Bunny.net. He led design and implementation of caching, low-latency streaming and load-balancing features at Globo, including ML-driven preemptive caching and commercial CDN APIs that serve millions of viewers. Comfortable across backend, DevOps and full-stack work, he contributes to open-source PaaS tooling (tsuru) focusing on deployment image tagging, quota management and API improvements. João combines production-grade systems thinking with hands-on optimizations and metric-driven analysis, and has a background that blends formal CS training with practical internships that seeded his infrastructure expertise.
11 years of coding experience
7 years of employment as a software developer
Técnico em Informática, Programação de Computadores - Geral, Técnico em Informática, Programação de Computadores - Geral at Centro Federal de Educação Tecnológica Celso Suckow da Fonseca
Bacharelado, Ciência da Computação, Bacharelado, Ciência da Computação at Universidade Federal do Rio de Janeiro
Open source and extensible Platform as a Service (PaaS).
Role in this project:
Back-end & DevOps Engineer
Contributions:8 commits, 8 PRs, 3 pushes in 6 months
Contributions summary:João's commits primarily focus on enhancing the tsuru platform's functionality, specifically by adding image tagging capabilities during the deployment process. The commits also reveal work related to quota management, likely involving both application and user quotas. Furthermore, the user made several adjustments to the API, including fixing method names and updating API documentation, which are vital for proper documentation. The user's work involved also testing and refactoring to keep the code healthy.
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