# Guilherme Pinheiro | Bugcrowd biography

## Profile biography

I'm Guilherme Pinheiro, a Brazil-based data engineer, full-stack developer, and automation specialist with more than a decade of experience in IT. I work on data engineering and automated processes at Claro Brasil and founded Datano, a consultancy focused on data engineering, data science, and custom software.

My hands-on work spans Python, TypeScript, Java, SQL, PowerShell, Linux, Docker, and cloud platforms. I build and operate web applications, APIs, ETL pipelines, Microsoft 365 integrations, and self-hosted services. This experience gives me a practical understanding of how applications, identity, infrastructure, and data flows interact.

My projects include hardware-aware Python acceleration tools, local AI tooling, and a self-hosted memory system for AI assistants. I also work with network automation and contribute to open-source software.

I'm bringing that engineering background to security research, with an interest in web and API security, authentication and authorization, integration boundaries, and AI-enabled applications. I approach research through careful source review, reproducible testing, and clear explanations of technical impact and remediation. My goal is to help teams strengthen the systems they build and operate, while respecting program scope and responsible disclosure.

## Short biography

Brazil-based data engineer, full-stack developer, and automation specialist. I work on data engineering at Claro Brasil and founded Datano. My background covers web applications, APIs, cloud infrastructure, Microsoft 365 integrations, network automation, and local AI tooling. I'm applying that engineering experience to security research, focusing on web/API security, authentication, authorization, and integration boundaries, with an emphasis on reproducible findings and responsible disclosure.

## Headline

Data Engineer & Full-Stack Developer | Automation, APIs, Cloud & AI | Security Research

## Public links

- [GitHub](https://github.com/GuilhermeP96)
- [Portfolio](https://gp96.com.br)
- [Datano](https://datano.com.br)
- [LinkedIn](https://www.linkedin.com/in/guilhermep96/)

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Prepared on 2026-10-01. The security focus describes research interests and an engineering approach; it does not assert certifications, CVEs, bounty awards, platform rank, or prior vulnerability disclosures.