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ricardohdf

Ricardo Guedes

@ricardohdf

DevSecOps Engineer and Web Security Auditor

Brazil
English
About me
DevSecOps Engineer and Web Security Specialist. I help companies protect web applications, fix OWASP vulnerabilities, and secure DNS email deliverability (SPF, DKIM, DMARC) so emails stop landing in spam. What I deliver: • Forensic web security audits with zero downtime • Executive PDF Audit Reports with severity scoring • Ready-to-deploy surgical git diff code patches • Grade A+ HTTP security headers (CSP, HSTS) Fast communication and bank-grade confidentiality. Send me your website URL or requirements!... Read more

Skills

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ricardohdf
Ricardo Guedes
Offline • 

See my services

Bug Fixes
I will audit website security and fix vulnerabilities
From$50 / projectMore details

Portfolio

Work experience

GitHub

Senior DevSecOps Engineer & Security Architect

GitHub • Self-employed

Jan 2022 - Present • 4 yrs 9 mos

Senior DevSecOps specialist focusing on automated vulnerability assessments, AST static code analysis, and infrastructure hardening for web applications. Successfully audited 100+ web applications, implemented RFC-compliant email deliverability suites (SPF, DKIM 2048-bit, strict DMARC), and deployed Grade A+ defensive HTTP headers with zero downtime.