Sr Security Specialist
Security specialist who ships. I design, secure and run cloud platforms, from CI/CD and Kubernetes to monitoring and incident response, and I build products with whatever the job calls for. TypeScript and Next.js are where I move fastest.
Based in Recife, Brazil. Easy to reach at rafaelpdemelo@gmail.com.
Activity
4,608 contributions in the last year on GitHub.
Experience
- Sr Security Specialist, CI&TNowApplication security, cloud platforms and incident response in enterprise environments.
- Cloud Application Security Engineer, Liferay2022–2026Four years and eight months at Liferay Cloud, in Recife: from engineering intern to cloud application security, through incident management.
- Cloud Application Security Engineer Oct 2023 – 2026. Security of the Liferay Cloud Node.js applications: vulnerabilities, testing, automation and the full DevSecOps cycle, from requirements to deployment and monitoring.
- Associate Incident Management Specialist Oct 2022 – Oct 2023. Monitoring and incident response for Liferay Cloud customers on GCP, Kubernetes and Docker, including night shifts. Built the root-cause search tool used by the SREs, in Node.js, React and DXP Client Extensions.
- Software Engineer Intern Feb 2022 – Oct 2022. Bug fixing and optimization of the Liferay product with Java, React and TypeScript.
- Founder, DidaskaNowWhite-label SaaS for online education: educators, creators and institutions run their own learning platforms under their own brand and domain.
- Platform Courses, students, payments, certificates and community in one place, with no commission on sales.
- Didaska AI & Stream AI tutoring, content creation and practice exams; live classes, recordings and mentoring.
- Engineering Multi-tenant architecture, PostgreSQL, deployments, observability and automation, end to end.
Projects
Didaska
Ecosystem of products for education, digital content and AI-assisted experiences.
didaska.com.brLiferay Portal
Contributions to an enterprise digital experience platform written in Java.
GitHubDidaska Nous
Open-source AI notetaker that stays on top of your meetings: live transcription of both sides, screen-aware answers and searchable notes. Tauri 2 and Rust, bring your own API key, MIT licensed.
GitHub
Stack
- Languages
- TypeScriptJavaScriptJavaSQL
- Frontend
- Next.jsReactTailwind CSSFigma
- Backend
- Node.jsPostgreSQLSupabase
- Cloud
- AWSGCPDockerKubernetesTerraformLinux
- Delivery
- GitHub ActionsGitLab CI/CDJenkinsNginx
- Security
- SonarQubeTrivyPrisma CloudCortexDynatrace
- Tools
- CodexClaude CodeGitHub