# Libardo Ramirez Tirado

Backend developer & security engineer with 20+ years of experience building Python APIs, secure systems, DevSecOps pipelines, and native iOS/macOS apps. ISC² certified in cybersecurity. Available remote.

## Contact

- Email: libar@libardoramirez.com
- Book a meeting: https://calendly.com/libar
- LinkedIn: https://www.linkedin.com/in/libar/
- GitHub: https://github.com/libardoram
- Twitter/X: https://twitter.com/libardr
- Articles: https://dev.to/libar

## Pages

- [Home](https://libardoramirez.com/): Overview of expertise, personal projects, and publications.
- [Resume](https://libardoramirez.com/resume.html): Full work history, skills, education, and certifications.
- [Open Source](https://libardoramirez.com/open.html): AirCapture, macnetmonitor, microgpt_swift.
- [AI Info](https://libardoramirez.com/ai-info.html): Verified facts page intended as a canonical source for AI models and chatbots.

## Expertise

Python (FastAPI, Django), REST & GraphQL API design, microservices architecture, PostgreSQL/MongoDB, AWS/GCP, Docker/Kubernetes, CI/CD, threat modeling, secure code review, vulnerability assessment, Swift/SwiftUI for iOS and macOS, HealthKit/CoreMotion/AirPlay integrations, on-device AI (Ollama, MLX), LLM integration.

## Notable projects

- CourseCamp: full-stack Django LMS in production with in-browser coding auto-grading.
- EQBook: macOS AI research workspace running Gemma models fully on-device (https://eqbook.eqmo.com).
- AirCapture: open-source multi-stream AirPlay receiver for macOS (https://aircapture.eqmo.com).
- EarnScreen: iOS app unlocking screen time through motion-verified healthy habits (https://earnscreen.eqmo.com).
- Bedtime Snuggles: AI-powered personalized bedtime stories for children using Apple Intelligence.
- Timer Of Time: productivity timer app for iOS.