Frontend
JavaScript, TypeScript, React, Angular, Playwright, and shared frontend patterns.
Interview Preparation Platform
One entry point for study notes, flash cards, and practice drills across frontend, backend, DevOps, and leadership tracks.
JavaScript, TypeScript, React, Angular, Playwright, and shared frontend patterns.
C#/.NET architecture, systems design, and senior interview prep.
Leadership and organizational effectiveness study tracks (Scrum.org PAL I and PAL-EBM).
Kubernetes, Docker, CI/CD, infrastructure as code, and DevSecOps practices for senior engineers.
Web & API security for interviews and real systems — the OWASP Top 10, injection, access control, authentication, cryptography, and a secure SDLC.
A real self-hosted multi-tenant SaaS (dloizides.com) explained end to end — products, microservices, shared libraries, DevOps, and AI-assisted development.