# Paulund > paulund builds and runs small software products (Bullion API, Satzo, Switchboard, Lookout, Workflow Health) and keeps an engineering Notebook of project stories and notes. Product hubs live at /projects/{id}. Every written entry, including first-person project stories, lives at /notebook/{topic}/{slug}. ## Topics - AI: AI agents, LLM integration, AI-assisted development workflows - APIs: API design, REST, authentication, rate limiting - Architecture: System design, scalability patterns - Career: Professional development, certifications, team leadership - Deployments: CI/CD, cloud deployments, static site generation - Design Patterns: Software design patterns and principles - Docker: Containerization, Docker Compose - GCP: Google Cloud Platform services - Git: Version control workflows and techniques - GitHub: GitHub Actions, automation - Good Code: Code quality, testing, refactoring - Laravel: PHP framework tutorials, packages, best practices - Next.js: App Router, Server Components, routing, deployment - Observability: Logging, monitoring, debugging - PHP: Language features, tools, ecosystem - React: Components, hooks, state, performance, patterns - Tools: Developer tools and productivity - VS Code: Editor configuration and extensions ## Links - Homepage: https://paulund.co.uk - Notebook: https://paulund.co.uk/notebook - About: https://paulund.co.uk/about - Projects: https://paulund.co.uk/projects - GitHub: https://github.com/paulund