####Library & Framework Design
- Reflection
- Package development (semver, distribution, etc)
####Elasticsearch
- Using Elasticsearch with PHP
- Elasticsearch for analytics
- ELK Stack & Logging
####Databases
- Modern SQL
- MySQL 5.7 Features
- MySQL vs MariaDB Variances
- Relational DB theory & practice (normalisation, relational design, etc)
- Database migrations
####Computer Science
- Algorithms
- Data Structures
- Algorithm analysis
- Unicode
####Workflow & Professional Development
- IDEs
- Development Environments
- VMs
- Docker for Devs