1. Code & CI/CD, optimized
2. Microservices
3. Unit testing / Add tests / Software testing with PHP UNIT, PHPSpec, Behat
4. UI/UX design with figma
5. OOP advanced / SOLID design principles
6. Writing clean and readable code that scales and performs well / implement better code design
7. Git and Agile methodologies
8. AWS cloud computing
9. Elasticsearch
10. Google, facebook, twitter, instagram, linkedin API
11. Payment gateways stripe, paypal
12. Working with both relational and document database
13. Writing clear and consie documentation
14. Working with product owners and domain experts to understand requirement
15. Scaling restful APIs / PHP website working with API / REST API design
16. Ability to work with Redis
17. Mysql profiling and query optimization
18. Experience on SQL Schema design