Position: PHP Developer
Category: PHP
English level: upper
Years of experience: 6

Development from scratch and making it to production of Billing subsystem
Billing functionality development for a sitebuilder & social networking product;

REST API development (json:api)

Migration php 5.2 -> 7.3 for a legacy subsystem

Refactorings, code & database optimization to reduce TTFB

ICO (Initial coin offering) functionality development

CRM for affiliate marketing application development