Position: Backend php developer
Category: PHP
English level: intermediate
Years of experience: 11

development of cryptocurrency exchange service from scratch (bitsale.com)
development of CRM using microservices 
complex reports with filtering opportunities 
automatization of routine processes
REST API development
integration with a lot of external services (payment processors, email and sms gateways)
development of payment aggregator with implementation of many payment processors API's (fiat and crypto)
development of cryptocurrency exchange service from scratch (bitsale.com)
code architecture planning
database architecture planning
development of new functionality from scratch and support of existent on long-term projects
tasks estimating, code review, unit testing, team management (4 years experience)
refactoring, bug fixing, query profiling