Position: Senior Golang developer
Category: Golang
English level: intermediate
Years of experience: 11

GO: optimized legacy pricing processing from 30 to 2 minutes on the same hardware.
PHP: implemented MTProto protocol
Go (3+ years), PHP(8+ years), Magento(1.5 years), C# (1.5 years).
Experience with a lot of payment APIs, Bitcoin, Ethereum, Tether (OMNI and ERC20).
Implemented 100+ HTTP API endpoints along with Apache Thrift functions.
Years ago worked as a full-stack developer.
Have experience creating mobile applications with flutter, but it's for personal use, just to understand the industry.
Interested in backend development using Go.
Only part-time/freelance.