Building professional and freelance projects using many technologies including: PHP, Node.js, Go Lang, Bash, Python, Lua, MongoDb, Redis, Postgresql.
Building web applications using PHP and Symfony2, Node.js and websockets
Buliding custom solutions for data store, warehouse, streaming targeting high performance and low latency
Programming web crawlers and scraping high volumes of data (including sites protected against crawling), bots, robots mimicking users