В веб-разработках с 2000 г.
PHP, Perl, Ruby, XML/XSLT/XPath, JavaScript (JQuery, JSON, AJAX), Node.js, HTML5, Nginx, php-fpm, Memcached, MySQL, Mongo.
High-load, Round Robin, clouds, crawlers, parsers.
FreeBSD и *nix.
Assist, WebMoney, Robokassa, PayPal, Chronopay.
UI/UX. Photoshop. A/B-тестирование.
AdWords, Direct.