![Kirill Zhirnov](https://uploads.sitepoint.com/wp-content/uploads/2016/11/1478610704cutPhoto-96x96.png)
Kirill is a full stack web developer based in Saint-Petersburg, Russia. He is a full time freelancer working with clients worldwide: from Australia to the United States. He has more than 9 years of web dev experience. Currently, he is focusing in Node.JS and isomorphic applications. He likes skydiving and outdoor activities.
Kirill's article
![Beaver in Action: Practical MySQL Optimization](https://uploads.sitepoint.com/wp-content/uploads/2016/11/1478609888994_REpWIE1JRyAyMjktMTk-Converted-300x300.png)
Beaver in Action: Practical MySQL Optimization
Kirill demonstrates a practical example of optimizing a website's MySQL queries - check it out, it might come in handy in your optimization gigs!