Short-Term Consultant
2016 - 2017Cleoo Limited- Helped to improve the performance of a legacy Zend application.
- Built the requirements for the new API and skeleton for the new Symfony 3 application.
- Improved the architecture by moving heavy tasks from Crons and web pages to workers that pull jobs from queues.
- Integrated the Google Analytics API to get the leads' bounce rate and other information to automatically adjust budget on ad campaigns/channels with better lead quality.
Technologies: MySQL, Elasticsearch, Symfony, Zend FrameworkHead of Development
2015 - 2016Scatter Scatter Pty Ltd- Controlled the overall quality of the back-end and 2 mobile apps.
- Implemented scalable architecture.
- Made a Symfony bundle to collect performance metrics in production with near-zero overhead.
- Maintained the server infrastructure that was made to deploy automation scripts.
- Allocated tasks to the team.
- Interviewed new team members.
Technologies: Amazon Web Services (AWS), Amazon, AWS, Redis, MySQL, Symfony, PHPFull-Stack Developer
2013 - 2015Infoskidka.ru- Integrated Symfony components to migrate legacy code that was written without any framework to Symfony.
- Optimized SQL queries and PHP code to improve performance and let code handle 1M requests per day.
- Built self-analysis tool that acts like a Google bot to calculate page-rank, page-weight, detect broken links, and incorrect or duplicate meta tags.
Technologies: Sphinx Search Engine, Redis, Symfony, PHPTeam Leader
2011 - 2013IDweb- Made various corporate websites.
- Hired new developers.
- Developed a video conference website using CodeIgniter and Red5.
Technologies: MODx, Drupal, CodeIgniter, PHP