Senior Software Engineer
2018 - PRESENTInstacart- Built back-end services.
Technologies: React, Ruby on Rails (RoR)Senior Software Engineer
2017 - 2017The Meet Group- Developed the API and services.
Technologies: MySQL, PHPSoftware Engineer
2015 - 2016Rocket Internet- Designed and developed several back-end components for admin and merchant sections.
- Improved booking and cancellation subscription processes.
Technologies: PostgreSQL, PHPSenior Software Engineer
2015 - 2015Lazada.com- Designed and developed several components for order processing and warehouse management systems, from DB tables design to models, controllers, and services.
- Improved performance of order processing from 1.2 req/sec to 10 req/sec per a single process by analyzing performance of database requests, profiling and finding "bottlenecks" and resolving deadlocks.
- Made a system for managing background RabbitMQ consumer daemons.
Technologies: New Relic, MySQL, Zend Framework, PHPSenior PHP Developer
2012 - 20145turistov.ru (otdih.nakubani.ru)- Designed and developed searching, booking, and billing systems, and integrated third-party payment systems.
- Made a mobile application for the merchants and web API service.
- Researched the sales funnel, measured conversation and efficiency of forms and UI elements, and increased overall conversion rate up to 200%.
- Improved performance of the search system up to three times.
- Created and managed a successful team of five developers.
Technologies: Java, jQuery, MongoDB, Yii, PHPSoftware Development Engineer
2001 - 2012Ruport.ru- Designed, developed and supported a web-based enterprise system, which manages all business processes of the company: operations, accounting, employees managing, etc.
- Maintained and ensured the uptime, stability, and functionality of the system.
- Made numerous websites.
Technologies: jQuery, MySQL, PHP