Relocated to the New York office to continue working on the "Advertising Intelligence" project.* Managed team of 3 programmers and 2 analysts.* Integrate SAP BI with the company's main product.* Designed REST API when migrating desktop application to web. Introduced "JSON Schema" technology to describe business model. Implement maven plugin to generate java and js classes from JSON schema. This reduced number of errors and misunderstandings between backend and frontend… Show more Relocated to the New York office to continue working on the "Advertising Intelligence" project.* Managed team of 3 programmers and 2 analysts.* Integrate SAP BI with the company's main product.* Designed REST API when migrating desktop application to web. Introduced "JSON Schema" technology to describe business model. Implement maven plugin to generate java and js classes from JSON schema. This reduced number of errors and misunderstandings between backend and frontend team.* Involved analyst team into process describing business model by writing small ui do edit json schema. This document becomes a central point of knowledge.Technological stack: SAP BI, java, mysql, json schema Show less

Maxifier is a company with headquarters in New York, sales team in London and Tokyo and engineering center in Samara. Company develops its own products for ad campaigns optimization. I participated in the development of various parts of the product (mostly backend).* Elaborated and implemented an impressions-on-pages prediction algorithm as well as developed a correction module for changing forecasts based on comparing real and predicted data.* Introduced java trove librry. As a… Show more Maxifier is a company with headquarters in New York, sales team in London and Tokyo and engineering center in Samara. Company develops its own products for ad campaigns optimization. I participated in the development of various parts of the product (mostly backend).* Elaborated and implemented an impressions-on-pages prediction algorithm as well as developed a correction module for changing forecasts based on comparing real and predicted data.* Introduced java trove librry. As a result decreased memory footprint by up to 4x by using collection of primitives, as well as gained approximately two times speedup.* Implemented module to check quality of impressions forecasting system. It gave us ability to undestand and find bottlenecks of predictions system.* Managed a team of 2 developers and build client reporting system. It gives to our analyst team ability to create client reports in few hours instead of few days. Main feature of this system was ability to create new type of reports whithout programming.* Start working as manager on new company project called "Advertising Intelligence". The main idea of the project was to show KPIs of the advertising network.Technologies stack: java, hibernate, rabbitmq, mysql, mongodb, nodejs, guice, maven, swagger, sonar, gerrit, team city Show less

● Development and support of the company’s internal portal on Joomla.● Supporting several websites for company.● Implemented extension for Jommla which connects to internal PACS (physical access control system) and shows work time of employees.● Implemented another extension to navigate over product tree in Siemens catalog. The catalog contained more than 70 thousand of items.Technologies stack: php, mysql, joomla, html, css, javascript, jquery