* Market research* Customer development* Product growth points search* Product team assembly: QA, developers, designers, tech artists, VA, marketing, HR, etc.

• developing map-reduce jobs on Spark (Scala),• developing the platform for insurance companies (Groovy, Gradle, Grails),• automating of onboarding process routines,• creating unit tests on Groovy’s Spock,• inculcation of karma.js for front-end unit testing,• Grails app cold start time tuning,• SQL performance and Grails app connection pool tuning, • inculcation of RESTful API principles,

• building a RESTful API and other web services for creating media advertising campaigns:– developing back-end logic (Java and Microsoft SQL Server),– CORBA servant and RESTful web-service for front-end service,– XML-RPC API for outer clients,– creating of a Service Layer,– inculcation of JPA 2.1 (Hibernate ORM),– automating RESTful API documentation generation using Swagger (including some contribution to the project on github),– moving from Spring IoC to Guice as a primary DI container,– adding support for Yandex.OAuth using Shiro,• proposed and adopted the whole new development workflow:– automating building, packaging (.deb package) and deployment of the whole service, – inculcation of unit testing,– moving from svn to git changing source code evolution using git tools,– moving from ant to maven build system,• detecting and eliminating security vulnerabilities such as XSS and SQL injection.• improving performance of the services,• adding monitoring feature and improving logging,• developing some utility and testing scripts using Python.

• developing electronic trading platforms: bugs fixing and adding new features (C#, Microsoft SQL Server),• developing the «Microcredit» project (C#, Microsoft SQL Server),– creation of some main functional blocks: CMS, registration, authorization, deal negotiating process,– bug fixing, other functional block improving and testing,– creation of a module for message sending (sms, email, internal),– implementingbackgroundjobs:processingpayments,dealsandusers,sendingmessages,– adoption of SignalR,• automatization of some routines (creation of platforms’ backups, log analysis, scripts for CI-system CCNET, platform updates)

developing «SBIS++: Workflow» using proprietary GUI framework for Windows written in C++supporting users with their problems with products