Software for tax management of Sberbank. Tools and technologies: Groovy, JEE,Spring, Hibernate, Maven, Oracle. Implementing server-side architecture. Keeping theprogram up to date. Development of DSL based on Groovy.

Java developer in startup project – investment web portal. Tools and technologies: Java, Spring,Hibernate, Maven, HTML, CSS, JavaScript, MariaDB. Designed and developed the customers list filtering algorithm to filter by geo-location data (i.e. radius boundary, distance, etc.). Developed global catalog of cities, towns and settlements in Russia. Implemented integration with Mandrill and Mailchimp services.

Analyzed the requirements and wrote Technical Design document for data exchange between branches of organization. Rework program client (FX) for using Hibernate and Hibernate mapping files and annotations and creating beans with Spring Core and using Process Object, DAO, Data Object, Value Object, Factory, Delegation patterns. Used Spring Aspect Oriented Programming (AOP) for transactions management. Using multi-threading for getting the files from a particular location and validating them. Connecting ERP system and other outer systems with REST API. Involved in documentation, review, analysis and fixed post production issues. Maintained the Production and the Test systems (JUnit).

Designed and developed various modules of the web-application for getting statistical data from medical institutions and analysis information. Developed server-side services using 1C-ERP server modules, and PostgreSQL. Wrote application front end with HTML, Ajax/JQuery, XHTML, DHTML and CSS. Client side validations are done using Java script. Wrote custom reports with SKD system for customers. JQuery/JavaScript was used extensively in web pages for presenting or hiding the data shown in tabs. Also Worked on several projects and provided software solutions for everyday issues in the company. Collaborated with technical and business professionals to meet the needs of clients.

Developed server side system for time-management application using 1C-ERP. Worked on web front end of that application. Acted as an onsite coordinator, responsible for effort estimation, sizing, and development & testing of tasks. Worked with business analysts to understand their business models and goals. Used PHP, REDIS No SQL System, JQuery, JSON, AJAX and also it was a project which involved creating of web-services which used to give the result in Json or XML format for the requested URI for the devices and users. Created customized dropdowns using UI Select, with selectize, select2 and bootstrap themes. Successfully implemented Auto Complete/Auto Suggest functionality using Ajax, JQuery, Web Service call and JSON.

Automation applications development. Developed software for accounting. I was involved for the technical conception, analysis, architectural design and development of large ERP project. Worked side by side with accountants during implementation and execution of the project as well as providing education and routine maintenance. Worked closely with clients to establish problem specifications and system designs. Designing, developing, and administering of large database. Creating data-related documentation: data files descriptions, table relationship descriptions and schemes, etc. Designing database structure, writing database documentation, supporting remote data supply systems. Increased efficiency automating the deployment using sql scripts, rdls, PowerShell and batch file script.

Designing complex queries, stored procedures, functions, and triggers written in T-SQL. Installing, configuring, upgrading, and migrating SQL Server environments (SQL Server 2000, 2005). Creating critical Maintenance plans for backups, recovery, and database integrity. Ensuring database security. Monitoring database performance and tuning (DMVs, Execution Plans, Database Engine Tuning Advisor, SQL Server Profiler, Spotlight). Maintaining the daily build of the Reporting system (SSIS). Supporting the ERP backend. Used ADO.NET to develop Data Access Layer, which communicates with MS SQL Server. Documenting database architecture and procedures in Microsoft Visio. Also responsible for the resolution of any trouble tickets generated by the client or internally pertaining to bugs, performance deficiencies or the development of any new output files and reports.