Sergey Marushchenko Email & Phone Number

Moscow, RU

Moscow, Moscow City, Russia

• Participation in pre-sales activities:- Development of the concepts of the Data Platform- Designing the functional and technological architectures of the Data Platform for various customer segments- Participation in.
• Consulting on the design of big data platforms
• Preparation of training materials on introduction to big data
• Designing the new analytical platform of the United Credit Bureau. The plaform is intended to realize and provide different production services like scoring, triggering and benchmarking to the Bureau clients in the.

Moscow, Moscow City, Russia

Functional analysis of IT systems and organizational interaction. Consultations regarding hardships of Business Intelligence and Data Warehouse implementation.

Moscow, Moscow City, Russia

• Formation of bigdata platform integration department within bigdata division
• Department functional organization
• Participation in the design of technological and functional concepts and architecture of the integration layer
• Participation in the design of data layers to build a Data Lake
• Participation in the development of data quality control methodology
• Control the development of batch and streaming loading mechanisms

Moscow, Moscow City, Russia

• Oracle to Hadoop replication routine developmentDeveloping utility to reduce high load on Oracle database based data warehouses. The main goal of the tool is periodical determining of changed segments and replicating.
• Working Capital implementation projectManaging a team of subcontractor during implementation of Russian OpCo unit of global Wroking Capital project. Working-out of common structure and architecture of OEBS's data.
• BusinessObjects integration to OEBSInvestigation of technical aspects of integration. Preparation of documents on integration architecture and Oracle development specific requirements. As a future step of analytical.
• Integration of joint companies’ systems to OEBSInvestigation of integration solution using Informatica PowerCenter platform. Design of integration architecture documents. Development prototypes of integration routines.
• Self-implemented tracking systemDesign and development of change tracking system for internal usage within OEBS implementation devision. The system is built on Oracle APEX technology, based on abstract model.

Moscow, Moscow City, Russia

• Calculation module is built on Oracle database server and consists of two parts:
• distribution routines
• control routines of distribution, export from Oracle and import to analytical system processesDistribution of Expenses conforms to hierarchical model designed by end-user and produces hundreds millions data records. To.

Moscow, Moscow City, Russia

• OEBS implementation at KarTelDesigning architecture of development approach to same-code base (universal code while different setup) for different installations of Vimpelcom’s and KarTel’s OEBS instances to simplify.
• OEBS regional rollout projects at VimpelcomArchitectural design and partial implementation of seed data migration infrastructure. Development of account payables and general ledger data migration routines.
• Third line support of OEBSProblem solving, bug fixing, development of new functionality and reports according to business requirements. Maintenance of Service Requests to Oracle Support service.
• Cramer OSS implementation at VimpelcomAt the initial phase of the project, assisting in planning of the configuration and installation of Oracle products stack of Cramer platform.

Simferopol, Crimea, Russia

• Jail Management System (JMS) is a part of Mississippi Automation System Project (MASP)Scrutiny of the background and causes of the project and designing architectural and UI requirements. Design of the object model of.

Simferopol, Crimea, Russia

• Development of Service Inventory SystemDesign of database model of the system. Development of Oracle database routines to communicate with Weblogic java based middle tier. Analysis and training java team to Oracle.
• Development of KOFA systemInitially, development of Oracle database server-side routines and stabilization of the system functionality. Afterwards as a technical manager and architect I managed issues and designed.
• Development of TAX systemInitially, development of server side functionality of this Oracle database based client-server system and overall technical management of the consequent evolution of the system afterwards.