Position: DQ Engineer/SQL Developer
Category: Data Engineer
English level: intermediate
Years of experience: 11

Relational databases: SQL Oracle (PL/SQL), PostgreSQL, SyBase IQ
JavaScript (React, Redux, Saga), Web and Web Services
Unix, Windows
Jira, Kanban, Agile
Git, GitHub
C/C++
REST, SOAP, XML, JSON, HTML, CSS
Deep knowledge of telecommunications architecture and network elements
Deep knowledge in software design, development, implementation, testing and support
Deep knowledge in DQ process
Project:
•	Mediation device for data collection and preprocessing  (IN, VLR, SMSC, SGSN, MMSC) and subscribers services control (IN, HLR, VoMS, Voicemail)
•	CRM subsystem for CRM campaigns management, CRM statistics reporting, CRM analytics
•	Hot-billing system for offline VAS charging – fully functional convergent billing system optimized for fast and flexible service billing and charging
•	CORBA/SOAP based online charging subsystem
•	DWH and reporting subsystem
•	Subscribers migration module for Prepaid-postpaid migration
•	Subscribers notification module for flexible SMS and USSD subscribers notification and alerts
•	SIM management system
•	Customer care frontends
•	Monitoring subsystem
•	IT infrastructure integration (SAP R/3 and other accounting interfaces)
•	Fraud prevention system
•	Revenue sharing billing system for prepaid subscribers
•	Mobile network configuration DWH
•	IN monitoring\fraud prevention system
•	Campaigns management system for prepaid subscribers
•	Revenue sharing for postpaid subscribers
•	Revenue sharing and dealers management system
•	Data Quality FrameWork
•	Data Quality Process