Denis Romanenko

• Collaborated with stakeholders to gather essential requirements, ensuring successful project outcomes
• Developed custom reports utilizing advanced analytics techniques, giving decision-makers valuable insights
• Provided critical support for multi-layer Mobile at Home (M&H) data processing system
• Developed DOMO dashboards for M&N offer redemptions in National sales channels reporting
• Developed data process on customer with single product (so-called "naked" customers)
• Developed comprehensive Tableau dashboard on Customer Product Intensity
• Acted as a team leader in group projects
• Tableau admin for the department
• Ad-hoc reporting. Competitive outage impact. M&H customers movement

• Implemented comprehensive automated reporting system for customer activations, renewals and migrations
• Created dashboards to monitor key performance indicators for mobility MRC and ARPU.
• Created dashboards to monitor customers allotted data usage, CHURN
• Implemented automated processes for low level data analysis on customers offers for multicultural sub-market to specific to customer porting
• Generated ad-hoc reports to evaluate specific business requirements.

• Comprehensive automated Tableau dashboard reporting with multiples data sources
• Support for financial settlement and network operations with reliable reporting and analysis in all aspect of roaming business
• Dashboard for customer profile analysis
• Dashboard for weekly roaming steering optimization
• Full Monte presentation support for roaming financials
• Wholesale service invoice validation

• Rates modeling and optimization for complex roaming agreements,
• Data analysis and reporting (including mandated by SOX legislation.
• Rates validation. Developed system for detection of incorrect charges in roaming usage on individual record level and Data Clearing House reports
• Billing system provisioning for voice and data· Credit/Debit Notes investigation and disputes resolution

· Application development for roaming analytics (Oracle, Excel)

· Data analysis and reporting regular/ad-hoc

· Monthly roaming service invoicing for finance and reconciliation

· Roaming data exchange control, evaluation and errors correction