Senior Data Analytics and Visualization Engineer

EPAM Systems is seeking a Senior Data Analytics and Visualization Engineer to ensure the secure and high-performing delivery of Qlik-based analytics. The role involves modernizing key BI assets and supporting operational readiness while managing Qlik applications across various domains such as Finance and Supply Chain.

Responsibilities:

• Own Qlik applications within an assigned domain wave (e.g., Finance / Supply Chain)
• Gain understanding of app structure, load scripts, QVD usage, and business logic
• Assist with shadow, reverse-shadow, parallel run, and hypercare activities
• Diagnose and fix BI defects, including reload failures, data mismatches, performance issues, broken visuals, and permission/access problems, working alongside platform admin
• Validate parallel runs by comparing outputs from incumbent/vendor cycles against EPAM-run cycles
• Research discrepancies and record evidence for sign-off
• Support operational readiness by contributing to runbooks, known-issues logs, and monitoring inputs
• Assist with resolving incident and problem tickets
• Take part in assess and rationalize (4R) activities for the BI estate
• Rebuild or refactor priority Finance/Supply Chain analytics assets and data models during modernization
• Work with the data platform team and governance to align consumption patterns, definitions, and controls

Requirements:

• 5+ years of hands-on experience delivering BI solutions on Qlik Sense (on-prem and/or SaaS)
• Ability to read, debug, and enhance Qlik load scripts, data models, and front-end performance
• Background in supporting BI within production/BAU environments, including incident handling, SLAs, and a stability-first approach
• Familiarity with modern data warehouses (Snowflake preferred) and SQL-based data validation
• Strong communication skills for collaborating across functions with Product Leads, SMEs, QA, and Platform Ops
• Background in analytics transitions, vendor handovers, or service takeovers
• Knowledge of governance and access controls, such as Qlik Section Access concepts and SOX-like control environments
• Familiarity with test automation/data reconciliation tools for BI validation
• Experience with BI estate modernization, including rationalization, rebuild patterns, and semantic layer concepts