Data Analyst – Advanced Excel Expertise

About the role

BigTapp Analytics is looking for a Data Analyst with strong Advanced Excel expertise to work on corporate tax data and related personal information. The role focuses on assessing data availability, quality, consistency, validity and timeliness across multiple systems.

Key responsibilities

• Analyze corporate tax data to determine data availability, quality and usability.
• Review individual data fields for completeness, accuracy, consistency, validity and timeliness.
• Establish Data Quality scores and identify data gaps across systems.
• Validate data against business rules, standards and expected formats.
• Perform data profiling and reconciliation to uncover inconsistencies.
• Document findings, gaps, dependencies and recommend improvement areas.
• Support the design of scalable processes for data collection, validation and maintenance.

Required profile

• Minimum 3 years of experience in data analysis.
• Strong analytical and problem‑solving abilities with high attention to detail.
• Ability to work with business stakeholders to define data requirements and business rules.

Required skills

• Advanced Excel for data analysis, validation, reconciliation and reporting.
• SQL for data extraction and manipulation.
• Data Quality assessment, data profiling, data validation and data reconciliation.