Vinotha Rajmohan

Senior Data Analyst

Chennai, Tamil Nadu 0+ yrs exp 81 · Excellent

About

Senior Data Analyst with experience in business intelligence, data visualization, dashboard development, data validation, and reporting using Tableau, Power BI, SQL, and Excel. Promoted from Analyst to Senior Analyst within 8 months at DataZymes, demonstrating strong ownership, independent problem-solving, and consistent delivery. Experienced in translating business requirements and complex data logic into interactive analytical solutions, validating outputs, and delivering dashboards across pharma analytics. Strong expertise in Tableau dashboard development and advanced interactivity, with a focus on building scalable, user-friendly reporting solutions.

Skills & Expertise (14)

Tableau Advanced

9.0/10

Years Exp

SQL Advanced

8.0/10

Years Exp

Microsoft Excel Advanced

8.0/10

Years Exp

Databricks Advanced

8.0/10

Years Exp

Data Cleaning Advanced

8.0/10

Years Exp

Data Validation Advanced

8.0/10

Years Exp

Data Quality Advanced

8.0/10

Years Exp

Row-Level Security Advanced

8.0/10

Years Exp

LOD Expressions Advanced

8.0/10

Years Exp

Dashboard Optimization Advanced

8.0/10

Years Exp

Stakeholder Collaboration Advanced

8.0/10

Years Exp

Power BI Intermediate

7.5/10

Years Exp

Data Modeling Intermediate

7.5/10

Years Exp

Snowflake Intermediate

7.0/10

Years Exp

Work Experience

Senior Data Analyst

DataZymes Analytics Pvt. Ltd.

Nov 2025 - Present

Promoted from Analyst to Senior Analyst within 8 months for strong ownership, problem-solving, technical capability, and consistent delivery of analytics initiatives. Independently own end-to-end Tableau dashboard development, translating business requirements into analytical solutions across data analysis, calculation logic, visualization, validation, interactivity, and delivery. Developed and delivered Commercial and Competitor analytics dashboards supporting KPI, Execution, Rx Performance, HCP, Account, Territory, and business performance analysis. Validated outputs and reduced reporting cycle time by 25%. Independently built complex, high-visibility Tableau dashboards involving multi-level navigation, cascading filters, dynamic show/hide sections, parameter and navigation actions, LOD expressions, table calculations, and Row-Level Security (RLS). Translated complex Excel-based business logic into Tableau calculations, integrating and validating data across 4–5 data sources including SQL and Excel to ensure consistent reporting. Collaborate directly with stakeholders to understand requirements and deliver tailored dashboard solutions; automate recurring data validation through Databricks job runs and optimize dashboards for performance and usability.