kalki Rethinasabapathy

Data Analyst

Chennai, Tamil Nadu 3+ yrs exp 92 · Outstanding

About

Data Analyst with 3+ years of experience transforming complex datasets into actionable business insights using SQL, Google BigQuery, and BI tools. Specialized in dashboard development, ETL processes, data modeling, and KPI reporting to support business intelligence and decision-making. Proven track record of leading BI migrations, optimizing reporting frameworks, and reducing operational costs by 35% while improving reporting efficiency and data accuracy across global manufacturing operations.

Skills & Expertise (20)

Google Looker Studio Advanced

8.5/10

Years Exp

SQL Advanced

8.4/10

Years Exp

Google BigQuery Advanced

8.0/10

Years Exp

KPI Reporting Advanced

8.0/10

Years Exp

Dashboard Development Advanced

8.0/10

Years Exp

ETL Processes Intermediate

7.5/10

Years Exp

Report Automation Intermediate

7.5/10

Years Exp

Python Intermediate

7.2/10

Years Exp

Data Validation Intermediate

7.0/10

Years Exp

Requirement Analysis Intermediate

7.0/10

Years Exp

Stakeholder Management Intermediate

7.0/10

Years Exp

Analytics Intermediate

7.0/10

Years Exp

Business Intelligence Intermediate

7.0/10

Years Exp

Data Cleansing Intermediate

7.0/10

Years Exp

Data Modeling Intermediate

6.5/10

Years Exp

MicroStrategy Intermediate

6.5/10

Years Exp

Team Mentorship Intermediate

6.5/10

Years Exp

Data Warehousing Intermediate

6.0/10

Years Exp

Microsoft Power BI Intermediate

6.0/10

Years Exp

Superset

Work Experience

Data Analyst

Sanmina Tech Services Private Limited

Apr 2023 - Present

Spearheaded the migration of 60 high-priority reports from MicroStrategy to Looker Studio, reducing BI tool costs by 35% and significantly improving reporting efficiency. Built and optimized SQL-based ETL pipelines and KPI reporting dashboard frameworks, enhancing the speed and reliability of sales and operational analytics. Collaborated with cross-functional stakeholders to gather requirements and deliver data-driven insights to translate complex requirements into actionable dashboards, improving decision-making speed by 40%. Reduced BigQuery processing costs by 25% through advanced SQL query optimization, table partitioning, and elimination of redundant functions. Performed data validation, cleansing, and quality assurance checks, ensuring 100% data accuracy for distribution to senior management. Developed and standardized reporting workflows and metrics across manufacturing plants, enabling consistent global performance tracking. Mentored junior analysts in dashboard development and SQL best practices, increasing overall team productivity.