Sreelakshmi G

Data Analyst

Thiruvananthapuram, India 0+ yrs exp 82 · Excellent

About

BI Developer with 2+ years of experience turning multi-source data into decisions for operations, finance, and healthcare teams. Combines SQL-based variance analysis, exploratory analysis, and Power BI dashboards to raise workforce utilization and reporting accuracy. Strong in SQL (T-SQL), Excel, and Power BI, with a record of automating recurring reports and presenting recommendations to management.

Skills & Expertise (19)

Power BI Advanced

8.5/10

Years Exp

Power Query Advanced

8.0/10

Years Exp

Data Cleaning & Validation Advanced

8.0/10

Years Exp

PivotTables Intermediate

7.5/10

Years Exp

T-SQL Intermediate

7.3/10

Years Exp

DAX Intermediate

7.3/10

Years Exp

Row-Level Security Intermediate

7.0/10

Years Exp

Stakeholder Management Intermediate

7.0/10

Years Exp

Exploratory data analysis Intermediate

7.0/10

Years Exp

Descriptive Statistics Intermediate

7.0/10

Years Exp

Root Cause Analysis Intermediate

7.0/10

Years Exp

Reconciliation Intermediate

7.0/10

Years Exp

Window Functions Intermediate

6.5/10

Years Exp

Agile Intermediate

6.5/10

Years Exp

Data Documentation Intermediate

6.5/10

Years Exp

Index-match Intermediate

6.5/10

Years Exp

XLOOKUP Intermediate

6.5/10

Years Exp

Power Automate Intermediate

6.0/10

Years Exp

Jira Intermediate

6.0/10

Years Exp

Work Experience

Power BI Developer (Business Intelligence & Analytics)

Guidehouse

Jan 2026 - Present

Partner with business stakeholders to gather requirements and translate user stories into documented business requirements for production dashboards, driving 70% end-user adoption. Design and maintain a 50M-row star-schema data model for data warehousing, applying incremental refresh and DAX tuning to cut refresh time from 3 hours to 20 minutes. Own actual-vs-plan KPI reporting for headcount, utilization, and productivity, consolidating disparate reports into a single source of truth for business planning. Manage Row-Level Security for 150 users across 8 departments, upholding data governance and confidentiality standards with zero access incidents. Present analytical findings and Power BI demos to management and project teams, and train associates in SQL (3 trained to date) to support self-service reporting. Validated and cleaned multi-source data using SQL (subqueries, aggregations), Power Query, and Excel, investigating anomalies through root cause analysis to resolve 30+ discrepancies and reach 99% reporting accuracy. Developed and tuned Power BI reports, using M-query scripting and Power Query to fetch data dynamically per parameter selection and improve dashboard load performance by 50%. Performed exploratory analysis with descriptive statistics in SQL and Excel to surface trend supporting business decision.