Sirisha Polamuri

Data Analyst

Kroger

May 2025 - Present

Analyzed sales, inventory, and customer data across 200+ SKUs to surface demand trends, helping reduce peak-season stock-outs by ~18%. Built Tableau dashboards for sales and marketing covering revenue, basket size, and funnel conversion, enabling weekly data-driven reviews. Developed SQL queries and data validation checks to ensure reporting accuracy and maintain high-quality datasets. Collaborated with business, sales, and marketing teams to gather reporting requirements and deliver actionable insights. Monitored KPIs including revenue, conversion rate, customer retention, inventory turnover, and order fulfillment to support business decisions. Performed RFM-based customer segmentation in SQL and Python, supporting targeted promotions that lifted repeat-purchase rate by ~10%. Automated recurring SQL and Excel reports using Power Query and scheduled queries, saving ~6 hours of manual effort per week. Conducted funnel and drop-off analysis on the online grocery journey, identifying checkout friction points that informed UX improvements.

Data Analyst

MasterCard

Jan 2024 - May 2025

Built and automated 15+ Power BI dashboards tracking transaction volumes, authorization rates, and payment-fraud KPIs, reducing manual reporting effort by ~40% across the analytics team. Wrote and optimized complex T-SQL queries (CTEs, window functions) on multi-million-row transaction tables, cutting average report refresh time from ~25 minutes to under 8. Ran cohort and churn analysis in Python on cardholder segments, informing retention initiatives that improved 90-day active-card retention by ~12%. Developed reusable SQL views and Power BI data models to standardize KPI reporting across business teams. Performed data quality validation and reconciliation to ensure accuracy and consistency of payment transaction datasets. Collaborated with product, finance, and operations teams to gather reporting requirements and deliver actionable business insights. Designed A/B tests for cross-sell and card-activation campaigns and presented results to product stakeholders, contributing to a ~9% conversion uplift on the winning variant. Partnered with risk and compliance teams to deliver accurate regulatory and MIS reports, maintaining 100% on-time submission.

Data Analyst

Riverstone Resources, LLC

Jun 2021 - Dec 2023

Extracted, cleaned, and transformed claims and policy data using SQL and Python, improving data quality by resolving duplicate and missing records. Developed interactive Power BI dashboards to monitor claims turnaround time, settlement ratios, policy renewals, and operational SLA performance. Performed ad-hoc analysis on policy, premium, underwriting, and claims data to support business, finance, and audit teams. Built automated data validation and reconciliation checks, reducing reporting errors and improving monthly reporting accuracy. Optimized SQL queries to improve reporting performance and accelerate data retrieval from large insurance datasets. Collaborated with cross-functional stakeholders to gather reporting requirements and deliver actionable business insights. Analyzed operational KPIs and trends to identify process improvement opportunities and support data-driven decision-making. Worked in an Agile environment, participating in sprint planning, daily stand-ups, and sprint reviews to deliver analytical solutions.

Associate for GPAY process

WIPRO LIMITED

Oct 2019 - Mar 2020

Business Operations Process Associate

Accenture Solutions Private Limited

Mar 2018 - Jul 2019