Nisha R

Data Analyst

Tadibs • Tiempo completo

Jan 2024 - May 2026 • 2 yrs 4 mos

• Designed, built, and maintained interactive Power BI dashboards, and KPI scorecards, engineering and optimizing 15+ automated reports and semantic data models across Finance & Controlling, IT, Marketing, and Supply Chain. • Translated business requirements into dimensional data models (facts and dimensions), KPIs, and DAX measures supporting revenue, profitability, budgets, forecasts, costs, and variance analysis. • Developed and optimized DAX measures, calculated columns, and Power Query transformations, tuning models, queries, and reports for performance and scalability on large datasets. • Wrote and optimized complex SQL queries and joins for data extraction, validation, and troubleshooting across multiple financial systems. • Integrated Power BI with SAP, Azure Blob Storage, Microsoft Fabric, and Azure Databricks, consuming and validating datasets generated through Databricks and Azure Data Factory ETL/ELT pipelines. • Performed data reconciliation and quality checks between source, curated (bronze, silver, gold), and reporting layers, partnering with global Finance, Data, and Technology teams to establish data quality baselines and eliminate reporting discrepancies by 65%. • Implemented Row-Level Security and managed report access, workspaces, publishing, gateways, and automated refresh schedules in Power BI Service, saving 20 weekly engineering hours. • Collaborated with data engineering teams, analysts, and business stakeholders to deliver reliable reporting, and troubleshot data and reporting issues across environments.

Data Analyst

SWELLWELL • Tiempo completo

Jul 2023 - Dec 2023 • 5 mos

• Optimized data pipelines using SQL-based query tuning and data cleansing, streamlining the flow of data into Power BI and reducing overall processing time by 30%. • Developed executive Power BI dashboards and business performance reports, integrating sales, market, customer, and web analytics data from multiple sources into interactive visualizations and KPI views. • Integrated Google Analytics data to monitor and validate quality across web and marketing sources, supporting the marketing team's daily performance targets through enterprise-ready reporting.

Financial Analyst Intern

Deloitte • Tiempo parcial

Jul 2022 - Sep 2022 • 2 mos

Developed and evaluated time-series forecasting models using ARIMA, ARMA, and SARIMAX in Google Colab to analyze and forecast six months of stock price movements for two Indian public sector banks, supporting comparative financial trend analysis. • Performed data preprocessing, feature engineering, and model evaluation using Python, NumPy, Pandas, and Scikit-learn, generating analytical insights and visualizations to compare forecasting performance and identify investment trends.