Madhurima B.
Senior Data Analyst @Cigna Healthcare
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WORK HISTORY
Senior Data Analyst @Cigna Healthcare
MI, US
Involved in complete Agile Requirement Analysis, Development, System, and Integration Testing.• Perform data analysis and reporting tasks, utilizing SQL, Python, and Excel for data manipulation and analysis.• Utilizes Snowflake for querying, analyzing, and deriving insights from data stored in the Snowflake data warehouse.• Creates and executes complex SQL queries, performs statistical analysis, and builds machine learning models using Snowflake data.• Migrating data to/from staging table in SQL from multiple data sources including Excel, CSV flat files, and other SQL servers.• Designed and developed data pipelines and ETL processes to extract, transform, and load data into cloud - based data warehousing solutions such as Amazon Redshift and Google Big Query.• Participating in gathering business requirements from Businesspeople and Stakeholders (Regional Managers) for Tableau reports and support the implementation and customization of Tableau reports.• Reviewed the business requirements and actively worked with the business team to get clarification.• Collaborated with business stakeholders to provide ongoing monitoring status reports and enhancement recommendations for BI solutions.• Created custom Tableau reports using SQL and advanced Tableau mapping techniques.• Extensive experience in working with multiple data connections, blending data, and managing queries.• Participate in meetings and discussions to understand business problems and provide data-driven insights.• Worked on database design and query optimization, as well as providing several periodic and custom reports, resulting in a 30%decrease in query execution time and improving database efficiency.• Conduct ad-hoc data analysis requests and provide timely deliverables.• Prioritize and manage multiple analytical tasks to meet project deadlines.• Contribute to the development of data-driven strategies by providing insights and recommendations.
EDUCATION
Western Michigan University
Master's degree
ABOUT MADHURIMA B.
4+ years of experience as a Data Analyst with a strong foundation in data analysis, statistical techniques, and data visualization, data manipulation, data wrangling. Good knowledge of Software Development Life Cycle (SDLC) and various methodologies such as Agile and Waterfall.• Demonstrated expertise in relational databases, with a proven track record of creating complex queries and performing optimizations using SQL.• Skilled in extracting, cleaning, and transforming large datasets from various sources using SQL, Excel, and Python to ensure data accuracy and integrity.• Demonstrate proficiency in Pivot Tables and Charts for in-depth data analysis and visualization.• Strong technical and quantitative background, coupled with exceptional digital analytical skills.• Proficient in synthesizing complex scenarios to develop impactful solutions, actionable options, and strategic action plans.• Managed and optimized Snowflake data warehouses, ensuring secure, scalable, and high-performance data storage and retrieval.• Proficient in data visualization tools such as Tableau or PowerBI to create compelling visualizations, dashboards, and reports.• Proficient in analyzing complex datasets, identifying patterns, and extracting actionable insights to support business decision-making.• Understanding of Data Warehousing concepts, Data Analysis, Data Warehouse Architecture, and Designing.• Collaborates effectively with cross-functional teams to understand business requirements and translate them into data analysis tasks.• Strong attention to detail, ability to manage multiple projects and meet deadlines, while maintaining data integrity and quality standards.• Highly skilled in Tableau Desktop for data visualization, utilizing various chart types such as Cross Map, Scatter Plots, Geographic Map, Pie Charts, Bar Charts, Page Trails, Heat Map, and Density Chart.• Working Knowledge of developing and maintaining Test plans, Test Scripts, and Log Sheets, reviewing and documenting defects using the HP Quality Centre.• Understanding of Skills Such as Time management, Leadership and Management, Problem-solving, Design thinking, Negotiation, Decision Making, Documentation and Presentation, and Verbal communication.• Proven Knowledge of database management in writing SQL queries using complex joins, grouping, aggregation, nested subqueries, and resolving key performance issues.• Good Knowledge of Documentation Like Business Requirement Documents (BRD) and Functional Requirement Documents (FRD) and systems.
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