Yamini Priyanka
Data Analyst • Saint Louis, MO • y******************@gmail.com • 660****979 • drivetube.ai/•••••
Professional Summary
Data Analyst with 5+ years of experience delivering data pipelines, BI reporting, and analytics for healthcare and financial services. Skilled in SQL, Snowflake, Databricks, Tableau/Power BI, ETL automation, and data quality validation. Proven experience translating business requirements into reporting solutions, optimizing ETL performance, and supporting UAT and compliance-driven data projects.
Technical Skills
Programming Languages: Python,Java,PowerShell
Databases: Snowflake,MS SQL Server,MySQL,Azure SQL Database,MS Access,SQL
Cloud and DevOps: AWS EC2, S3, Lambda, Step Functions,Azure ADF, Azure OpenAI integrations
Testing: Selenium WebDriver,API testing,Database testing,UAT,Test Strategy,Automation with Python and Alteryx
Data and Analytics: Tableau Desktop,Power BI,Tableau Prep,SSRS,Dashboard Development,KPI Reporting,Excel,Informatica,Alteryx,SSIS,dbt,Coalesce,Snowpipe,Streams and Tasks,Databricks,Apache Spark,PySpark,Hive,Amazon EMR,Dimensional Modeling,Star Schema,Snowflake Schema,SCD Type 1,2,ETL Architecture
Tools and Methodologies: Git,Bitbucket,JIRA
Skills: PL
Governance & Security: Snowflake RBAC,Immuta,Data Governance,Data Quality Standards
Version Control & Collaboration: GitKraken,SVN,Confluence,SharePoint
Work Experience
BJC Medical Group – Saint Louis, MO
Saint Louis, MO
Data Analyst
Aug 2025 – Till Date
Supported a large healthcare provider group's analytics and reporting needs, focusing on membership, claims, eligibility and operational reporting for provider operations.
Tech Stack: Facets, MS SQL Server, SSRS, SharePoint, Excel, Tableau, SQL
- Led requirements elicitation and authored Business Requirement Documents and supporting artifacts (use cases, spreadsheets, graphs) to scope membership, claims and provider reporting for stakeholder review using SharePoint and Excel.
- Designed and validated reporting datasets for membership and claims; performed count validation, dimensional analysis and statistical data quality checks during data migration to ensure accurate downstream reporting.
- Executed extensive testing of Facets subscriber/member modules including eligibility, enrollment and tested groups; validated outbound feeds and coordinated findings with development and QA teams during UAT.
- Built and published periodic management and operational reports, producing stakeholder-ready outputs and documenting refresh and distribution processes to support performance analysis.
- Implemented issue, change and policy management processes; created implementation guides, support documentation and tracked requirements and status via SharePoint to improve traceability.
- Provided technical data analysis and reporting support, collaborating with developers, testers and business users to ensure logical and physical data models met corporate standards and reporting needs.
TCS
Client-facing / Bengaluru, India
Data Analyst
Jun 2022 – Jul 2023
Worked on TCS internal analytics transformation to migrate legacy Excel reporting to automated BI solutions and build SQL-based reporting pipelines and stakeholder dashboards.
Tech Stack: Informatica, SQL Server, SSRS, Tableau, Python, Alteryx, Excel
- Optimized Informatica ETL workflows and SQL stored procedures, improving data pipeline throughput by ~30% through redesign and targeted performance tuning of legacy processes.
- Developed complex SSRS reports and Tableau dashboards with parameters and cross-tabs to support weekly and monthly business reporting cadences and live-data refreshes for stakeholders.
- Automated repetitive Excel and batch reporting using Python scripts and Alteryx workflows, reducing manual intervention by 40% across recurring reporting cycles.
- Designed and executed data validation and integration pipelines across heterogeneous source systems; identified root causes of discrepancies and implemented pattern-based reconciliation rules to maintain data quality.
- Gathered business and reporting requirements through UI sessions and JAD meetings; translated stakeholder needs into technical specifications and reporting acceptance criteria.
- Implemented SQL Server-based reporting pipelines and collaborated with Dev/QC teams to ensure successful UAT, deployment readiness, and documentation of reporting controls.
Deutsche | Bangalore, India
Bangalore, India
Data Analyst
May 2021 – Apr 2022
Supported enterprise data engineering for financial services (retirement, lending, wealth management) by building Snowflake-based ETL/ELT, Databricks pipelines and governance controls.
Tech Stack: Snowflake, dbt, Coalesce, Databricks, PySpark, Apache Spark, Snowpipe, Streams and Tasks, Azure Data Factory, AWS Step Functions, AWS Lambda, Immuta, LangChain, Azure OpenAI
- Designed and implemented Coalesce transformations and dbt models to standardize enterprise data pipelines; applied dimensional modelling and SCD Type 1/2 logic to enable consistent analytical datasets.
- Authored advanced Snowflake SQL including window functions and CTEs; optimized 100+ analytical queries and reduced execution time by ~30% through query refactoring and clustering strategies.
- Built native Snowflake ingestion and change-capture pipelines using Snowpipe, Streams and Tasks; developed stored procedures and automated testing patterns to support continuous data delivery.
- Developed PySpark and Spark SQL code in Databricks and on Amazon EMR to process and transform lake data; created Hive Parquet tables and curated datasets into Azure SQL DB and Databricks target layers.
- Implemented Snowflake performance tuning (warehouse sizing, clustering keys, materialized views, query caching) and automated account tasks; integrated Snowflake REST APIs for programmatic pipeline orchestration.
- Implemented data governance and security controls including Immuta-driven dynamic masking and Snowflake RBAC; built RAG pipelines using Snowflake Cortex AI, Azure OpenAI and LangChain for AI-enabled analytics while maintaining compliance.
Education
University of Central Missouri
Master of Science – Computer Science • Warrensburg, MO • 2025
NEC Engineering College
Bachelors in Computer Science • India • 2022
Certifications
Google Data Analytics Professional Certificate — Google (Coursera)
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