Summary
Overview
Work History
Education
Skills
Timeline
Generic

Venkata Sai Manish Vathumilli

Valley

Summary

• Seasoned Data Analyst and Power BI Developer with over 7 years of experience delivering trusted analytics and reporting solutions for banking, telecom, and healthcare organizations.

• Recognized for building clean, scalable Power BI solutions from data ingestion through visualization, including advanced data modeling, DAX, security design, and performance optimization.

• Strong background in SQL and Python with hands-on experience developing reliable ETL pipelines and data transformations across on-prem and cloud environments.

• Adept at turning complex, multi-source data into clear dashboards and KPIs that support executive decision-making and day-to-day business operations.

• Experienced in working with large, enterprise datasets while maintaining data accuracy, consistency, and governance across SQL Server, Oracle, flat files, and cloud platforms.

• Proficient in automating reporting workflows and business processes using Power Automate, Power Apps, and scripting to improve efficiency and reduce manual effort.

• Collaborative and detail-oriented professional who works closely with stakeholders, SMEs, and Agile teams to understand business needs and deliver practical, high-quality analytics solutions.

Overview

6
6
years of professional experience

Work History

Power BI Developer

Capital One
08.2023 - Current
Capital One – Power BI Developer

United States | Aug 2023 – Present

• Engage with business stakeholders and SMEs to gather requirements and translate complex business needs into scalable Power BI and analytics solutions.
• Design, develop, and maintain end-to-end Power BI dashboards and paginated reports, including data modeling, DAX calculations, row-level security, and performance optimization.
• Develop and optimize SQL Server database objects such as stored procedures, views, functions, indexes, and triggers across development and production environments.
• Integrate data from multiple enterprise sources including SQL Server, Oracle, Excel, CSV files, and clickstream logs, ensuring clean, accurate, and reliable datasets.
• Build Power Automate workflows and Power Apps solutions to automate reporting processes, approvals, and data capture, reducing manual effort and turnaround time.
• Create SSRS and Power BI paginated reports, manage report subscriptions, scheduling, and secure access for end users.
• Enhance report usability through advanced visuals, bookmarks, synced slicers, KPIs, and interactive drill-through functionality.
• Support capital markets analytics initiatives and lead continuous improvements to reporting performance, data quality, and business adoption.



Data Analyst

Verizon
02.2021 - 07.2023

• Developed and automated ETL workflows using Python and Hive to process large-scale datasets, improving efficiency and data reliability.
• Designed and optimized complex SQL queries to support analytics and reporting, significantly reducing query execution time.
• Built and maintained Microsoft Access databases, improving schema design, enforcing referential integrity, and tuning performance.
• Automated data ingestion from Excel, CSV, and external systems, ensuring consistent and error-free data processing.
• Created interactive dashboards and reports using Power BI and Excel, translating complex data into actionable business insights.
• Developed VBA scripts to automate routine database tasks, reducing manual workload and operational errors.
• Supported big data and cloud initiatives using Hadoop, Spark, and AWS integrations.
• Conducted training sessions and documentation to enable business users to adopt self-service reporting tools.

Data Analyst

Standalone IT Solutions
07.2019 - 01.2021

• Collaborated with business stakeholders and Agile teams to gather requirements and deliver analytics solutions for healthcare and enterprise clients.
• Collected, cleansed, and transformed data from SQL Server, Excel, flat files, and cloud sources for reporting and analysis.
• Performed exploratory data analysis (EDA) using Python to uncover trends, patterns, and insights.
• Developed optimized SQL queries, stored procedures, and ETL pipelines to support reporting and operational analytics.
• Built interactive dashboards and KPI reports using Power BI and Tableau to enable real-time performance monitoring.
• Automated data pipelines using SSIS and Python, ensuring high data accuracy and timely availability.
• Supported cloud migration initiatives and automated report refresh processes in collaboration with DevOps teams.
• Mentored junior analysts, promoting best practices in SQL, Python, and data visualization.

Education

Masters of Mangement Information Systems -

Auburn University Montgomery
Montgomery, AL

Skills

    Business Intelligence & Visualization
    Power BI, Power BI Service, Power BI Paginated Reports, DAX, Power Query, Tableau, SSRS, SSAS, Qlik Sense, Excel (Pivot Tables, Advanced Formulas), KPI Dashboards, Data Visualization

    Programming & Scripting
    Python (Pandas, NumPy, Matplotlib, Seaborn), SQL, T-SQL, PL/SQL, VBA, JavaScript, HTML5, CSS, Shell Scripting

    Databases & Data Modeling
    SQL Server, Oracle, MySQL, PostgreSQL, Microsoft Access, Teradata, MongoDB, Database Design, Data Modeling, Star Schema, Snowflake Schema, OLTP, OLAP

    ETL & Data Engineering
    SSIS, Informatica, ETL Pipelines, Data Extraction, Transformation & Loading, Data Validation, Incremental Loads, Bulk Insert, BCP

    Big Data Technologies
    Hadoop, Spark, Hive, HDFS, Spark SQL, Airflow

    Cloud Platforms & Services
    AWS (S3, Redshift, DynamoDB, Lambda), Azure (SQL Database, Blob Storage, Data Factory), Google BigQuery

    Automation & Power Platform
    Power Apps, Power Automate, Power BI Dataflows, Power BI REST API, SharePoint, MS Lists, Nintex, InfoPath

    Reporting & Analytics
    KPI Design, Forecasting, Statistical Analysis, Predictive Modeling, Exploratory Data Analysis (EDA), What-If Analysis

    Development & DevOps Tools
    Visual Studio, SQL Server Data Tools (SSDT), Git, Jira, Terraform, Jenkins, Docker, Kubernetes

    Methodologies & Compliance
    Agile, Scrum, SDLC, UAT, JAD, Requirements Traceability Matrix (RTM), HIPAA, SOX, HL7, FDA Compliance, EDI Transaction

Timeline

Power BI Developer

Capital One
08.2023 - Current

Data Analyst

Verizon
02.2021 - 07.2023

Data Analyst

Standalone IT Solutions
07.2019 - 01.2021

Masters of Mangement Information Systems -

Auburn University Montgomery
Venkata Sai Manish Vathumilli