NAHOM WOLDAHAYMANOT

Data Analyst / Tableau Developer

Phone: 407-***-**** ~ Address: Charlotte, NC ~ Email: ad44lj@r.postjobfree.com

LinkedIn Profile Tableau Dashboards

PROFILE

A seasoned Data Analyst and Tableau Developer with 5yrs versatile background spanning retail, healthcare, and financial services. Proficient in leveraging relational database management, SQL, Tableau, Power BI, Python, SSIS, Erwin Data Modeler, and Excel to deliver comprehensive data solutions. Demonstrated success in driving actionable insights through the complete SDLC(Jira). Adept at transforming complex data into actionable insights. Expertise in crafting compelling and interactive dashboards and reports with Tableau, empowering stakeholders across all levels of the organization. Committed to continuous learning and staying abreast of emerging data trends and technologies.

SKILLS

•Data Process Automation

•Problem Solving

•Creative Insights

•Critical Thinking

•Data Screening

•Teamwork Skills

•Filtering Results

•Data Segmentation

•People Skills

•Data Collection

•Analysis, Reporting

•Trend Alignment

•Identify Patterns

•Database Development

•Building Data Models

•Data Mining

•Presentations

•Documentation

TECHNICAL SKILLS

Business Intelligence tools

Tableau Desktop, Power BI, Excel, and PowerPivot, SSRS

Querying language

SQL, PL/SQL, TSQL, PYTHON, SAS

Querying tools

SQL Management Studio, MySQL Plus, PL/SQL

ETL/Other Tools

SSIS, Tableau Prep, SAS Base, SAS Enterprise Guide, SSIS (Visual Studio), Erwin Data Modeler, ER Assistant

Databases

MS SQL Server, Teradata, MySQL, Oracle, DB2

Operating Systems

Windows Server, Mac

Cloud Computing Tools

Snowflake, AWS, MS Azure, Tableau Server, Power BI Online

SDLC

Agile (Jira) and Waterfall, Confluence, Smartsheet, PowerPoint, SharePoint

PROFESSIONAL EXPERIENCE

The Home Depot, Inc March 2023 – Present Atlanta, GA Data Analyst / Tableau Developer

•Developed and maintained interactive dashboards using Tableau, providing key stakeholders with real-time insights into sales performance, inventory, and customer behavior.

•Collaborated with cross-functional teams to define business requirements and translated them into effective data models using Erwin Data Modeler.

•Collaborated with IT teams to ensure data quality, security, and compliance with SDLC best practices.

•Utilized Tableau to enhance reporting capabilities and provide executive-level insights into market trends, product performance, and customer segmentation.

•Presented actionable insights to senior leadership, enabling data-driven decision-making at the strategic level.

•Conducted in-depth analysis of customer behavior and preferences, contributing to targeted marketing strategies and personalized customer experiences by using SQL and Tableau.

•Implemented ETL processes using SSIS for seamless data integration and transformation.

•Optimized SQL queries for reporting, reducing query execution time and improving overall system performance.

•Developed custom Tableau dashboards for store managers, enabling real-time monitoring of key performance indicators.

•Conducted user acceptance testing (UAT) and provided post-implementation support to ensure the accuracy and reliability of analytical solutions.

Cardinal Health August 2021 – Feb 2023 Dublin, OH Data Analyst / Tableau Developer

•Developed and implemented data-driven Tableau dashboards that reduced medication errors by 20%.

•Analyzed clinical trial data and identified key factors influencing patient outcomes leveraging complex SQL.

•Successfully migrated healthcare data to a new cloud platform (Snowflake), ensuring HIPAA compliance.

•Developed and presented data-driven insights to senior leadership, influencing key strategic decisions.

•Identified and addressed data quality issues, ensuring the accuracy and reliability of analytical results.

•Created interactive Tableau dashboards and reports leveraging data blending, parameters, actions, show and hide, and other tableau functions that track key performance indicators (KPIs) and measure program effectiveness.

•Collaborated with clinicians and researchers to develop data-driven solutions for specific healthcare challenges.

•Analyzed claims data to identify areas for cost reduction and improve healthcare resource utilization using SQL and Excel.

•Utilized Tableau data visualization techniques to identify trends and patterns in patient populations and clinical outcomes.

•Developed data-driven solutions to improve patient engagement and adherence to treatment plans.

•Participated in the development of clinical decision support systems and electronic health records (EHRs).

PROFESSIONAL EXPERIENCE

American Express Company April 2019 – July 2021 New York, NY Data Analyst / Tableau Developer

•Collaborate with cross-functional teams to gather requirements and develop custom data visualizations, reports, and dashboards using Tableau Desktop and Tableau Server.

•Analyze large datasets to identify trends, patterns, and insights, and communicate findings to senior leadership and stakeholders using SQL and Tableau.

•Analyzed and reported on customer behavior, market trends, and transactions using SQL, Excel, and Tableau.

•Gathered and analyzed data to inform marketing strategies, product development, and operational improvements.

•Automated data extraction and transformation processes using Python, SSIS, and Excel to improve operational efficiency and accuracy.

•Collaborated with cross-functional teams to identify key performance indicators (KPIs) and create custom reports to monitor business performance and trends and track projects using Jira.

•Conducted thorough data analysis to identify patterns, trends, and anomalies, providing strategic recommendations for process optimization and risk mitigation.

•Played a key role in the development and maintenance of enterprise data warehouses, ensuring data integrity and accessibility for reporting and analytics purposes.

•Collaborated with business stakeholders to gather requirements, perform data profiling, and create data mappings for successful implementation of data integration projects.

•Analyzed data from multiple sources to identify trends and insights, leading to the identification of a new customer segment and a 10% increase in revenue from that segment.

EDUCATION

Florida International University

Bachelor of Science

Public Relation and Applied Advertising,

Marketing

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