Summary
Overview
Work History
Education
Skills
Websites
Certification
Timeline
Generic

Mahder Gedamu

Washington

Summary

Results-oriented BI Developer with over 9 years of experience in data warehousing, ETL development, and data visualization. Proficient in Tableau, Power BI, and SSRS, with a strong command of SQL Server, T-SQL, and Informatica for building scalable, high-impact analytics solutions. Adept at analyzing business requirements and translating them into effective dashboards, reports, and data models. Experienced in developing and optimizing ETL pipelines using SSIS and ADF, and collaborating with stakeholders to deliver actionable insights. Known for strong communication skills, attention to detail, and commitment to continuous learning in BI technologies.

Overview

10
10
years of professional experience
1
1
Certification

Work History

Database | BI Developer

Health Catalyst
01.2024 - Current
  • Translated business requirements into detailed functional and technical specifications, identifying optimal data sources, designing data flows, and defining reporting structures to support decision-making.
  • Developed and optimized complex SQL queries for efficient data extraction and transformation, powering dynamic Power BI dashboards that provided real-time, actionable insights to cross-functional stakeholders.
  • Designed and implemented robust ETL processes using SSIS, integrating and cleansing data from multiple sources to populate a centralized data warehouse, improving data availability and reliability.
  • Built interactive dashboards and visualizations in Power BI and Tableau, consolidating key metrics from diverse systems to enhance visibility, enable ad hoc analysis, and drive data-informed business strategies.
  • Collaborated with business users and technical teams to ensure alignment of BI solutions with organizational goals, proactively identifying opportunities for data visualization improvements and process automation.

Data Management, Power Platform Specialist

Ethio Telecom
12.2015 - 12.2023
  • Collaborated with stakeholders to define reporting requirements, delivering tailored solutions that aligned with business objectives.
  • Worked with Business Systems Analysts to validate existing and new solutions through comprehensive testing and impact analysis.
  • Developed and maintained SQL scripts for automated reporting processes, enhancing operational efficiency and data accessibility.
  • Translated complex business requirements into effective solutions using PowerApps, SharePoint, and SQL Server.
  • Developed SSRS reports to provide comprehensive insights and facilitate data-driven decision-making within the organization.
  • Assisted in data migration projects, ensuring smooth transitions between environments while maintaining data integrity and quality.

Education

Nanodegree - Data Analysis And Visualization

Udacity
USA
03-2025

Master of Science - Computer Science

Admas University
Addis Ababa, Ethiopia
09-2021

Bachelor of Science - Information Technology

Wolita Sodo University
Wolita Sodo, Ethiopia
06-2015

Skills

  • Tableau (Desktop & Server) – Dashboards, visualizations, interactive reports
  • Power BI – DAX, Power BI Service, Data Flows, and custom visuals
  • SSRS – Enterprise-level reporting and distribution
  • Data Visualization – Design of clear, impactful visuals for business insight
  • Business Requirements Analysis – Translating business needs into technical solutions
  • SQL / T-SQL – Complex queries, performance tuning, stored procedures
  • ETL Tools – SSIS (SQL Server Integration Services), Azure Data Factory (ADF), Informatica
  • Data Warehousing – Dimensional modeling, schema design, centralized data systems
  • Data Modeling – Designing relationships, calculated fields, and measures
  • Python – Basic scripting for analysis and automation
  • Power Automate – Automating workflows and report-driven actions
  • Dataverse – Data storage and schema management in the Power Platform
  • Stakeholder Engagement – Gathering requirements and delivering insights
  • User Training & Documentation – Supporting adoption through clear communication
  • Agile Team Collaboration – Working cross-functionally with data engineers and analysts

Certification

  • Data Analysis and Visualization- Nov.2024 - Mar. 2025 www.udacity.com/certificate/e/90812388-a128-11ef-ab43-e73c2d5fb3a0.

Timeline

Database | BI Developer

Health Catalyst
01.2024 - Current

Data Management, Power Platform Specialist

Ethio Telecom
12.2015 - 12.2023

Nanodegree - Data Analysis And Visualization

Udacity

Master of Science - Computer Science

Admas University

Bachelor of Science - Information Technology

Wolita Sodo University