Results-driven SQL QA Engineer with experience in ETL testing and data validation. Expertise in requirements analysis, defect tracking, and executing comprehensive test plans to ensure accurate data transformation and migration.
Overview
1
1
year of professional experience
Work History
Data Analyst / SQL QA Engineer
Ethiopian Revenue & Customs Authority
Addis Ababa, Ethiopia
08.2016 - 04.2017
Confirmed accuracy of large‑scale tax data imports by writing and executing complex T‑SQL queries, validating millions of records across multiple systems.
Analyzed and tested stored procedures, triggers, functions, constraints, and transaction logic to ensure correct data transformations.
Developed and optimized SQL queries, views, and stored procedures used for backend operations and real‑time reporting.
Built and tested SSIS ETL packages for data migration, ensuring correct mapping, transformation, and load accuracy.
Collaborated with business analysts and data engineers to review requirements, identify gaps, and translate business rules into test cases.
Executed test plans covering normal, exceptional, and anomalous data scenarios; documented results and verified defect fixes.
Participated in SDLC phases including requirements gathering, development, testing, deployment, and maintenance.
Education
Associate of Science - Computer Science
Dallas College
Dallas, TX
05-2022
Bachelor of Science - Computer Science
St. Mary University College
Addis Abeb, ETHIOPIA
05-2013
Skills
Advanced SQL (T‑SQL, ANSI‑89/92)
Stored Procedures, Triggers, Functions
Data Validation & Backend QA Testing
ETL Testing (SSIS, Data Migration)
Requirements Analysis & Gap Identification
Test Plans, Test Cases, Peer Review
Data Modeling & Relational Databases
Excel (Advanced), SQL Server, MySQL, Oracle
SDLC, Agile, Documentation & Communication
Defect Tracking & Troubleshooting
Large Dataset Verification (100K–Millions of Records)
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