Sazzad Hossen

Data QA Engineer

BusyQA•  March 2022 - Present•  Bangladesh

Extracting and validating test cases using data from hundreds of rows of almost 25 tables and making 5 plus pages report with SQL validation. Extracted relevant data from Kaggle, RoboFlow and transformed it into power query for processing and cleaning then visually appealing charts and graphs. Employed advanced SQL queries to uncover valuable insights regarding functional and regression testing, data analysis, wedding budget trends, vendor satisfaction, outlier detection and customer preferences. Provided the QA team with weekly dashboards that provided actionable insights, enabling informed decision-making, and enhancing product development strategies.

Oracle Apex Developer

Infinity Technology International Ltd.•  February 2021 - January 2022•  Bangladesh

Developed complex SQL Queries on Oracle Apex that was deployed to the Oracle Application Server. Utilized Oracle Apex Data Transformation processes to clean, transform, and enhance the extracted data before loading into the data warehouse. Conducted performance testing and optimization of Oracle Apex applications and processes. Utilized SQL and PL/SQL profiling tools to identify and resolve performance bottlenecks.