Etl Test Specialist
Halifax, Canada Area
Fidelity Investments - Optimal Online Query (Distributed Balances) ProjectData Quality Analyst•Involved in the creation of test plan by outlining test assumptions, risks, timeliness, build management, entry/exit criteria and deliverables•Developed complex SQL queries for querying data against different data bases for data verification process•Developed SQL scripts for verification of data at extraction phase to ensure ,transformation phase and loading phase of the data to ensure correctness of the data and also verifying the ETL mapping rules•Ensured Error logs and audit tables are generated and populated properly•Worked closely with Business users in Understanding designing and documenting the Functional testing plan and then Writing, executing, documenting the results and Logging Written ETL test specifications including test source data preparation, writing test cases to test Data Completeness, Data Transformations, Data quality, Performance and scalability, Data aggregations− match aggregated data against staging tables and/or ODS, and Granularity of data is as per specifications•Executed Test Cases with respect to Source and Target database tables.•Documented and reported on identified system testing issues in HP ALM•Actively conducted/participated in defect triage and test status meetings•Tested a number of complex ETL mappings and reusable transformations for daily data loads•Involved in creation and execution of UAT test cases•Responsible for running Informatica workflows and checking workflow logs and session logs using UNIX•Contributed in the development of knowledge transfer documentation•Tested submission API, which is responsible for submitting both parsed as well as meta events to backend•Build and executed complex SQL queries using JOINS, UNION, Nested queries and SELECT statements to validate source data to migrate from source to staging database