Job Summary:
We are seeking a detail-oriented
QA Data Tester
to validate and ensure the accuracy, completeness, and quality of data across multiple systems and data pipelines. The ideal candidate will have strong experience in
ETL testing
,
data validation
,
data migration testing
, and a solid understanding of
SQL
,
data warehousing concepts
, and
cloud data platforms
(Azure Data bricks, Lakes).
Key Responsibilities:
Validate end-to-end data flows from source to target systems in ETL / data pipelines.
Perform
data integrity, transformation, and reconciliation testing
.
Analyze large datasets using
SQL
or data tools to verify accuracy and business rules.
Work closely with data engineers, business analysts, and developers to understand requirements and define test cases.
Develop and execute
test plans, test cases, and test scripts
for data processes.
Identify, log, and track data defects using tools like
JIRA
or
Azure DevOps
.
Participate in
UAT
and provide QA sign-off for data releases.
Perform regression and automation testing for recurring data validation needs.
Validate reports and dashboards (Power BI / Tableau / Looker) for accuracy against the data source.
Support
data migration
and
data quality initiatives
by performing root cause analysis on anomalies.
Required Skills & Qualifications:
Strong experience in
SQL
and relational database testing (Oracle, SQL Server, Snowflake, etc.)
Hands-on experience in
ETL testing
(Informatica, Azure Data Factory, Talend, etc.)
Good understanding of
data warehousing concepts
,
dimensional modeling
, and
data lakes
.
Experience with
cloud platforms
(Azure, AWS, or GCP) – e.g., Data Factory, Databricks, Glue, BigQuery.
Knowledge of
Python
or
PySpark
for data validation automation is a plus.
Experience with
data comparison
and
automation tools
preferred.
Strong analytical and problem-solving skills with attention to detail.
Excellent communication and documentation skills.
Preferred Qualifications:
Familiarity with
Agile / Scrum
methodology.
Exposure to
CI/CD
pipelines and testing integration.
Experience in
BI testing
(Power BI, Tableau).
Bachelor’s degree in Computer Science, Information Technology, or related field.
