Etl Tester

4 days ago


Singapore ANTAS PTE. LTD. Full time

**Key Responsibilities**:

- Analyze business and technical requirements to develop comprehensive ETL test plans and scenarios.
- Perform functional, regression, system, integration, and UAT testing of ETL processes.
- Validate data extraction, transformation, and loading from source to target systems, ensuring accuracy and completeness.
- Write and execute SQL queries to verify data transformations and business rules.
- Identify, document, and track defects, and work closely with development teams for resolution.
- Collaborate with developers, data analysts, and business teams to ensure seamless data flow and quality.
- Automate ETL testing processes where feasible.
- Prepare detailed test documentation, including test cases, scripts, execution logs, and reports.

**Required Skills & Experience**:

- Bachelor’s degree in Computer Science, Information Technology, or related field.
- 6 years of experience in ETL/Data Warehouse testing.
- Strong SQL skills for data validation and query optimization.
- Experience with ETL tools (e.g., Informatica, Talend, DataStage, SSIS, Pentaho).
- Familiarity with data warehousing concepts, dimensional modeling, and BI reporting tools.
- Experience in defect tracking tools (e.g., JIRA, HP ALM).
- Knowledge of automation testing tools for ETL (e.g., QuerySurge, Selenium with SQL, Python scripts) is a plus.
- Strong analytical, problem-solving, and communication skills.

**Preferred Qualifications**:

- Experience with cloud-based data platforms (AWS Redshift, Azure Data Factory, Google BigQuery, Snowflake).
- Knowledge of Agile/Scrum methodologies.
- Understanding of big data ecosystems (Hadoop, Spark) is an advantage.


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