Design and execute ETL test plans to validate extraction, transformation, and loading processes. Perform source-to-target SQL validations, data reconciliation, regression and integration testing, monitor ETL jobs, report defects, and collaborate with engineers and analysts to ensure data quality and governance.
Job Summary
We are looking for a detail-oriented ETL Tester to validate data extraction, transformation, and loading (ETL) processes across enterprise data platforms. The ideal candidate will have strong SQL skills, hands-on experience with ETL testing, and a solid understanding of data warehousing concepts. You will work closely with Data Engineers, ETL Developers, Business Analysts, and QA teams to ensure data quality, integrity, and accuracy throughout the data lifecycle.
Key Responsibilities- Develop and execute ETL test plans, test cases, and test scripts based on business and technical requirements.
- Validate data extraction, transformation, and loading processes from source systems to target data warehouses.
- Perform source-to-target data validation using SQL queries.
- Verify business transformation rules and ensure data accuracy and consistency.
- Conduct data completeness, data integrity, and reconciliation testing.
- Identify, analyze, and report data discrepancies, defects, and inconsistencies.
- Perform regression, integration, system, and end-to-end testing for ETL processes.
- Validate scheduled ETL jobs and monitor batch processing results.
- Collaborate with Data Engineers and ETL Developers to resolve data quality issues.
- Ensure compliance with data governance, security, and quality standards.
- Prepare test documentation, defect reports, and test execution summaries.
- Participate in requirement analysis and provide feedback on testability and data quality.
- Strong proficiency in SQL for data validation and analysis.
- Hands-on experience in ETL Testing and data validation.
- Good understanding of ETL/ELT processes and data warehousing concepts.
- Experience with relational databases such as Oracle, SQL Server, PostgreSQL, or MySQL.
- Knowledge of data modeling concepts including Star Schema and Snowflake Schema.
- Experience with defect tracking tools such as Jira or Azure DevOps.
- Strong analytical, problem-solving, and debugging skills.
- Excellent communication and documentation skills.
- Experience with ETL tools such as:
- Informatica PowerCenter
- Talend
- Microsoft SSIS
- IBM DataStage
- Pentaho
- Ab Initio
- Experience with cloud data platforms such as Databricks, Snowflake, Azure Synapse, or AWS Redshift.
- Basic knowledge of Python or Shell scripting for test automation.
- Familiarity with BI tools such as Power BI or Tableau.
- Experience working in Agile/Scrum environments.
Photon Chennai, Tamil Nadu, IND Office
DLF IT Park 1/124 Mount Poonamallee Road Sivaji Gardens Manapakkam , Chennai, India, 600089
Similar Jobs
Enterprise Web • Mobile • Professional Services • Software
Build and improve production LLM agents and AI features through evaluation, experimentation, observability, prompting, context engineering, tool use, and workflow design. Develop backend services, APIs, data models, and feedback pipelines that make agent behavior reliable and measurable. Investigate performance issues, run staged rollouts and production replays, define quality standards, and partner with Product, Data Science, and Sales to deliver business outcomes with appropriate privacy, security, and human-oversight safeguards.
Top Skills:
Agentic WorkflowsAPIsBackend ServicesBraintrustClaude CodeCursorData ModelsDatadog Llm ObservabilityEvaluation HarnessesGithub CopilotLangchainLanggraphLangsmithLlm-As-JudgeLlm-Based SystemsMcp
Enterprise Web • Mobile • Professional Services • Software
Own the AI product roadmap from discovery through launch and iteration. Define model evaluation standards, failure modes, rollback plans, and agent-autonomy boundaries. Prototype and ship production AI features, influence architecture, and apply prompting and context design. Collaborate with Design, Research, Engineering, Sales, Marketing, and Customer Success while tracking quality, latency, cost, adoption, and growth metrics.
Top Skills:
AIBraintrustClaudeCodexCursorLangsmithLlmsOpenclaw
Enterprise Web • Mobile • Professional Services • Software
Build and own full-stack product features from ambiguous problems through deployment. Partner with Product and Design, make UX decisions, integrate LLM and agent capabilities into trustworthy product experiences, talk with users, instrument releases, and iterate based on usage. The role requires strong product judgment, user empathy, independent execution, and comfort using AI coding tools while collaborating with AI engineers on model behavior.
Top Skills:
Claude CodeCursorGithub CopilotLlm AgentsLlm ApisPrompting
What you need to know about the Chennai Tech Scene
To locals, it's no secret that South India is leading the charge in big data infrastructure. While the environmental impact of data centers has long been a concern, emerging hubs like Chennai are favored by companies seeking ready access to renewable energy resources, which provide more sustainable and cost-effective solutions. As a result, Chennai, along with neighboring Bengaluru and Hyderabad, is poised for significant growth, with a projected 65 percent increase in data center capacity over the next decade.
