Role: Senior Quality Engineer - ETL Testing, Data Quality Testing, and Test Automation
7+ years

Summary:
We are seeking a highly technical QE Tester to lead quality assurance for our data-driven ecosystem

1. Core Responsibilities
End-to-End Data Validation: Lead testing for complex data pipelines, ensuring integrity from source systems through the Medallion Architecture (Bronze, Silver, Gold layers).
Advanced SQL Testing: Write sophisticated queries to validate complex transformations, including advanced joins, window functions, and SCD (SCD1 vs SCD2) logic.
LLM & Agentic Evaluation: Develop and execute frameworks to detect LLM hallucinations, bias, and non-deterministic output inconsistencies.
Performance & Governance: Conduct stress testing on AI agents, monitor token costs, and validate guardrails to ensure protected and cost-effective AI operations.
Collaborative Quality: Partner with Data Engineers and AI Researchers to define "Golden Datasets" and establish business-rule validation criteria.

2. Technical Requirements
Data Engineering Validation:
Advanced SQL:



Expertise in complex analytical queries, window functions, and validating Slowly Changing Dimensions (SCD).
Warehousing Fundamentals: Deep understanding of Fact vs Dimension validation and Source-to-Target (STT) reconciliation.
Pipeline Integrity: Proven experience with Incremental vs Full Load testing, row count reconciliation, and data completeness checks.
Data Quality (DQ): Ability to design automated DQ checks, data profiling, and validation of business-specific transformation rules.
API Testing: Proficient in validating RESTful APIs and alternative integration patterns.
LLM & Generative AI Validation:
Prompt Engineering: Validating system prompts, user prompts, and few-shot learning impacts on model behavior.
Hallucination & Bias Detection: Implementing techniques to identify factual inaccuracies and social biases in model responses.
Model Parameters: Testing the impact of Temperature, Top-P, and Conte

📌 Senior Data QA Engineer – ETL Testing, Data Validation (Bengaluru)
🏢 Innova ESI
📍 Bengaluru