Data Engineer - Tester

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us.

If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.

We are currently seeking a Data Engineer - Tester to join our team in Bengaluru, Karnātaka (IN-KA), India (IN).

• Data Testing Frameworks: Hands-on experience with DataTester to automate data quality checks.
• Big Data Processing: Strong proficiency in PySpark and Apache Spark for manipulating and querying large-scale datasets.
• Cloud Storage: Deep understanding of AWS S3 storage structures, partitioning strategies, and file formats (Parquet, Delta, Avro).
• Testing Methodology: Solid background in functional and non-functional data testing, including data migration and regression testing.
• Database & Querying: Advanced SQL skills for querying relational databases and verifying data warehousing solutions.
• Version Control: Experience with Git and CI/CD deployment pipelines for automated test execution
• Pipeline Validation: Build automated test suites to validate complex ETL/ELT pipelines using PySpark and DataTester .
• Data Quality Assurance: Verify data accuracy, completeness, and consistency across source systems and AWS S3 data lakes.
• Test Automation: Design and maintain scalable, reusable data testing frameworks to perform schema validation, null checks, and data reconciliation.
• Component Testing: Conduct rigorous unit, integration, and regression testing on distributed data processing applications.
• Defect Tracking: Identify, document, and track data anomalies, performance bottlenecks, and pipeline failures.
• Collaboration: Partner closely with core Data Engineers and Platform teams to understand data models and implement test-driven development (TDD) practices.

NTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. our consulting and Industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D.