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NTT DATA Logo NTT DATA · IT - Software Development

Systems Integration Specialist

India, Bangalore · Job Posted May 04, 2026
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Job Description

We are currently seeking a Systems Integration Specialist to join our team in Bangalore, Karnātaka (IN-KA), India (IN). We are seeking an experienced ETL Developer with strong expertise in DBT, Snowflake, and modern Data Warehouse (DWH) practices. The ideal candidate will design, develop, and optimize data pipelines, manage Snowflake assets (dynamic tables, semantic models, tasks, streams), and ensure high‑performance scalable datasets for analytics and reporting.

Job Responsibility

  • ETL / ELT Development: Design, build, and maintain ETL/ELT pipelines using DBT and other modern tools
  • Develop modular, testable DBT models (staging, intermediate, marts)
  • Implement CI/CD pipelines for DBT job deployments
  • Monitor pipeline performance and ensure high data quality
  • Snowflake Development: Build and manage Dynamic Tables, Semantic Views, Stored Procedures (SP), Tasks and scheduling workflows, Streams for change data capture (CDC)
  • Implement Snowflake resource optimization including clustering, partitioning, caching, and warehouse sizing
  • Use Query Profile for performance tuning and troubleshooting
  • Manage Snowflake security (RBAC), data governance, and cost optimization
  • Data Warehousing: Design and enhance DWH structures using dimensional modeling (Star/Snowflake schema)
  • Work with business stakeholders to translate requirements into scalable data models
  • Ensure reliability, data quality, lineage, and metadata documentation
  • Performance Tuning: Optimize SQL queries, DBT models, and Snowflake compute usage
  • Identify performance bottlenecks using Snowflake Query Profile and DBT artifacts
  • Implement best practices for incremental loads and materializations

Requirements

  • Strong SQL (complex joins, window functions, query optimization)
  • Hands‑on expertise with DBT Core / DBT Cloud
  • Advanced experience with Snowflake: Dynamic Tables, Semantic Views, Streams & Tasks, Stored Procedures (JavaScript/Python), Snowflake Performance Tuning, Query Profile analysis
  • Experience with ETL/ELT pipeline design
  • Familiarity with Airflow or similar orchestration tools (preferred)
  • Understanding of CDC frameworks
  • Strong understanding of data warehousing concepts (Kimball/Inmon)
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