Senior Technical Lead
India
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Job Description
Senior Technical Lead
Chennai, Tamil Nadu

Job Summary

Job Description:-

 

  • Demonstrate years of data engineering experience with a proven track record of migrating from legacy ETL/iPaaS tools (SnapLogic, Datastage) to a modern ELT stack using Fivetran tool
  • Design the target ELT state using Fivetran for automated data ingestion and staging.
  • Strong understanding of FiveTran Architecture and hands on experience in different source connectors
  • Implement data validation and testing frameworks to ensure zero data loss or discrepancies during the legacy pipeline cutover
  • Build custom Fivetran extensions using Python, REST APIs, and Cloud Functions for unsupported legacy applications.
  • Audit legacy ETL/iPaaS configurations to map out existing data sources, targets, and complex transformation logic for migration
  • Design strict data validation protocols to run parallel testing and ensure 100% data parity between the legacy systems and the new Fivetran environment.
  • Manage the historical data backfill process, troubleshooting API rate limits, large volume sync errors, and network bottleneck issues.

Key Responsibilities

Job Description:-

 

  • Demonstrate years of data engineering experience with a proven track record of migrating from legacy ETL/iPaaS tools (SnapLogic, Datastage) to a modern ELT stack using Fivetran tool
  • Design the target ELT state using Fivetran for automated data ingestion and staging.
  • Strong understanding of FiveTran Architecture and hands on experience in different source connectors
  • Implement data validation and testing frameworks to ensure zero data loss or discrepancies during the legacy pipeline cutover
  • Build custom Fivetran extensions using Python, REST APIs, and Cloud Functions for unsupported legacy applications.
  • Audit legacy ETL/iPaaS configurations to map out existing data sources, targets, and complex transformation logic for migration
  • Design strict data validation protocols to run parallel testing and ensure 100% data parity between the legacy systems and the new Fivetran environment.
  • Manage the historical data backfill process, troubleshooting API rate limits, large volume sync errors, and network bottleneck issues.

Skill Requirements

Other Requirements
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Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending June 2026 totaled $14.8 billion.