Python Senior Technical Lead - Data Analysis, SQL

Experience: Not Available to Not Available years

Location: Chennai, India

Skills: data analysis, SQL, Oracle, data governance, relational databases, normalized data models, insurance data, annuity data

Job Summary
Strong data analysis skills with the ability to interpret complex data structures and legacy specifications.

Key Responsibilities
Review and understand the Annuity Data Domain Model and associated enterprise mapping documents.
Analyze Transcend specification documents for existing outbound data feeds.
Translate Transcend feed specifications into ALIP‑based technical specifications aligned to the existing structures of the downstream feeds.
Prepare detailed source‑to‑target mapping documents for 275+ data feeds, including:
• Attribute‑level mappings
• Data type alignment
• Business rules and transformations
• Inclusion / exclusion criteria
• Key and relationship mappings
Validate mappings against actual data by querying:
• Transcend (Oracle) source tables
• ALIP data domain in Lake or reference datasets
Identify gaps, ambiguities,



or inconsistencies in legacy specifications and work with stakeholders to resolve them.
Ensure mappings adhere to enterprise data standards, naming conventions, and data governance guidelines.
Support downstream development and testing teams by clarifying specifications and resolving data questions.

Skill Requirements
Required Skills & Experience
Core Skills
Strong data analysis skills with the ability to interpret complex data structures and legacy specifications.
Basic to intermediate SQL skills for:
• Querying Oracle databases (Transcend)
• Querying data in the enterprise Data Lake
Ability to read and understand technical specifications, data models, and mapping documents.

Domain & Technical Knowledge
Familiarity with relational databases and normalized data models.
Exposure to insurance or annuity data domains is a solid plus.

Other Requirements
Familiarity with relational databases and normalized data models.
Exposure to insurance or annuity data domains is a strong plus.

📌 Python Senior Technical Lead Data Analysis, SQL (Chennai)
🏢 HCL Technologies
📍 Chennai