Taniya Periwal

About Taniya Periwal

Senior Data Engineer with 7 years experience designing scalable ETL/ELT pipelines and cloud data platforms that power analytics and machine learning. Expert in Python, SQL, Snowflake, PostgreSQL, AWS S3, Kafka and CI/CD; reduced code redundancy by 30%, saved 15 developer-hours/week, doubled onboarding speed for new data sources, and achieved 90% transformation accuracy. Proven technical leader who delivers production-ready datasets through automation, robust validation, and cross-functional collaboration.

Experience

1. Development Team Lead at Waymo Llc

   EPAM Systems

   Sep 2025 — Present · Hyderabad, IN

   Project: The legacy pipeline was restructured into a modular feature extraction framework, enhancing the analysis of driver behavior using Vision-Language Models (VLM).Responsibilities: • Designed and built a scalable, unified data pipeline to optimize feature collection for VLM inference, enabling a range of ML models to identify anomalies in driver behavior.• Standardized a multi-format ingestion layer (STable, SQL, CSV), reducing code redundancy by 30% and saving 15 hours per week in developer maintenance time.• Architected reusable utility modules, increasing codebase maintainability and allowing for 2x faster onboarding of new data sources into the preprocessing stage.• Created a robust post-processing engine for Gemini model outputs, leveraging advanced data transformations and JSON parsing to extract and load high-quality signals with 90% transformation accuracy into target tables.• Implemented automated data validation processes to compare Gemini model outputs with ground-truth data, guaranteeing complete data integrity prior to downstream processing.• Maintained a first-pass success rate for critical Changelists in enterprise CI/CD environments by enforcing rigorous coding standards and achieving thorough test coverage with Pytest.• Led a cross-functional team, providing technical guidance and removing obstacles to accelerate high-priority development initiatives.

Education

• SRM IST Chennai

  Bachelor of Technology - BTech, Information Technology

  2015 — 2019

• N. L. Dalmia Institute of Management Studies and Research

  ISC, Computer Science

  2013 — 2015