Work Experience
Lead Data/AI Engineer — Thoughtworks India Pvt Ltd (Oct 2024 – Present)
- Architected Promotion Analytics Engine for U.S. retailer using DBT + PySpark + BigQuery.
- Integrated LightGBM with BigQuery ML for volume forecasting.
- Led team of 10 engineers for scalable analytics platform delivery.
Lead Data Engineer (LMTS) — Salesforce India Pvt Ltd (June 2022 – Present)
- Built metadata-driven pipeline handling PB-scale ingestion on AWS.
- Implemented GDPR-compliant data leak scanners and tokenization systems.
- Created workload analytics dashboard with Apache Superset, optimizing Spark resources by 20%.
Lead Data/ML Engineer — American Express (via Impetus Technologies) (Dec 2014 – June 2022)
- Developed merchant recommender with CatBoost, Word2Vec, and collaborative filtering.
- Reduced hyperparameter tuning time by 40% via distributed Spark optimization.
- Created real-time offer engine with Hadoop, Hive, and Elasticsearch.
Application Developer — JP Morgan Chase (Aug 2012 – Dec 2014)
- Built high-availability data platform and ELK-based analytics solutions.
- Worked on distributed caching, real-time messaging, and Hadoop PoCs.
Systems Engineer — GE via TCS (Nov 2009 – July 2012)
- Re-architected ASP/IIS app to Java Spring microservices.
- Saved $30,000 by optimizing processes and queries.