Ankush Mahindru
Senior Data Engineer | Ex-Optum, UsefulBI | Databricks SQL + Delta Lake | Healthcare Data | Lakehouse Architecture | AWS · Azure · PySpark
- Role
- Senior Data Engineer at Rackspace Technology
- Location
- New Delhi, DL, IN
- LinkedIn followers
- 500 followers
About Ankush Mahindru
Senior Data Engineer with 5+ years building production-grade data platforms for healthcare and life sciences. Currently at Rackspace Technology, previously UnitedHealth Group (Optum Global Solutions).Built and optimized Medallion Lakehouse architectures processing multi-TB healthcare datasets — including EHR, Rx prescription, insurance claims, and PBM data — using Databricks SQL, Delta Lake, and PySpark across AWS and Azure. Core stack: Databricks SQL · Delta Lake · PySpark · Azure Data Factory · AWS Glue · SQL · Python · ETL/ELT pipeline design · Data quality frameworks.Open to Senior Data Engineer and Databricks SQL Engineer opportunities in healthcare, life sciences, and enterprise data platforms.
Experience
Senior Data Engineer
Aug 2025 — Present · Gurugram, IN
Architect and lead operational governance of Medallion-layered data pipelines (Bronze/Silver/Gold), ensuring >99% pipeline reliability and compliant data flows across mission-critical domains.• Optimize PySpark- and AWS-based ingestion frameworks, improving pipeline throughput by ~20–30% through better partitioning, schema evolution handling, and workload tuning.• Spearhead DLT pipeline stabilization, reducing incident frequency by ~40% and cutting mean time to recovery (MTTR) from hours to minutes via faster root-cause analysis and reusable fix patterns.• Establish robust data validation and SLA frameworks, monitoring quality and freshness KPIs that maintain 98–99.5% SLA adherence for downstream analytics and reporting teams.• Own cross-functional communication with business, product, and engineering teams—providing proactive pipeline health reporting, impact analysis, and aligning fixes with evolving business logic.
Education
Delhi College of Engineering
Bachelor of Technology (B.Tech.), Computer Science
2016 — 2020
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