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Vasanthi Koya
Senior Full-Stack/Data Engineer specializing in cloud data pipelines for legal and financial platforms
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About
Data/analytics engineer who built and operated a DocuSign-based real-time analytics platform end-to-end, processing 20–50k webhook events/day with ~99.5% reliability. Strong in idempotent event processing, schema-evolution-safe ingestion (raw JSON + dynamic parsing), and serving data via versioned, low-latency REST APIs with solid CI/CD and observability.
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Key Strengths
- Owned end-to-end DocuSign event pipeline (ingestion → validation/dedup → transforms → serving)
- Handled 20–50k events/day with ~99.5% reliability and near real-time updates
- Designed idempotent processing to address at-least-once delivery and duplicate/out-of-order webhooks
- Built resilient ingestion with retries (exponential backoff), throttling, and reconciliation checks
- Managed breaking schema changes via raw JSON layer + dynamic parsing to prevent downstream impact (zero data loss)
- Shipped low-latency REST APIs with caching, pagination, indexing, and query optimization
- Implemented API versioning strategy (/v1, /v2) with migration guide and parallel support through deprecation
- Delivered MVP in ambiguous environment with CI/CD, logging/metrics/alerts, and backfill jobs for incidents
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