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Bhavana Reddy Ponnapati
Mid-Level Software Engineer specializing in cloud-native distributed systems
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About
Backend/platform engineer who has built and run production Python/Flask + Kafka microservices processing RFID and camera/RFID fusion streams for near-real-time retail cart updates at ~4–5M events/day. Strong in reliability/performance debugging (p99 latency, Kafka lag, Cosmos DB RU hot partitions) with measurable impact including ~30% database cost reduction, and has also shipped an end-to-end vulnerability scanning workflow with DynamoDB-backed state, idempotency, and robust retry/verification guardrails.
Experience
Education
Key Strengths
- Built and operated event-driven Python/Kafka microservices at ~4–5M events/day
- Diagnosed p99 latency spikes/timeouts by correlating service metrics with Kafka lag and Cosmos DB RU consumption
- Reduced Cosmos DB cost ~30% via partition key/index/query optimization and batching/backpressure fixes
- Designed reliable multi-step workflow with persisted state, idempotency, and robust retry/stop logic
- Designed DynamoDB schema/indexes to support ~250–300 R/W per second
- Strong production readiness practices: observability (Prometheus/Grafana), structured logs/correlation IDs, health checks, rate limiting, CI + layered testing
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