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Amrita Pritam
Senior Backend Engineer specializing in distributed microservices and event-driven systems
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About
Backend engineer with production experience building a high-scale notification pipeline (~20M/day) using Java/Dropwizard with Kafka and Azure Queue, including DLQ/poison-message handling and the outbox pattern for reliability. Also led a batch-based migration of Yammer Messaging user data from PostgreSQL to Azure Cosmos DB for global multi-region scale, addressing throttling and network failures via retries, escalation policies, and dynamic throughput tuning.
Experience
Education
Key Strengths
- Designed and operated high-scale notification pipeline (~20M notifications/day)
- Resolved poison message failures by implementing DLQ handling with monitoring/alerting
- Improved reliability with outbox pattern to prevent message loss on crash between DB write and queue publish
- Led batch-based migration from PostgreSQL to Azure Cosmos DB for global/multi-region scale
- Built retry/escalation policies by classifying transient vs permanent errors; coordinated escalation to owning team (IC3)
- Handled Cosmos DB throttling and network failures by dynamically adjusting throughput
- Diagnosed and improved slow SQL using EXPLAIN and composite index (user_id, created_at)
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