Highlights

• Rebuilt the bill-payment ledger to be idempotent across retries; cut duplicate-charge incidents by 92% over two quarters.
• Owned the migration of the settlement service from RabbitMQ to Kafka with zero downtime and a documented rollback plan.
• Mentored two junior engineers on testing discipline; raised the team's coverage floor from 41% to 78%.
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Highlights

• Shipped a Go microservice that deduplicates inbound shipment events; reduced backend storage cost by 18%.
• Wrote the runbook adopted by the on-call team for the tracking pipeline.
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