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Sai Erramada
Mid-level Full-Stack Java Developer specializing in microservices and cloud-native systems
Wisconsin, USAFull Stack Java Developer6 years experienceMid-LevelRetailHealthcare ITConsulting
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About
Backend engineer with hands-on experience building real-time, event-driven systems at Walgreens, including a Kafka-based prescription status notification service and scalable pipelines for messy prescription/inventory data. Strong focus on reliability patterns (retries, idempotency, DLQs) and iterating based on pharmacist feedback to improve usability.
Experience
Full Stack Java DeveloperWalgreens
Full Stack Java DeveloperHCL Technologies
Java DeveloperKPIT Technologies
Education
Concordia University Wisconsinmaster, Computer Science (2025)
Anurag College of Engineeringbachelor, Electronics & Communication (2020)
Key Strengths
- Owned end-to-end delivery of real-time notification feature (design → build → launch → iterate)
- Event-driven systems implementation with Kafka to replace polling-based workflows
- Reliability engineering for messaging pipelines (retries, idempotency, DLQ/error flows)
- Scaled messy real-world data ingestion with validation/normalization and async processing
- Incorporated user feedback post-launch (reduced alert noise via notification filtering)
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