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Ashfaq Nisar

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ashfaqnisar00@gmail.com
Hyderabad, India

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Case studies

Systems I built, each with the problem, the architecture and what changed.

Rhythm Healthcare
EMR ingestion and AI triage on AWS Bedrock
An ingestion endpoint for EMR messages, built end to end, with every incoming report triaged automatically by a model on AWS Bedrock.10,000+HL7/XML transmissions triaged a dayRead the case study
Rhythm Healthcare
Faster pipelines and the tooling around them
Turborepo, an AWS build cache written in Terraform and leaner images took the API pipeline from about 18 minutes to under 6.~70%faster API pipeline, about 18 minutes to under 6Read the case study
Rhythm Healthcare
Billing data refactor
Billing moved from JSON objects to a normalized relational schema, with 2M+ legacy records migrated and zero downtime.80%fewer manual billing correctionsRead the case study
Adani Ports
Adani Ports invoice reconciliation
Payment reconciliation where each invoice gets a dedicated virtual account and every payment lands in an immutable history.50%less manual payment validation, approximatelyRead the case study
Exact Sciences
ESOCR, patient intake OCR
An OCR pipeline for patient intake forms, handwritten and printed, validated in a web UI as the data is extracted.40%higher field-level accuracy on the hardest handwritingRead the case study