C
Christopher Zahrah
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Austin, Texas, United States
Résumé
Jobs
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Senior Software EngineerathenahealthMar 2019 - Current (7 years 8 months)Clinical Note Intelligence (Ambient Documentation – LLM)
• Led backend development on athenahealth's ambient clinical documentation initiative, integrating
GPT-4 and fine-tuned medical LLMs to auto-generate structured SOAP notes from
physician-patient audio transcripts.
• Designed and maintained a prompt engineering pipeline that normalized raw ASR output before
LLM inference, reducing hallucination rate in clinical assertions by ~30% in offline evaluations.
• Built a human-in-the-loop review service in Python/FastAPI that surfaced model-generated drafts
to clinicians inside the EHR workflow, tracking acceptance/rejection signals for downstream
fine-tuning.
• Collaborated with the ML platform tea- TSoftware EngineerThe Weather CompanyApr 2017 - Mar 2019 (2 years)Wx Insights API (Severe Weather Event Scoring)
• Developed a REST API (Spring Boot / Java) that served real-time severe weather risk scores to
enterprise clients such as airlines and logistics providers, processing ~50,000 requests per hour at
peak.
• Integrated an in-house ML model scoring weather event severity using historical NWS data and
radar imagery features; wrapped model inference in a caching layer to keep median response time
under 80ms.
• Built internal replay tooling in Python to run historical weather events against the scoring model,
enabling the data science team to evaluate model updates without touching production traffic.
• Contributed to front-end dashboards in React/Redux tha
Education
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- Bachelor of Science in Computer ScienceThe University of Texas at AustinJan 2013 - Dec 2016 (4 years)