C
Christopher Zahrah
About
Detail
Austin, Texas, United States
Résumé
Jobs
verified_user
0% verified
Senior Software EngineerathenahealthMar 2019 - Current (7 years 6 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 team to containerize inference workloads on AWS- 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 that visualized event alerts and risk scores for
Education
verified_user
0% verified
- Bachelor of Science in Computer ScienceThe University of Texas at AustinJan 2013 - Dec 2016 (4 years)