Krishnam Gupta

Principal SWE, Applied AI - Seattle, WA (Remote from SF)

• Architected CV pipeline behind 1.3M+ rapid diagnostic tests (malaria, HIV, COVID) across 15+ countries
• Led rule-based to deep learning migration: sensitivity 82% to 94%, specificity >99%
• Designed structured extraction from 30,000+ WhatsApp conversations (120+ clinical fields)
• Built LLM evaluation framework benchmarking 11+ models, cut costs 50-63%
• Designed multi-provider LLM fallback with open-weight models at 80%+ lower cost, with production guardrails including content moderation and clinician escalation
• Co-authored 3 peer-reviewed papers on diagnostic AI while shipping production systems

Lead Data Scientist - Bangalore, India

• AI differential diagnosis system serving 100K+ consultations/month
• Skin disease recognition: SOTA +5% (ICPR 2020 paper)
• Led team of 4 data scientists across CV and NLP
• Built smartphone-based PPG system for pulse rate and oxygen saturation - remote vitals without specialized hardware (patent pending)

Research Engineer - Hyderabad, India

• Search relevance and ranking models serving billions of daily queries
• Developed ML features for query-document matching and click-through rate prediction at web scale