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SWE intern
American Express • Tiempo parcial
May 2026 - Jul 2026 • 2 mos
• Improved retrieval quality by 12.8% (NDCG@10: 0.783 → 0.883) using a query-aware embedding dimension selector. • Reduced 13K monthly LLM inference calls by integrating the model into TechCare semantic issue-clustering pipeline. • Built an analytics framework over 60K+ escalated chats, identifying major knowledge gaps, automation opportunities. • Reduced engineer escalations by 30% by developing smart-routing and automated workflows across key products.