Ph.D, research scientist in NLP/AI. Medium "Top writer" in AI and Technology. Exclusive articles and all my AI notebooks on https://kaitchup.substack.com/

Machine Learning and Big Data

Senior Data Scientist in NLP and advisor

Research Scientist at ServiceNow Research

Author of Machine Learning System Design course on educative.io, Machine Learning Design Interview book and ML interview on github. Top 1000 Medium writers.

🔎 Working on search technology at Zeta Alpha // 🎙 Neural IR Podcast: bit.ly/3ITDNNE // 👔 Linkedin: linkedin.com/in/sergicastella

AI/ML Enthusiast | Software Engineer | ex-Microsoftie | ex-Amazonian