I’m Himanshu, a Lead Data Scientist at OLX with 8+ years of experience building AI/ML solutions across OLX, eDreams (Spain), American Express, Mercedes-Benz. I have worked on recommendation systems, fraud detection, dynamic pricing, NLP, and predictive modeling at scale. Having built my career across India and Europe, I understand the challenges of growing in Data Science and navigating global opportunities. Through Topmate, I help professionals with Data Science careers, interview preparation, resume reviews, and international career guidance based on real industry experience.