Co-founder & Head of Data Science
LinkedIn — Amit ChahalAmit Chahal
Amit Chahal is the Head of Data Science and Co-Founder of Sign3, where he leads the company's approach to machine learning and financial fraud detection. He brings over a decade of experience in machine learning and financial fraud solutions, transforming how businesses safeguard against risk.
This breadth across fintech, gaming, and e-commerce shapes how Amit builds Sign3's fraud detection models today — grounded in real-world risk patterns from some of the industry's most fraud-exposed environments.
Areas of Expertise
- Machine Learning & Data Science
- Financial Fraud Detection
- Risk Modeling
Latest Articles by Amit
Explore insights and perspectives from Amit on machine learning, fraud detection, and how data science is reshaping risk management.
Customer Intelligence11 min readWhat Your Apps Know That Credit Bureaus Don't | Sign3
40 installed apps reveal more about your financial behaviour than any bureau score. Here's how appographic intelligence is fixing India's NTC credit gap.
Read blogAmit ChahalMay 18, 2026
Fintech & BFSI8 min readAsia's Cross-Border QR Boom Has a Fraud Problem Nobody Is Costing Yet
Asia's cross-border QR rails are scaling faster than their fraud defences. ₹4,245 crore in domestic fraud, zero cross-border framework, and the signal layer that actually travels.
Read blogAmit ChahalMay 11, 2026
