Sayak Banerjee
Sr. Distinguished Engineer - Fraud Tech at Capital One
Texas, United States
Summary
👤
Senior🎓
Top SchoolSayak Banerjee is a Sr. Distinguished Engineer with 15 years of experience designing and shipping mission-critical distributed systems across web, mobile, and data platforms. Currently leading Fraud Tech at Capital One, he architects real-time and batch decisioning pipelines that score 100% of authorizations and protect 100M+ customers with graph-based identity intelligence and generative AI anomaly detection. He has a track record of unifying sprawling platform ecosystems—marketing tech, client-facing products, and fraud defense—into coherent, high-performance architectures that meet millisecond latency and massive throughput demands. Hands-on across full-stack engineering, enterprise data architecture, and ML model serving, Sayak blends product sensitivity with deep systems engineering. He is an early adopter and builder of Agentic AI toolchains that autonomously accelerate development and reduce operational toil at enterprise scale. Based in Texas and trained in computer science, he brings both practical delivery chops and a penchant for designing self-optimizing engineering ecosystems.
15 years of coding experience
4 years of employment as a software developer
B.Tech, Computer Science Engineering, B.Tech, Computer Science Engineering at Jaypee University of Information Technology
English, Hindi
Github Skills (30)
pastebin10
headless-browser9
phantomjs9
elastic8
automation8
kibana8
visualizations8
watir7
observability7
elasticsearch7
selenium5
vscode4
ruby4
feedly4
sticky-notes4
Programming languages (6)
Github contributions (5)
sayakb/sticky-notes
Jan 2011 - Jan 2015
Sticky notes is a free open-source pastebin application.
Contributions:1094 commits, 1 push, 10 comments in 4 years 1 month
pastebin
keychain-sso/keychain
Jun 2014 - Oct 2014
Contributions:179 commits in 4 months
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