Summary
Kaustav Saha is a Senior Software Engineer based in Bengaluru with 10 years of experience building high-scale, production-grade systems spanning data science, e-commerce, and fintech. He currently works on Tier-0, million-RPS infrastructure at Twilio/Segment, focused on availability, fault tolerance and personalized customer experiences powered by user data and AI. Previously he engineered returns and recommerce flows at Amazon handling billions of items and built credit-risk forecasting systems at Citi to support secured lending at scale. His background spans embedded measurement systems through enterprise retail optimization, reflecting a rare blend of low-level instrumentation instincts and large distributed-system expertise. Kaustav pairs a strong engineering foundation (MEng) with practical data-science instincts—he’s comfortable shipping both models and the resilient services that serve them.
10 years of coding experience
7 years of employment as a software developer
Bachelor of Technology - BTech Electrical Electronics and Communications Engineering, Bachelor of Technology - BTech Electrical Electronics and Communications Engineering at Techno India College Of Technology
Computer Software Engineering, Computer Software Engineering at Scaler
Master of Engineering - MEng Computer Software Engineering, Master of Engineering - MEng Computer Software Engineering at Jadavpur University
High School Diploma Science, High School Diploma Science at Don Bosco School, Park Circus, Kolkata
English, Bengali, Hindi