Sayan Banerjee

About Sayan Banerjee

I am a technology leader with 15+ years of experience defining and delivering enterprise-scale technology strategy across cloud, data, and AI platforms. I have led globally distributed engineering organizations, built high-performing teams, and partner with executives to translate business objectives into scalable, secure, and resilient systems.My work spans Big Tech and financial services, where I’ve owned multi-year technology roadmaps,$10M+ portfolios, and platforms processing hundreds of millions of transactions and petabytes of data. I have led initiatives with direct executive and board-level visibility, including regulatory and risk systems governing billions of dollars in global assets.I specialize in:• Enterprise platform modernization and cloud-native architecture (AWS)• Data, ML, and GenAI/ AgenticAI systems deployed at production scale• Multi-org engineering leadership and org design• Regulatory, risk, and compliance platforms• Turning complex business problems into durable technology advantagesRecent highlights include leading enterprise billing and pricing platforms at AWS, delivering GenAI-driven automation, and building data and AI platforms that enabled advanced analytics, customer intelligence, and risk management across global financial institutions.I’m most effective in roles where scale, complexity, and execution discipline matter—and where technology is a core driver of business outcomes, not just a support function.

Experience

1. Engineering Leader, Aws

   Amazon

   May 2021 — Present · New York, NY, US

   Define and execute multi-year enterprise technology strategy for AWS Billing platforms processing 250M+ billing line items and 20PB of data, directly supporting multi-billion-dollar global revenue across all AWS services and regions- Increased compliance decision coverage from 7% to 90%+, governing $10B+ in annual cross-border asset transfers, materially reducing enterprise regulatory risk- Delivered flagship AWS re:Invent initiatives, aligning 5 Director-level organizations, 30+ senior tech and product leaders, and 50+ strategic customers- Championed adoption of GenAI achieving operational efficiency gains across large-scale distributed systems.

Education

• Indian Institute of Engineering Science and Technology (IIEST), Shibpur

  BE, Engineering

• Baruch College

  MBA, Finance

Skills

• Trading Systems
• Management
• Project Management
• Business Analysis
• Software Development Life Cycle (Sdlc)
• Fixed Income
• Program Management
• Financial Risk
• Vendor Management
• Portfolio Management
• Requirements Analysis
• Capital Markets
• Requirements Gathering
• Derivatives
• Credit Risk
• Financial Services
• Investment Banking
• Analysis
• Banking
• Risk Management
• Bloomberg
• Sdlc
• Financial Modeling
• Equities