Sayantan S.

About Sayantan S.

Engineering Leader with 15+ years of overall experience specializing in Distributed Systems, Databases, large scale infra and Cloud Security, including 5+ years as a people leader, 2+ years as managing through other managers. I have a proven track record of leading multi-team organizations to deliver high-stakes, Tier-0 product offerings that impact thousands of global businesses.Key Leadership Impact:Strategic Scope: Lead the foundational architecture for AWS DocumentDB, including Protocol, Reliability, Resource Governance, Security, Compliance - directly contributing to significant ARR growth and enterprise adoption.Organizational Growth: Orchestrate cross-functional initiatives involving 25+ engineers, engineering managers, product managers, balancing long-term technical debt with aggressive product roadmaps.Culture & Talent: Serve as an AWS Bar Raiser, shaping the engineering culture of Amazon by overseeing hiring excellence and organizational health.Technical Vision: Launched the GenAI and Vector Search strategy for DocumentDB, positioning the service as a leader in the rapidly evolving AI infrastructure landscape. Most recently launched private preview of DocumentDB\'s analytics strategy.AI Fluency & Organizational Transformation: Driving the adoption of GenAI across the engineering lifecycle to accelerate developer velocity and upskill talent. I focus on cultivating an AI-native engineering culture that securely and cost-effectively integrates modern AI capabilities into foundational database and distributed systems engineering.I thrive at the intersection of deep distributed systems expertise and high-level organizational design, ensuring technical excellence never comes at the expense of strategic business alignment.

Experience

1. Engineering Leader, Manager - Aws Documentdb

   Amazon Web Services (AWS)

   Apr 2019 — Present · Seattle, WA, US

   Building one of the best-in-class document databases for cloud at AWS DocumentDB- Leading key foundational aspects for DocumentDB - Protocol, Connectivity, Reliability, Security, Resource Governance, Advanced query capabilities around Vector, Analytics etc- Led cross-team projects (~25SDEs, SDMs, PMs) from initiation, goal-setting, strategic planning and roadmap evolution, related funding & allocation, through successful execution to post-production support- If you\'re relying on 99.99% SLA for DocumentDB, that\'s ensured by me and my team- If you need to authenticate and authorize a user on DocumentDB, that\'s on me and my team- If you feel secure about your data and compliance in DocumentDB, that\'s on me and my team- if you\'re using DocumentDB for any GenAI or Vector or Analytics use case, that\'s brought to you by me and my team- Launched numerous high impact database product/features for AWS DocumentDB attributing to hundreds of millions in ARR:(Gen AI) Vector Search;(security) IAM Authentication, client side encryption;(authorization) Role based access control;(enterprise) DML query auditing at scale; major version of DocumentDB, generating more than half of overall revenue and many more- Some of the portfolio projects links:https://aws.amazon.com/about-aws/whats-new/2024/06/amazon-documentdb-iam-database-authentication/https://aws.amazon.com/about-aws/whats-new/2023/11/vector-search-amazon-documentdb/https://aws.amazon.com/about-aws/whats-new/2022/08/amazon-documentdb-mongodb-compatibility-dml-query-auditing-amazon-cloudwatch-logs/https://aws.amazon.com/about-aws/whats-new/2023/03/amazon-documentdb-mongodb-5-0-wire-protocol-client-side-encryption/https://aws.amazon.com/blogs/database/introducing-role-based-access-control-for-amazon-documentdb-with-mongodb-compatibility/https://aws.amazon.com/blogs/database/introducing-amazon-documentdb-with-mongodb-compatibility-user-defined-roles-for-access-control/

Education

• Ramakrishna Mission Boys' Home, Rahara

  10 (Madhyamik - WBBSE), Mathematics, Physical Sciences, Life Sciences, Geography, History, Literature (English and Bengali)

  2005

• Indian Institute of Technology, Delhi

  Master's degree, Computer Science and Engineering

  2014

• Jadavpur University

  B.E., Computer Science and Engineering

  2011

• Ramakrishna Mission V.C. College, Rahara

  10+2 (Higher Secondary - WBCHSE), Maths, Physics, Statistics, Chemistry

  2007