Shantanu Kumar

Founder and Chief Solutions Architect, Dude Lemon

Machine Learning Engineer, Software Architect, and Cybersecurity Professional

Shantanu Kumar founded Dude Lemon to build production software that holds up under real load and real scrutiny. Over more than nine years he has worked across machine learning, software architecture, and security engineering, leading the design of AI systems, scalable backends, and hardened cloud infrastructure for Fortune 500 teams and high-growth startups alike.

He writes the engineering articles on the Dude Lemon blog, drawing on the same patterns the team ships in client work, from LLM integrations and RAG knowledge bases to deployment, security, and compliance.

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Areas of expertise

Machine Learning Engineering

Production LLM integrations, RAG knowledge bases, and AI agents engineered for scale, not prototypes.

Software Architecture

Scalable backend systems, multi-tenant SaaS platforms, and API design that enterprise applications depend on.

Cybersecurity

Passwordless WebAuthn auth, encrypted secrets, WAF rules, audit logging, and SOC 2 aligned operations.

Cloud Infrastructure

Hardened AWS deployments with EC2, RDS, CloudFront, Docker, PM2, and Nginx tuned for 99.9% uptime.

What he works on

Designing production AI systems with strict data boundaries and load-tested architecture.
Leading full-stack builds across React, Node.js, TypeScript, Python, and PostgreSQL.
Shipping commerce and platform apps on Webflow and Shopify.
Modernizing legacy codebases through audits, incremental refactors, and CI/CD hardening.

Languages

EnglishHindiFrenchChinese

Education

Vatel, France

2015 to 2018

Read articles by Shantanu on the Dude Lemon blog