Google-Grade Architecture for Global Startups.
Helping businesses in the US, UK, and Australia build scalable AI-driven solutions, high-performance mobile apps, and low-latency cloud systems.
Specialized solutions for mission-critical applications
AI Agent Systems
Custom LLM integrations and autonomous agents designed to automate customer acquisition, internal workflows, and decision engines.
Scalable Full-Stack
High-concurrency backends (Node/NestJS) and pixel-perfect mobile apps (Flutter/React Native) engineered with Clean Architecture.
Fractional CTO
Strategic technical leadership for startups. I help you bridge the gap between business vision, investor expectations, and robust code.
“I don’t just write code; I design systems that scale.”
My background at Google taught me that software is a business investment. I focus on reducing tech debt, standardizing CI/CD velocity, and hardening infrastructure so you can focus on sustainable growth.
Training Courses & Mentorship
10,000+ Software Engineers Coached
System Design & Clean Architecture
Hands-on mastery of event-driven architectures, transactional consistency, database sharding, caching strategies, and Staff+ interview problem solving.
Production AI Agent Engineering
Learn how to build production-grade multi-agent orchestrations, function-calling workflows, vector index optimization, and evaluation pipelines.
Trusted by Founders & Engineers
“Shibaji restructured our backend monolith into a scalable NestJS microservice system in under 8 weeks. Our latency dropped from 900ms to 45ms, helping us pass rigorous enterprise security audits in the US.”
“The 1:1 architectural mentorship changed how I view production engineering. Shibaji doesn’t teach theoretical diagrams; he walks you through real zero-downtime database sharding and caching failures. Landed a Staff role thanks to him!”
“Working with an Ex-Google architect saved us hundreds of thousands of dollars in cloud over-provisioning. He engineered a custom AI agent workflow that automated 70% of our manual support pipeline seamlessly.”
“His curriculum on production AI agents and hybrid vector indexing is unmatched. No fluff tutorials—we wrote actual tool-calling schemas and integrated fallback strategies. Essential training for modern developers.”
“Shibaji served as our fractional system architect during our Series-A buildout. His insights on multi-region PostgreSQL synchronization and message queues prevented major outages during our product launch.”
“His teaching style connects the dots between clean NestJS architecture and real-world business outcomes. The practical assignments and code reviews directly accelerated my engineering leadership career.”
Ready to build something legendary?
Available for selective consulting projects and architecture advisory in North America, Europe, and Australia.