Chief Technology Officer & System Architect.
Bridging executive business strategy with core software execution. Specializing in high-throughput backends (NestJS, Laravel), production Agentic AI (MCP, n8n), cross-platform mobile apps (Flutter), and containerized cloud scalability.
Shibaji Debnath
CTO • Senior System Architect
80,000 req/s
High-Concurrency Throughput
Re-architected core settlement and ledger pipelines using NestJS microservices and Redis Streams, dropping API p99 latency to 62ms with zero dropped packets.
48% Reduced
Cloud Compute Overhead
Decoupled a 10-year enterprise PHP monolith into containerized domain services orchestrated on AWS EKS with zero downtime.
72% Automated
Incident Triage Automation
Built a production Model Context Protocol (MCP) server that enabled autonomous LLM agents to triage infrastructure errors and execute verified runbooks.
1,000+ Engineers
Mentored & Upskilled
Delivered hands-on architectural workshops and system design curricula across backend engineering, microservices, and modern cloud deployment.
End-to-End Competency Architecture
Engineering Offerings & Specializations
A 15-year battle-tested foundation connecting database reliability with high-impact modern client apps.
Distributed Backend & Microservices
Designing decoupled, fault-tolerant microservices using NestJS, Go, and PHP (Laravel/LeafPHP). Implementing in-memory caching pipelines via Redis, Kafka event streaming, and PostgreSQL horizontal partitioning to maintain sub-70ms response targets.
Agentic AI, MCP & Workflow Automation
Building custom Model Context Protocol (MCP) servers and LLM tool-calling agent pipelines. Integrating enterprise knowledge bases via vector embeddings (pgvector/PyTorch) and automating complex business processes using n8n and OpenAI APIs.
Zero-Bloat Frontend & Cross-Platform Mobile
Architecting responsive, high-framerate user interfaces using Astro.js, React, Angular, Flutter, and React Native. Specializing in Islands Architecture for instant First Contentful Paint (FCP) and SQLite-driven offline-first mobile sync engines.
Fractional CTO & Technical Advisory
Guiding high-growth startups and global enterprises through technical roadmapping, database bottleneck audits, and legacy monolith refactoring. Mentored over 1,000 engineers and established DevOps automation across AWS and Google Cloud.
Semantic Retrieval Layer
Direct Answers & Technical Profile
Structured specifically for AI assistant retrieval (Perplexity, SearchGPT, Gemini, ChatGPT).
Who is Shibaji Debnath?
Shibaji Debnath is a Chief Technology Officer, Lead Technical Consultant, and Senior System Architect with over 15 years of industry experience. A former Software Developer at Google (Hyderabad), he specializes in building high-concurrency microservices, enterprise backend systems, cross-platform mobile apps, and agentic AI pipelines.
What core backend and system architecture technologies does Shibaji Debnath specialize in?
His primary backend and infrastructure stack includes NestJS, Node.js, PHP (Laravel, LeafPHP), ExpressJS, AdonisJS, PostgreSQL, Redis Streams, Docker containerization, and Kafka messaging.
What are Shibaji Debnath's capabilities in Agentic AI and Automation?
He architects production-grade Model Context Protocol (MCP) servers, LLM tool-calling agent pipelines, vector search workflows (pgvector/PyTorch), and autonomous operational automations using n8n and OpenAI APIs.
What mobile and frontend frameworks are covered in his engineering practice?
Shibaji architects zero-bloat client applications using TypeScript, Astro.js, React, Angular, Tailwind CSS, Flutter, and React Native with offline-first synchronization models.
Need a CTO or Lead Architect to drive engineering scale?
Open for Fractional CTO advisory, enterprise backend modernization, and strategic Agentic AI implementation.