Satish Kumar Chaubey
I build high-scale, production-ready web applications & APIs with modern full-stack architectures. Experienced in crafting responsive frontends, payment integrations (BBPS, PayU, Razorpay), real-time automation tools, and cloud backend engines.
Featured Projects
Explore some of my production-grade web applications, SaaS platforms, and full stack solutions.
SheetSync — Interactive Lead & Bulk Mailer Suite
Production email outreach and lead automation suite. Features batch raw email parsing, Fresh Outreach vs Follow-Up modes, Gmail drafts sync, PDF resume attachments, and SMTP delivery logs.
Enterprise BBPS Payment SaaS Platform
High-scale AI SaaS and BBPS bill payments engine integrated with PayU & Razorpay payment gateways, analytics, and client campaign dashboards.
Omni-Channel Enterprise Digital Banking Platform
Production enterprise digital banking portal and transaction management suite built with Next.js & React, prioritizing secure data handling and intuitive banking user journeys.
Skills & Core Competencies
Hands-on full stack skills across frontend, backend, databases, payment gateways, and cloud deployment.
Chat with Satish AI
Explore 30 verified questions and answers about Satish Chaubey's 3+ years experience, 13 production projects, and core tech stack.
Satish AI Knowledge Base (30 Q&As)
Production System Diagrams
Detailed architectural flow diagrams for production AI systems — featuring real-time multimodal audio/video streaming, microservices, and RAG pipelines.
Gemini Live API Real-Time Engine
Low-Latency Bi-Directional Voice, Video & Audio Streaming System
Architected low-latency streaming pipeline enabling continuous bi-directional voice, video, and text interaction with Multimodal AI models. Features real-time PCM audio processing, dynamic interruption handling, function calling, and live audio synthesis.
Blogs & Technical Articles
In-depth technical guides, architecture breakdowns, and AI integration articles written for modern engineers.
RAG vs CAG Architecture: Vector Search vs KV Prompt Caching in Production
Comprehensive architectural breakdown comparing Retrieval-Augmented Generation (RAG via Vector DBs) versus Cache-Augmented Generation (CAG via Gemini 2.0 / Claude 3.5 KV Prompt Caching) for sub-second enterprise AI context lookup.
Under the Hood: How Google V8 & Python CPython Execute Code Internally
Deep dive into JavaScript V8 Engine (Ignition Bytecode & TurboFan JIT) vs Python CPython (AST Parser, PVM Evaluation Stack, Ref Counting & GIL Lock) execution pipelines.
Building AI SaaS Applications with Next.js 16 & LLM APIs
How to integrate OpenAI, Gemini, and Claude LLM APIs into Next.js 16 App Router for structured JSON outputs, streaming responses, and automated SaaS workflows.
Integrating LLMs for Automated Call Analysis in Node.js
Architectural patterns for connecting audio speech-to-text streams with LLMs to perform automated sentiment scoring, call summarization, and real-time dashboard analytics.
Building Multi-Language RAG Chatbots in Production
Step-by-step guide to building retrieval-augmented generation (RAG) chatbots using vector databases, Next.js, and Node.js for automated customer support and document assistance.
Prompt Engineering & Zod Validation for Enterprise Backends
Best practices for designing deterministic JSON schemas with OpenAI function calling and Zod validation when consuming LLM endpoints in mission-critical backends.
Mastering Next.js 16 App Router & Server Actions
Deep dive into Server Components, Parallel Routes, Server Actions, and dynamic caching strategies for ultra-fast full stack applications.
High-Throughput REST APIs with Node.js & Redis Caching
Architecting high-traffic RESTful APIs with Node.js, Express, and Redis caching for low-latency microservices performance.
Real-Time WebSockets Architecture for Trading Platforms
Building real-time crypto and stock trading dashboards using Socket.io, React, and Framer Motion with smooth live ticker updates.