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watat83/README.md

Header

Christian Nzouat

Hi, I'm Christian Nzouat

I build intelligent software that turns complex business problems into practical products.

Typing introduction

Website LinkedIn X ORCID

Experience Location Focus


About Me

I'm a software architect, AI product builder, and entrepreneur with more than 10 years of experience designing and developing digital products.

My work sits at the intersection of software engineering, artificial intelligence, automation, and business strategy. I handle the complete product lifecycle—from requirements and system architecture to development, deployment, optimization, and growth.

  • Building AI-powered SaaS products and autonomous workflows
  • Designing RAG, semantic-search, and document-intelligence systems
  • Developing scalable web, cloud, and data applications
  • Translating complex business problems into usable software
  • Helping entrepreneurs adopt technology that produces measurable value

I take immense pleasure in helping entrepreneurs and businesses build the technology they need to succeed.


Current Focus

  • Building CartLens, an AI-powered retail price-intelligence platform
  • Developing production-ready RAG and document-intelligence systems
  • Exploring autonomous agents and the emerging agentic economy
  • Creating open-source software developers can deploy and extend
  • Automating repetitive business processes with dependable workflows

Technology Stack

Languages

TypeScript JavaScript Python Solidity

Frontend

React Next.js Angular Tailwind CSS

Backend and Data

Node.js FastAPI PostgreSQL MongoDB Supabase Firebase

AI, Automation, and Infrastructure

OpenAI Anthropic Gemini Pinecone Inngest Vercel Docker


Featured Projects

Document Chat System

Repository Live Demo Stars License

Document Chat System interface

An open-source, production-ready platform that transforms documents into intelligent AI conversations.

Highlights

  • Retrieval-augmented generation and semantic vector search
  • OpenAI, Anthropic, OpenRouter, and 100+ supported models
  • PDF, DOCX, text, image, and OCR processing
  • Optional IBM Docling integration for advanced extraction
  • Pinecone and pgvector storage options
  • Multi-tenant architecture and organization isolation
  • Clerk authentication, encryption, and role-based access
  • Stripe billing and SaaS monetization support
  • Asynchronous document processing with Inngest

Stack: Next.js · TypeScript · RAG · OpenRouter · IBM Docling · Pinecone · PostgreSQL · Supabase · Clerk · Inngest

CartLens

Website X Instagram LinkedIn Reddit Product Hunt Demo

CartLens AI-powered receipt and shopping intelligence platform

An AI-powered retail price-intelligence platform built to bring transparency to physical shopping.

CartLens analyzes receipts and price tags to help shoppers understand whether they received a fair price, compare local prices, and uncover opportunities to save.

Core capabilities

  • AI-powered receipt and price-tag scanning
  • Receipt OCR and automatic purchase digitization
  • Crowdsourced local pricing intelligence
  • Nearby price comparisons
  • Personalized savings insights
  • Historical purchase analysis
  • CartAssistant for conversational purchase and market analysis
  • Geospatial Lattice built from real, shopper-submitted prices
  • Spending DNA, Optimization Scores, and leakage analysis
  • Privacy-first, opt-in contribution to the crowdsourced price index

Focus: Applied AI · Computer Vision · Retail Intelligence · Crowdsourced Data · SaaS

Decentralized NFT Ecosystem

Case Study

Nzouat decentralized NFT marketplace

A learning-focused, full-stack Ethereum ecosystem for acquiring, managing, minting, and trading digital assets. The system included four smart contracts: ERC-20, ERC-721, crowdsale, and marketplace contracts, supported by a backend server and custom API.

Stack: Solidity · Ethereum · Web3.js · Angular · Node.js · MetaMask

REPORTED San Francisco

Case Study Presentation

REPORTED conversational incident reporting workflow REPORTED incident map exploration

A public-safety platform designed to create a unified, efficient channel for citizens, law-enforcement agencies, and organizations to collect and share incident information.

The broader project included a conversational reporting agent, real-time geolocation, structured incident capture, and an agency-facing workflow for managing incoming reports.

Stack: Dialogflow · Node.js · Actions on Google · Geolocation APIs

Hedera DApp

Case Study

Hedera decentralized application administration interface

A decentralized application and administrative interface built on the Hedera network.

Focus: Hedera · Distributed Ledger Technology · DApp Architecture · Administration UI

COVID-19 REST API

COVID-19 REST API project

A REST API project developed to organize and expose COVID-19 information for consumption by web and application clients.

Focus: REST APIs · Data Integration · Backend Development

Metroplex Multimedia

Metroplex multimedia streaming platform

A secure, two-part video platform consisting of an offline-capable PWA for organizations to access event content and a management backend for video projects, organizations, and access control.

Role: Software Architect and Developer

More projects and client work
Project Description Area / Role
APISync Inventory synchronization and systems integration Software Architect, API Developer
CaptureIt Cross-device progressive web application PWA development
CryptoHuntr Tracks crypto holdings, transactions, allocations, gainers, and losers across exchanges Fintech and data
NnengaSilk Custom Shopify commerce experience E-commerce
Data Mining in Politics Political data and behavioral-pattern research Data analysis
Conversational Agent Natural-language assistant connected to the REPORTED concept Conversational AI
Timelock Smart Contract Blockchain contract with time-based execution controls Smart contracts
Crypto Listing Platform Frontend and administrative dashboard for a crypto listing product Frontend development
Political Campaign Website WordPress campaign website Web development
NFT Marketplace UI/UX Marketplace product interface and user experience Product design

Selected Project Gallery

CryptoHuntr

CryptoHuntr portfolio tracking dashboard CryptoHuntr asset allocation analytics

APISync

APISync inventory synchronization architecture APISync application interface

CaptureIt

CaptureIt session interface CaptureIt grading interface

Explore the complete project and client portfolio →


GitHub Activity

Christian's GitHub statistics Christian's most-used languages

Contribution streak

Language statistics reflect public repository code, not overall professional proficiency.


Education and Credentials

  • M.S. in Management Information Systems — Nova Southeastern University
  • M.B.A. in Entrepreneurship — Nova Southeastern University
  • B.B.A. in Commercial Computing — Adventist University of Cosendai
  • Certified Automation Expert — Systeme.io
  • Expert Author Certificate — EzineArticles

Let's Connect

I'm open to conversations about AI product development, RAG systems, business automation, SaaS architecture, open-source collaboration, and early-stage technology ventures.

Website LinkedIn X GitHub Gists ORCID Contact

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  1. document-chat-system document-chat-system Public

    Open-source document chat platform with semantic search, RAG (Retrieval Augmented Generation), and multi-provider AI support (OpenRouter, OpenAI, ImageRouter).

    TypeScript 147 38