AI Engineer · Product Builder · Cybersecurity Learner

I build useful software, from idea to launch.

I'm Fabian Chikezie. I build AI products, backend systems, and tools for education, automation, and fintech.

Explore My Projects Get In Touch
Builder Turns product ideas into shipped software
AI Works with RAG, LLMs, embeddings, and intelligent workflows
Backend Builds APIs, databases, infrastructure, and deployment paths

Who I Am

I turn ideas into working products.

My name is Fabian Chikezie. I am an AI engineer and product builder. I work on AI tools, backend systems, APIs, and web products.

I enjoy solving real problems and building products people can use. I learn by building, testing, fixing, and improving my work.

Online, I also use the names Sazzy and cruzanx.

About this site

What this website is for

This website shows the products I am building, the skills I am learning, and the problems I enjoy working on.

Featured Projects

Projects I am building and improving.

DataCube AU homepage preview

DataCube AU · Founder & Lead Developer

AI study platform

An AI study platform that helps students learn, practise for exams, and find useful study material.

FastAPI PostgreSQL RAG Embeddings PWA

Status: Active Development

  • AI Chat
  • Exam Prediction Engine
  • Practice Exam Generator
  • Knowledge Hub
  • Study Path Recommender
  • Offline Learning Support

Zina · Creator & Developer

WhatsApp AI assistant

A personal AI assistant that works through WhatsApp. It can remember context, organise conversations, and help with project tasks.

WhatsApp → WAHA → FastAPI → PostgreSQL

Status: Active Development

  • Memory Management
  • Conversation Summaries
  • Project Awareness
  • Knowledge Base
  • Admin Dashboard
  • AI Routing

ZinaX · Creator & Lead Developer

AI Platform Infrastructure

A platform for using cloud and self-hosted AI models in one place. It is being built to manage AI providers, projects, models, and usage.

Architecture vision: provider abstraction, model orchestration, local deployment, and cloud AI integration under one AI operating layer.

AI Infrastructure Model Orchestration Provider Abstraction Local AI Deployment Cloud AI Integration Project Management Systems

Status: Active Development

  • Multi-Provider AI Routing
  • OpenRouter Integration
  • Local Model Support
  • Self-Hosted AI Infrastructure
  • RunPod Integration
  • Project-Based Workspaces
  • Token Usage Monitoring
  • Model Management
  • Voice Interaction Support
  • Future Persistent Memory
  • Future RAG Integration
Moxiz Gateway homepage preview

Moxiz Gateway · Creator & Lead Developer

Payment sandbox

A payment sandbox for testing payment flows, API keys, webhooks, failures, and transaction states without using real money.

Next.js 15 TypeScript Firebase Firestore Tailwind CSS Shadcn UI Service Layer Architecture

MerchantService → TransactionService → WebhookService → Firestore Data Layer

Demonstrates backend architecture design, fintech workflow modeling, API design, event-driven systems, webhook infrastructure, and platform engineering principles.

Status: Active Development

  • Transaction Lifecycle Engine
  • Payment Intent Simulation
  • API Key Management
  • Webhook Delivery & Replay
  • Sandbox Failure Testing
  • Real-Time Analytics Dashboard
  • Infrastructure Monitoring
  • Service-Oriented Architecture
  • Real-Time Synchronization
  • Optimistic UI Updates

Skills

Tools and skills I use to build software.

01

AI & Machine Learning

  • RAG Systems
  • LLM Integration
  • Prompt Engineering
  • Embeddings
  • AI Agents
02

Backend Engineering

  • Python
  • FastAPI
  • PostgreSQL
  • API Development
03

Infrastructure

  • Linux
  • Docker
  • VPS Deployment
  • Nginx
04

Cybersecurity

  • Networking
  • Linux
  • SQL
  • Security Operations
  • Threat Detection
  • Incident Response
  • Risk Management

Google / Coursera

Google Cybersecurity Professional Certificate

Training in Linux, SQL, network security, security operations, threat detection, incident response, and risk management.

View Certificate

Builder Operating System

Product thinking backed by backend architecture and reliability.

Fabian's work connects user problems to deployable architecture: AI features, databases, APIs, automation pipelines, dashboards, and infrastructure that can keep improving after launch.

Idea Prototype Deploy
Product Loop
Test Learn Iterate

Timeline

A practical path from software curiosity to AI product building.

01

Started exploring technology and software development

02

Started learning cybersecurity and completed the Google Cybersecurity Professional Certificate

03

Learned backend engineering and APIs

04

Began building AI-powered systems

05

Created DataCube AU

06

Built Zina

07

Started development of ZinaX

08

Started building Moxiz Gateway for fintech infrastructure simulation

Contact

Let's connect.

You can contact me about software projects, AI products, backend systems, or cybersecurity.

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