(02) Work

Selected Work

01B2B Foodservice Ordering Platform 02MaizeGenie 03SEO Audit & Scraping Platform 04Multi-Tenant CRM System 05User Management System 06Salon Management SaaS Platform 07Universal POS System 08AI Agent Workflow Automation08 projects

A few things I've built.
Full-stack platforms, applied AI, and tools for everyday work.

System overview

B2B Foodservice Ordering Platform

Catalog search and paginationCart quantity management and checkout flowCustomer authentication and role-based access control

Architecture illustration

01Full Stack / Featured

B2B Foodservice Ordering Platform

A full-stack ordering platform for restaurants to browse products, manage carts, place orders, and track order history.

Stack: Java · Spring Boot · React · TypeScript · PostgreSQL · Redis · Docker · GitHub Actions

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System overview

MaizeGenie

Image-based maize pest identificationObject detection and image classificationPest lifecycle information

Architecture illustration

02Full Stack / Featured

MaizeGenie

An AI-powered mobile platform supporting sustainable and profitable corn cultivation through pest identification and control guidance.

Stack: Python · Machine Learning · Deep Learning · Computer Vision · YOLO

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System overview

SEO Audit & Scraping Platform

On-page SEO, Core Web Vitals, broken-link, and keyword auditsGoogle PageSpeed Insights integrationBackground audit execution with Celery and Redis

Architecture illustration

03Full Stack

SEO Audit & Scraping Platform

A full-stack SEO platform that crawls websites and creates automated reports for technical and on-page issues.

Stack: Python · Django · Next.js · PostgreSQL · Celery · Redis

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System overview

Multi-Tenant CRM System

Organization-level data isolationAdmin, Manager, and Staff access rolesAutomated activity logging through Django signals

Architecture illustration

04Full Stack

Multi-Tenant CRM System

A production-oriented CRM with organization-level data isolation, role-based access, audit tracking, and cloud file storage.

Stack: Django · Python · React · TypeScript · PostgreSQL · AWS

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System overview

User Management System

Java

Spring Boot

MySQL

User CRUD REST APIsController, service, and repository layersSpring Data JPA persistence

Architecture illustration

05Backend

User Management System

A layered Spring Boot backend for creating, viewing, updating, and deleting user records.

Stack: Java · Spring Boot · MySQL

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System overview

Salon Management SaaS Platform

Appointment schedulingInvoicingCustomer and staff management

Architecture illustration

06Full Stack

Salon Management SaaS Platform

A multi-tenant SaaS platform covering appointments, invoicing, customers, staff, analytics, and reporting.

Stack: React · TypeScript · Tailwind CSS · Supabase

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System overview

Universal POS System

Electron.js

React

SQLite

Offline-first operationMulti-business-type supportReal-time inventory tracking

Architecture illustration

07Full Stack

Universal POS System

A cross-platform offline-first desktop point-of-sale system supporting grocery, restaurant, and retail workflows.

Stack: Electron.js · React · SQLite

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System overview

AI Agent Workflow Automation

OpenAI Models

n8n

Context-aware response generationAgent memory managementOpenWeatherMap API integration

Architecture illustration

08Backend

AI Agent Workflow Automation

A context-aware AI agent workflow integrating memory, external APIs, weather data, and webhook triggers.

Stack: OpenAI Models · n8n

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The experience behind this work.

My journey