Full-Stack |

AI Chatbot & Workflow Customization

Thu, 27 Aug 2026 00:00:00 +0000

Customization and integration work on a Dify-based AI chatbot platform for hospitality use cases. The work extends an existing open-source platform rather than building a language model or orchestration engine from scratch.

Contributions

Interactive workflow nodes: custom carousel and form nodes, including form submission and workflow continuation.
Embedded chat experiences: website chat integration, response rendering, and message action buttons.
Knowledge retrieval: hotel information workflows that connect user questions to relevant knowledge-base content.
Backend integrations: model credential fallback, structured response handling, and workflow error handling.
Deployment support: Docker-based application builds and maintenance of a customized Python / Next.js stack.

Engineering Focus

Interactive forms affect both the chat UI and backend workflow state. Work on this platform spans the frontend rendering contract, submitted form data, and continuation of the conversation after a user action.

Scope & Contribution

Customized workflows, embedded chat interfaces, and backend integration delivered for hospitality operations, actively running with ongoing feature support.

Attribution

Built on open-source . Case study covers custom workflows, UI extensions, and backend integration.

E-DR Compliance Platform

Sat, 01 Mar 2025 00:00:00 +0000

A compliance platform helping companies meet EU Deforestation Regulation (EUDR) requirements, built with a high-performance Go backend and a modern Nuxt admin/web portal.

Overview

The system manages compliance data, document uploads, and reporting workflows. The backend exposes a typed GraphQL API while the portal provides an intuitive interface for managing records.

Key Features

GraphQL API built with gqlgen and GORM over PostgreSQL
Document management with AWS S3 storage
Admin & web portal built on Nuxt.js with a Tailwind-based design system
Focus on scalability and concurrency with Golang

Tech Stack

Backend: Golang, GraphQL (gqlgen), GORM, PostgreSQL, AWS S3
Frontend: Nuxt.js, TypeScript, Tailwind CSS

C-Tag: Networking & Messaging Platform

Mon, 20 Jan 2025 00:00:00 +0000

A networking platform that connects people through tag-based matching and real-time messaging, built as a microservices monorepo.

Overview

The system is split into focused services: a Go-based backend for matching and messaging, a Frappe-based module for business processes, and a web application for the user-facing experience.

Key Features

Tag-based matching engine for connecting users
Real-time messaging with WebSocket-based communication
Microservices architecture in Golang for scalability
Frappe integration for business workflows
Web application frontend

Tech Stack

Backend: Golang (microservices)
Business layer: Frappe
Frontend: Node.js web app

Land Management System

Sun, 05 Jan 2025 00:00:00 +0000

A modern multi-company (multi-tenant) land management system built with a Golang backend and NuxtJS frontend.

Overview

Supports multiple companies on a single platform, managing the full lifecycle of land planning and agricultural operations across dealers, farmers, and transporters.

Key Features

Land planning & crop/plant tracking
Dealer, farmer, and transporter management
Multi-tenant support for multiple companies
Built and maintained the frontend application end to end

Tech Stack

Backend: Golang
Frontend: NuxtJS, TairoCSS

Q-Table: Restaurant Platform

Sun, 01 Dec 2024 00:00:00 +0000

A restaurant platform combining customer-facing applications with a marketing website, designed to streamline dining and ordering experiences.

Overview

The platform is organized into an apps workspace for the product experience and a separate marketing site, sharing a consistent design and tech foundation.

Key Features

Customer-facing apps for restaurant operations
Marketing website for the brand
Shared design system across surfaces

Tech Stack

Frontend: React, TypeScript
Backend: Node.js, REST APIs

Healthcare & Medical Services System

Thu, 01 Aug 2024 00:00:00 +0000

A comprehensive healthcare and medical services system in Japan, designed to manage and monitor employee schedules and progress while providing a customer-facing experience.

Overview

The application ensures efficient healthcare service management and improved patient care, combining a Laravel backend with a Next.js frontend.

Responsibilities

Requirement analysis
Developed backend APIs and database schema
Built and maintained the frontend application
Reported weekly progress to the project leader

Tech Stack

Backend: PHP (Laravel)
Frontend: Next.js
Database: MySQL

NFC Digital Business Card

Wed, 01 Nov 2023 00:00:00 +0000

An innovative solution that uses NFC technology to replace traditional business cards.

Overview

Users exchange personal information seamlessly by simply scanning an NFC tag, enhancing networking efficiency and convenience.

Responsibilities

Requirement analysis
Developed backend APIs and database schema
Built and maintained the mobile application
Reported weekly progress to the project leader

Tech Stack

Backend: NestJS, MySQL
Mobile App: React Native

Modular CRM System

Tue, 01 Aug 2023 00:00:00 +0000

A comprehensive Customer Relationship Management (CRM) system designed to manage and streamline customer interactions, enhance sales processes, and improve customer satisfaction.

Overview

The system includes modular functionality that allows customers to add, remove, or enable/disable features according to their needs.

Responsibilities

Requirement analysis
Developed new features and fixed bugs
Code review
Reported weekly progress to the project leader

Tech Stack

Backend: PHP (CodeIgniter 3), MySQL
Infrastructure: Docker
Frontend: HTML5/CSS3, Bootstrap, ChartJS