Systems & Engineering Portfolio

Project Catalog & Case Studies

Production-grade automation engines, self-hosted infrastructure, and autonomous AI systems battle-tested under real operational load.

Architectural Flagships

In-Depth Technical Case Studies

Comprehensive architectural breakdowns of high-throughput production systems, featuring custom microservice architectures, fault-tolerant failovers, and verified business outcomes.

Production Archive & Blueprints

All Systems, Workflows & Prototypes

Explore our complete directory of 30+ production automations, self-hosted microservices, active-passive failover routines, and interactive sandbox prototypes.

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Autonomous WhatsApp Commerce Engine
Production

Autonomous WhatsApp Commerce Engine

n8n (Self-Hosted) · WAHA (WhatsApp API) · Payment Gateway (Midtrans/QRIS) · Supabase · AI Agents

An end-to-end conversational commerce engine converting WhatsApp into a full self-checkout storefront. Autonomously handles customer inquiries, verifies dynamic payment settlements via Payment Gateway webhooks, and dispatches instant fulfillment orders without human intervention.

Executive Intelligence Operations Monitor
Automated Workflow Evaluation Engine
Executive Telegram Intelligence Delivery
Production

Executive Operations & Daily Intelligence AI

n8n (Self-Hosted) · AI Agents · Supabase · Multi-Channel Dispatch

A multi-channel autonomous executive briefing agent that analyzes daily team task completion, detects cross-departmental operational bottlenecks, and delivers synthesized morning intelligence directly to founders and leadership.

AI Planner API - API Documentation & Endpoints
AI Planner API - Long-Term Vector Memory & Execution
Production

AI Planner (API Service)

FastAPI · LangGraph · Supabase · Python · Webhooks

A production-grade, headless AI API integrating a LangGraph Planner Agent with Supabase Vector DB for long-term memory. It features an automated Reflection Engine to orchestrate goals and tasks in real-time, providing endpoints for authentication, conversations, chats, user profiles, goals, and task management ready to serve Web, Mobile, or n8n clients.

AI Planner CLI - Profile Initialization
AI Planner CLI - Plan Generation
Production

AI Planner (CLI)

Python · LangChain · LangGraph · JSON

A command-line AI Agent designed to help users achieve complex goals. Utilizing a stateful LangGraph state machine and a local JSON database, it retains user profile memory across sessions to build and adapt highly personalized execution plans. Installable via pip for instant terminal integration.

High-volume E-commerce Engine
Microservice Container Infrastructure
Custom Control Panel
Production

High-Volume Event-Driven Automation Engine

Python · Docker · Supabase · APIs · Spreadsheets

An event-driven transaction processing engine deployed to automate high-volume operations during staff downsizing. It automated 40,000+ transactions in its first year, cut manual admin workload by 75%, and is designed to be fully adaptable for high-speed lead routing and multi-channel CRM sync.

Read Technical Case Study âž”
Multi-Store AI Customer Inquiry Responder
Production

24/7 Multi-Store AI Customer Inquiry Responder

AI Agents · Marketplace APIs · Webhooks · n8n

An autonomous customer support AI responder running 24/7 across multiple storefronts. Instantly answers customer inquiries outside standard business hours, preventing order cancellations and protecting store conversion rates.

Self-Hosted LLM Observability & Token Cost Control
Production

Self-Hosted LLM Observability & Token Cost Control

Langfuse (Self-Hosted) · Docker · PostgreSQL · OpenTelemetry · LLM Tracing

A private, self-hosted LLM observability stack deployed on private infrastructure. Traces every AI agent prompt, monitors per-session token expenses, and evaluates output latency and accuracy with 100% data sovereignty.

Conversational HR Operations Interface
Production

Conversational AI Agent & WhatsApp Data Intake

n8n (Self-Hosted) · WAHA (WhatsApp API) · AI Agents · Google Sheets

An automated conversational intake agent via WhatsApp. It processes natural language inputs, validates data in real-time, and updates databases autonomously. This reusable engine is highly adaptable for customer support routing and automated lead intake.

Read Technical Case Study âž”
Failover Control Center Dashboard
Cloudflare Worker Edge Router
Distributed Atomic Lease in Redis
Watchdog Daemon Service Logs
Production

Single-Leader Container Failover Engine

Python · Docker · Upstash Redis · Cloudflare Workers · FastAPI

A zero-cost, split-brain immune active-passive failover system. Eliminates race conditions and duplicate order processing for mission-critical e-commerce engines and background queue services (Python / n8n) with >99.9% verified uptime and zero Kubernetes overhead.

Read Technical Case Study âž”
Lightweight Auto Failover Orchestrator
Production

Lightweight Active-Passive Docker Failover

n8n · Cloudflare API · Docker · SSH

A zero-cost, resource-light alternative to Kubernetes. Dynamically manages stateful Docker containers via SSH and Cloudflare APIs, supporting single-domain workflows while preventing data duplication.

Zero-Cost Webhook Gateway Failover
Production

Zero-Cost Active-Active Webhook Gateway

n8n · Cloudflare API · Docker · Webhooks

Lightweight failover for stateless webhooks on a single domain. Concurrently routes traffic to active containers using n8n and Cloudflare APIs without complex Docker Swarm clustering overhead.

Zero-Cost Database Ingestion Failover
Production

Zero-Cost Active-Active Database Ingestor

n8n · Cloudflare API · Docker · Databases

Low-cost active-active database ingestion running parallel containers. Dynamically shifts DNS traffic and manages ingestion states without resource-heavy clustering requirements.

Looker Studio Stock Dashboard
Looker Studio Sales Dashboard
Looker Studio Customer Dashboard
Supabase Orders Data
Supabase Customer Data
Production

Centralized Data Infrastructure & AI Memory Layer

n8n · Supabase · Looker Studio · SQL · Spreadsheet

A centralized database and automated pipeline infrastructure aggregating multi-source transaction and operational events. This serves as a single source of truth for both live BI analytics and the context-aware memory layer for automated AI workflows, eliminating manual daily reporting and establishing a query-ready backend for agentic routines.

Marketplace API Session & Token Manager
Production

24/7 Marketplace API Session & Token Manager

Python · REST APIs · Docker · Cron Schedulers · Webhooks

An automated background service keeping marketplace API authentication tokens permanently refreshed across 4 stores every 4 hours. Prevents session expiration and ensures zero fulfillment dropouts during peak multi-store transaction volume.

Marketplace Alert Notification
Order Alert Notification
License Alert Notification
Production

Real-Time Monitoring & Alert System

n8n · Python · Termux · TTS · WA Groups · Email

Protects revenue and customer satisfaction by instantly alerting staff (Voice + Text) about stockouts, expired products, and deleted listings.

Automated Meeting Generator Dashboard
Meeting Management Web Application
Production

Automated Meeting & Session Generator

Python · Flask · REST APIs · Supabase

A high-volume automated scheduling application. In its first year, it generated 95,000+ virtual training and webinar sessions across multiple hosts, checked for duplicate meetings on identical dates, and managed passcodes and join links in a central database to eliminate scheduling conflicts.

Intelligent Order Processing Interface
Production

WhatsApp Order Extractor

n8n · AI Agents · Sheets API · WAHA (WhatsApp API)

Parses unstructured order text from WhatsApp messages and inserts clean, structured data into fulfillment spreadsheets, eliminating entry errors.

Voucher Redemption Web App
Production

Customer-Facing Voucher Redemption App

HTML/CSS · JavaScript · APIs · Database Sync

A public-facing web application running 24/7. In its first year, it processed 53,000+ successful redemptions and opened an entirely new revenue stream by facilitating 1,300+ direct web transactions. Acts as the final step of the order automation loop.

Market Intelligence Dashboard
Production

Automated Market Intelligence Pipeline

Apify · n8n · Google Workspaces

Scalable data acquisition infrastructure executing 1000+ ingestion jobs per run. Orchestrates multi-source data collection and automated cleaning pipelines.

Multi-Channel Blueprint Delivery
Interactive Lab 🧪

Multi-Channel Blueprint Delivery

n8n · Supabase · Email · WAHA · Telegram

Event-driven document compiler that bundles active canvas nodes, connects database context, compiles custom report blueprints, and dispatches them via Email, WA, or Telegram.

Test Live Dispatch âž”
AI Receptionist Call Dashboard
AI Receptionist n8n Workflow
Live Prototype 🧪

AI Receptionist Agent (Voice AI)

Vapi · Telnyx SIP · AI Agents · n8n · Airtable

An interactive voice agent capable of holding natural, real-time phone conversations with low latency and low costs. Fully integrated with n8n to process caller data, automatically collect leads, and analyze lead quality.

Voice AI
MVP

Autonomous Voice Receptionist

Twilio · AI Agents · n8n

Voice AI capable of holding natural phone conversations, routing calls, and handling inquiries without human intervention.

VA Main Interface
VA HRIS Integration
VA IT Support Integration
MVP

Context-Aware Internal VA

n8n · AI Agents · Gemini · Agentic AI

Multi-intent conversational assistant that routes employee requests across IT, HR, and reporting workflows. Identifies intent and dispatches tasks autonomously.

IT Support Agent Architecture
RAG Knowledge Base Ingestion Pipeline
RAG Vector Lifecycle Management
MVP

RAG-Powered IT Support Agent

n8n · Google Drive · Gemini · Vector DB

Autonomous IT support agent with a self-managing RAG knowledge base. Auto-embeds documents on Drive upload and auto-purges vectors on file deletion.

AI Automation Consultant
Interactive Lab 🧪

AI Automation Consultant (Chatbot)

Next.js · n8n · Supabase · LLMs

Conversational AI consultant designed to analyze business process bottlenecks and automatically recommend integration paths. Dynamically maps workflows on a live canvas in real-time.

Test Live Chatbot âž”
AI Automation Consultant
Interactive Lab 🧪

AI Automation Consultant (Voice AI)

Vapi · LLMs · n8n · Supabase

Low-latency voice agent capable of holding natural, real-time phone conversations. Fully connected to background webhooks to analyze the conversation and recommend workflows on a live canvas.

Test Live Voice Call âž”
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