// portfolio

Selected projects.

A look at what I've shipped — across backend systems, LLM-powered tools, and automated pipelines.

Automation · AI

Auto FAQ Chatbot + Auto-ticketing

LLM-powered chatbot that handles helpdesk FAQ routing and automatically creates support tickets when a question falls outside scope — significantly reducing manual workload.

n8nLLMWhatsApp APITicketing System
Internal project

Automation

Ticket Generator via WhatsApp

Lets the helpdesk team create support tickets directly from WhatsApp without switching to the ticketing system — cutting friction out of the incident response flow.

n8nWhatsApp APIWebhook
Internal project

Automation · Integration

OCI Metrics & Backup Log Monitoring

Automated pipeline that collects OCI monitoring metrics and backup logs, stores them in Lark Base, and distributes reports to each team's WhatsApp group and Lark chat channel — keeping every team informed without manual checks.

n8nOracle Cloud (OCI)Lark BaseWhatsApp APILark Chat
Internal project

Automation · Integration

OCI Billing Monitoring Dashboard

Automated billing monitor that pulls OCI cost data, persists it in Lark Base, and surfaces it through a dedicated Lark Dashboard — giving stakeholders clear visibility into cloud spend at a glance.

n8nOracle Cloud (OCI)Lark BaseLark Dashboard
Internal project

Backend · Database

Data Warehouse System

Data warehouse built to support the data engineering team's analytical needs — covering ingestion pipelines and centralized storage for strategic reporting.

PostgreSQLData Pipeline
Internal project

Backend

Servant — Internal Backend App

Backend development of the 'Servant' application supporting core business workflows for the Service Management division at PT Integrasi Logistik Cipta Solusi.

Node.jsPostgreSQLREST APIDocker
Internal project

Automation · n8n

Data Integration & Migration Automation

n8n automation that handles cross-system data integration and migration — reducing manual errors and speeding up data synchronization across operational platforms.

n8nPostgreSQLWebhook
Internal project

Automation · n8n

Lark Project Management Automation

End-to-end Lark workflow for the Digital Infra & Security division's project management flow — from receiving an RFI all the way through Pre-SPH issuance. Includes auto-generated BOQ documents, automated email notifications once a Pre-SPH is approved by manager and senior manager, and assessment team reminders before field visits and post-assessment if reports haven't been submitted.

n8nLark BaseLark AutomationDocument Generation
Internal project