Senior Backend Engineer and Senior AI Engineer at Indonesia’s legal information platform, working on a serverless MVP, retrieval over case law, critical fixes, and observability. [Golang, Python, AWS].

Mid-level Backend Engineer at an aquaculture technology company, focused on performance optimization, service architecture, and observability. [Golang, PostgreSQL, Kafka].

Mid-level Backend Engineer at a SaaS business management platform for MSMEs, focused on cost calculation systems and performance profiling. [Golang, Kafka].

Backend and scheduler for Risa, the IT asset and maintenance system used across Pelindo III’s Kalimantan region. [Golang, MongoDB].

The Flutter app IT staff and vendors carried into the field across seven Pelindo III branches: inventory, daily checks, reports, and alerts. [Flutter, Dart].

Two awards for best implemented idea at Pelindo III’s Innoreactivation event on 23 March 2021, for ITventory and ECDR, both in full use across Regional Kalimantan at the time.

A free REST API the Kalimantan programmer community could practice JWT against, a real server instead of a mock. Retired; kept here for what it taught. [Golang, MongoDB].

Metrics and email alerting across the Linux and Windows servers at Pelindo III Banjarmasin. [Prometheus, Grafana, Linux].

IT asset records, stock, maintenance history, and CCTV status for Pelindo III’s branches across Kalimantan, built for staff working rolling shifts. [Kotlin, Flask, MongoDB].

Photographic evidence of container condition at every checkpoint in the port, replacing a paper form that carried no photos and needed a signature collected in person. [Kotlin, Flask, MongoDB].

My first Android app built against a backend I wrote, deployed, and paid for myself, instead of a tutorial’s mock API. [Kotlin, Django, PostgreSQL].