Systems we built
and shipped

An internet and tenant management platform for commercial residential property — automated provisioning over the MikroTik REST API, three billing modes, a PWA tenant portal, a reconciler that repairs device configuration by itself, and a compliance centre retaining traffic logs under Thailand's Computer Crime Act §26. The service-control and logging planes are deliberately separated from management so tenant connectivity never stops.

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Subscriber management for internet service providers running MikroTik RouterOS, connecting to devices directly over REST without an external RADIUS server. Includes NetFlow analytics, an interactive topology map, PDF invoicing, automated slip verification, SNMP monitoring and flexible role-based access control.

An AI agent on LINE Official Account and WhatsApp acting as a full-time service representative — answering general enquiries, looking customers up in the live database, accepting payment with automated slip verification, activating internet service immediately, and stepping aside the moment a staff member joins the thread. A two-tier LLM architecture keeps cost flat as volume grows.

A local-first AI agent for multi-vendor network configuration and monitoring (Juniper · MikroTik · Cisco · TP-Link · Fortigate). Configuration is expressed in natural language but always passes a mandatory pipeline: dry-run → human approval → confirmed commit → verify → rollback, with a central source of truth and compulsory drift detection.

A complete in-house AI platform on NVIDIA DGX Spark running six workloads concurrently — primary agent brain, customer service bot, coding pipeline, NOC auto-remediation, internal knowledge RAG and a Thai-language co-pilot — escalating to the cloud only when the local model reports low confidence.

An on-premise online meeting platform with real-time Thai transcription, two-way Thai ↔ English translation, automatic minutes and RAG-based search over past meetings. Designed so that everything runs inside the organisation — no audio or transcript reaches a public cloud.

Receipt and input-tax invoice capture using a vision language model, built for accounting teams — photograph → AI extraction → automated validation → humans review only flagged documents → export the input-VAT report (.xlsx) supporting the Thai P.P.30 filing.

A building energy management system ingesting telemetry from endpoint devices wired to electricity, water and temperature/humidity sensors, then processing it through three AI layers (statistical baseline → local model → cloud escalation) to raise anomaly alerts and analyse consumption trends.

End-to-end maintenance management for community water systems, serving three user groups — residents scan a QR code to report a fault with photos and GPS without logging in, the central team raises a work order and assigns a contractor, and the contractor checks in on site recording before-and-after evidence.

An Android point-of-sale application for professional payment terminals (Sunmi), used to collect cable TV and internet payments at the counter and in the field. Supports multiple payment channels, prints receipts on the built-in printer and reconciles automatically into the back-office system.

A distributed video stream recording system ingesting from multiple sources (RTMP, HLS, UDP multicast), writing to disk with daily file rotation and running continuously 24/7, with a centralised console showing the state of every node.

OCR of customs tariff documentation (WCO Harmonized System Explanatory Notes), chunked along the real classification hierarchy (Section → Chapter → Heading) to build a retrieval-augmented expert system for customs classification that can cite its source.