System Architecture & Engineering

JH Software Solutions — Engineering Intelligent Systems & Scalable Solutions.

Bridging the gap between software architecture, cloud integrations, and physical computing. We build robust systems for worldly issues.

Projects Showcase

AutoBro Platform
TanStack Start React 19 Supabase

AutoBro

The mobile mechanic co-pilot for specs, live parts, and faster diagnostics. A workshop-ready platform built to assist mobile mechanics.

Sift and Screen Platform
Flutter Cloud Sync B2B SaaS

Sift and Screen Platform

Offline-first application designed for fleet management and daily maintenance logging in quarrying and field environments.

Scholarsgate Project
Web3 Solidity Decentralized

Scholarsgate Project (In Development)

A secure, decentralized funding platform designed to get schools built faster. Instead of relying on bloated administrative systems, I have engineered a secure email claim architecture and automated refund services on the blockchain to guarantee total transparency and accountability, ensuring community funds go straight into getting projects built rather than getting lost in administration.

Reticulum MeshCore Meshtastic
IoT Meshtastic Firmware

Mesh Integrations

Engineered and deployed standalone nodes and devices utilizing Meshtastic, MeshCore, and Reticulum firmware. Extensive integration experience with Heltec V4 and LilyGO T-Deck Plus/Pro hardware.

AIRSPACE MONITOR
LilyGO T-Display-S3 TTGO T-Display (ESP32 ESP32-S3)

Airspace Monitor

Airspace Monitor is a self-contained, real-time flight tracking device built on the ESP32 microcontroller platform. It integrates directly with the...

BLE BADGE
LilyGO T-Display-S3 (ESP32-S3)

BLE Badge

BLE Badge is an advanced, interactive smart wearable badge built on the LilyGO T-Display-S3 (ESP32-S3). It is designed to operate as a fully self-c...

CONNECT 4OR
Android

Connect 4or

Connect 4or is a native Android implementation of the classic Connect Four strategy game. Built entirely in Kotlin using modern Android development...

GLOBAL THREATS INSIGHTS
LilyGO T-Display-S3 (ESP32-S3)

Global Threats Insights

Global Threats Insights is a real-time cybersecurity intelligence ticker device — a purpose-built "Cyber Ticker" running on the LilyGO T-Display-S3...

GOLD & SILVER PRICE TRACKER
LilyGO T-Display-S3 LilyGO T-Deck Plus LilyGO T-Dongle S3 (ESP32-S3)

Gold & Silver Price Tracker

Gold & Silver Price Tracker (internally titled "MetalsTracker") is a real-time precious metals price display device built for the LilyGO ESP32-S3 h...

HAYWARDS HUB
LilyGO T-Deck Plus (ESP32-S3FN16R8 — 16MB Flash, 8MB OPI PSRAM)

Haywards Hub

Haywards Hub is a sophisticated off-grid, long-range communications device built on the LilyGO T-Deck Plus — a compact all-in-one device featuring ...

JOKE BOX
LilyGO T-Display-S3 (ESP32-S3)

Joke Box

Joke Box is the original version of what evolved into the BLE Badge — an interactive, WiFi-enabled smart badge/display device built on the LilyGO T...

N-I-S (NETWORK INTRUSION SCANNER)
LilyGO T-Display-S3 (ESP32-S3)

N-I-S (Network Intrusion Scanner)

N-I-S (Network Intrusion Scanner) is a compact, standalone wireless network security scanner and deauthentication attack detector built on the Lily...

NO-ESC AIRGAP LAB
Browser-based (HTML, CSS, JavaScript) — Tauri Desktop App

NO-ESC AirGap Lab

NO-ESC AirGap Lab is a specialised interactive cybersecurity training and validation dashboard designed for security researchers and network analys...

ROLEZ POCKET
LilyGO T-Display-S3 (ESP32-S3) + Windows PC Companion App

Rolez Pocket

Rolez Pocket is a real-time PC system statistics display and visual experience device built for the LilyGO T-Display-S3. It connects to a Windows P...

SNIFF''EM
LilyGO T-Display-S3 (ESP32-S3)

Sniff''em

Sniff''em is a plug-and-play passive WiFi environmental monitor with an integrated reactive digital pet — designed for the LilyGO T-Display-S3 (ESP...

T-DONGLE HONEYPOT (CYBERPOT)
LilyGO T-Dongle S3 (ESP32-S3)

T-Dongle Honeypot (CyberPot)

T-Dongle Honeypot (branded on-device as CyberPot) is a fully functional network security honeypot and Network Intrusion Detection System (NIDS) emb...

Engineering Devlog

2026-08-03 // SIFT & SCREEN APP

Auto-Router Lifecycle Hotfix & SQLite Parsing

Identified and resolved a race-condition crash in the Auto-Router on fast devices, and replaced unsafe numeric casts to immunize the UI against bad database types via PowerSync.

2026-07-31 // SIFT & SCREEN WEB

Global Support Widget & Resend Integration

Built a custom asynchronous support pipeline using the Resend API to deliver user inquiries directly to the support inbox, setting clear 24-hour response expectations.

2026-04-20 // SCHOLARSGATE

The Dashboard-Less Refund Architecture

Deployed a system where donors receive cryptographically secure, single-use claim links for fiat returns if campaigns fail, blending Web3 escrow with effortless Web2 convenience.

2026-07-03 // SIFT & SCREEN WEB

Event-Sourced Fuel Master Dip Ledger

Implemented an enterprise-grade ledger system for Fuel Master Dips to record replenishments dynamically against machine consumption, avoiding race conditions at mass scale.

Get in Touch

Have an engineering challenge, or looking for robust software and hardware integration? Let's discuss scalable solutions.

jh@jhsoftware.com.au