Each entry below is a real engagement: what the system does, who it was for (as a descriptive alias) and the technology involved. The full write-ups are in Chinese.
An overseas social video start-up
A native Swift app, from version 1.0 in 2024 through a full 2.0 rebuild, together with a Python model service for image-to-text, video and music generation. Released on the US and UK App Stores in 2026 and still being updated.
Swift · Firebase · Python
A Hong Kong marketplace operator
A customer app, a merchant app and a web front end from one cross-platform codebase, on a Java microservice back end. Traditional Chinese and English interfaces with Facebook sign-in; released to the App Store in several regions and to Google Play.
uni-app · Java microservices
An overseas social app operator
Voice chat rooms on native iOS (Swift) and Android, plus a web front end, localised into more than 70 languages with in-app purchases on Google Play. Live on both stores since 2022 and still updated regularly.
Swift · Android · Firebase
A US property rental business
Tenants, landlords, agents and administrators in one platform, with landlord verification, Google sign-in, bulk listing import and an admin console, delivered with an automated deployment pipeline.
Spring Boot · Vue · MySQL
Full write-up (Chinese)
A 3D scanning technology company
An end-to-end chain from phone capture to finished 3D model: iOS scanning in Swift, a reconstruction engine in C++, and Python processing stages. Eight repositories, maintained from 2024 to 2026.
Swift · C++ · Python
Full write-up (Chinese)
A US foot-care and orthotics company
Two native Swift apps that capture the foot in 3D and turn the scan into a custom orthotics order. Released on the US App Store, with the first app maintained and updated since 2022.
Swift · 3D scanning SDK · Firebase
Full write-up (Chinese)
Medical device and health-screening clients
Companion apps and back-end services for medical devices, including an eye-health screening app and an ECG system, delivered and maintained over several years.
iOS · Android · Java
Full write-up (Chinese)
A power equipment reliability company
Live generator parameters, threshold alarms and historical trend review in one web console.
Vue · data acquisition
Full write-up (Chinese)
Provincial safety supervision projects (two provinces)
One solution deployed for two provincial projects: a regulator portal, an enterprise portal, a mobile inspection app, a situation dashboard, and inspection reports generated automatically as Word documents.
Web · Android · Dashboard
Full write-up (Chinese)
A low-altitude economy operator
One platform to register, plan, supervise and dispatch drones, unmanned ground vehicles and unmanned boats that each report data in a different format.
Platform · Dashboard
Full write-up (Chinese)
Our own product
Take a photo, identify the aquarium species, and land on its encyclopedia entry and community posts. Recognition, content and admin share one data model.
Image recognition · Mobile
Full write-up (Chinese)
An AI application company
Three front-ends for AI products (conversational, form-driven and creative) on web and cross-platform mobile, maintained from 2024 to 2026.
Vue · uni-app · LLM APIs
Full write-up (Chinese)
An aerospace data client
A 3D globe with satellite and constellation layers in Three.js, combined with ECharts data panels for operations screens.
Three.js · ECharts
Full write-up (Chinese)
A smart TV hardware client
Low-level device code in C together with the Java application layer for Android TV hardware.
C · Java · Android TV
Full write-up (Chinese)
A live-streaming app operator
Took an existing Objective-C live-streaming app through App Store submission and release. A publishing engagement, not a rebuild.
Objective-C · App Store Connect
Full write-up (Chinese)
A consumer brand selling through dealers
Pre-orders with deposits, in-stock orders from several warehouses and bundles in one order model, with credit limits and account reconciliation per dealer.
Java · Vue · Mini program
Full write-up (Chinese)What the product does, which platforms or devices are involved, and your timing. We reply within three working days, in English, with questions or a short written proposal.
