Justin Tom - Software Developer Portfolio

Chinese learning web app and extension that breaks down sentences into segments, giving context-aware tone-colored pinyin readings and definitions so learners can understand sentence structure and acquire vocabulary naturally while reading. Uses Gemini 3 Flash for OCR image mode and MiMo V2 Flash/Qwen for sentence analysis. Features context-aware pinyin and definitions, image OCR mode, on-click dicttionary lookup, and Chrome extension.

Smart public transport routing AI agent skill for Hong Kong with real-time bus ETAs. Combines Google Maps transit directions with live bus arrival times, then ranks routes by effective total time (real wait + travel duration) instead of schedule data alone. Built as a Claude Code / OpenClaw skill — installable via ClawHub.

SoundCloud client/TUI that lets you browse your feed, search tracks and playlists, and manage playback queues without leaving the command line. Features a fullscreen audio visualizer, OAuth authentication, and cross-platform support including an official AUR package for Arch Linux.

Self-hosted video sharing platform for private communities. Fills the gap between uploading unlisted YouTube videos and temporary screen shares with friends. GPU-accelerated transcoding (NVIDIA NVENC) with HLS streaming and signed URLs. Features drag-and-drop uploads, batch uploads, categories, playlists, comments with clickable timestamps, user profiles, and invitation-based access.

IB MYP assessment bank serving international schools worldwide. Criterion-based tasks across Mathematics, Sciences, Language & Literature, and more. Editable formats, detailed rubrics, growing database from experienced IB educators.

Maintaining and developing solo

Academic competition platform hosting monthly team and individual competitions in Mathematics, Sciences, and History. Serves 65+ international schools globally with real-time scoreboards and practice rounds.

Maintaining and developing solo