Justin Tom - Software Developer Portfolio

Chinese learning web app that breaks down sentences into word segments with tone-colored pinyin and definitions. Uses Gemini 3 Flash for OCR image mode and MiMo V2 Flash for sentence analysis. Features clickable dictionary lookup (CC-CEDICT), dark mode, and responsive design. Chrome extension live.

Self-hosted video sharing platform for private communities. No compression, no file size limits, no algorithms. 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. Backend rewritten from Python/FastAPI to Go for production performance.

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