Live

Polyglot Path

A browser-based TDD-style coding challenge platform for mid-to-senior engineers picking up new programming languages for client work, covering 10 core concepts across 3 difficulty levels.

Notes

No login — progress tracked via UUID-based links with optional named links via /claim
Linear challenge progression enforced (Simple → Intermediate → Advanced), with Advanced skippable after Intermediate
Admin view at /admin with password protection, showing per-user completion stats and delete functionality
Progress saved to KV with 500ms debounce
Brand colours: #1e2356 (navy), #6e4aa2 (purple), #939894 (grey), #C8ff01 (lime)
Fonts: Space Mono (headings/labels), DM Sans (body)

Future Ideas

Language selector with per language progress tracking
Copy challenge/tests button for pasting into IDE
update instructions to point out it's an honour system
Mention how language choice can effect difficulty of challenges
download CSV

Stack

ReactViteTypeScriptUpstash RedisVercel

Infrastructure

HostingVercel

DatabaseUpstash Redis

Links