CoSphere Travel — AI Travel Companion

A multi-modal travel platform turning fragmented bookings into synchronized, real-time interactive itineraries with offline access.

Synchronized Offline Route EngineLocal-first PWA caching with 0ms query latency

v1.4.0

01
Overview
Solo founder venture designed from a blank canvas into a live product, covering the full UX/UI architecture and the production system travelers use today.
02
The Challenge
Frequent travelers juggle 4+ disconnected apps across airfares, lodging, food reservations, and localized transit with fragile offline states.
03
The Approach
Designed a unified single-timeline canvas using optimistic UI updates, background sync, and frictionless mobile browser caching.
04
Outcome
Launched in 2026 with a fully type-safe codebase, and no translation loss between Figma designs and the live product.

Key result · 18 days dev time

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