Realtime
Message stream
WebSocket delivery with optimistic UI and local persistence.
Realtime Mobile / Real
Local-first Chat System
A WhatsApp-style chat experience with WebSockets, local storage, image compression and resilient message rendering.
Overview
A mobile chat case study focused on speed, local resilience and polished realtime interactions.
Challenge
A chat product needs to stay responsive even when network state, media uploads and message ordering are not perfect.
Solution
A local-first architecture with WebSockets, SQLite persistence, media optimization and deliberate UI state transitions.
Outcome
A faster, more reliable chat experience with lower API pressure and WhatsApp-style responsiveness.
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