Crafting lightweight, robust web software and user tools.
We are a boutique software studio building fast client applications, design systems, and resilient frontend web platforms.
What We Do
Performance Auditing
Core Web Vitals profiling, client asset optimization, and reduction of computational overhead for heavy web apps.
Design Systems
Accessible, token-driven component libraries built with modern CSS standards and minimal third-party runtime weight.
Offline-First Apps
Local-first data synchronization, indexed storage, and resilient web workers for uninterrupted connectivity.
Selected Case Studies
- Baltic Freight Real-Time Telemetry Dashboard Next.js • Canvas • WebSockets
- Nordic FinTech Design Tokens & Identity Engine Design System • WCAG AAA
- Open Registry High-Capacity Query Portal Serverless • Edge Caching
Contact
Have an ambitious web project or performance bottleneck? Inquiries welcome at hello@jaykai.ch. Office visits by appointment at Dzirnavu iela 67, Rīga.