Bishwajeet Parhi
Founder · Developer infrastructure
Building developer infrastructure across Appwrite and Homebase. Multi-language code generation and SDK tooling, agentic systems, and privacy-first, self-sovereign architecture. 6+ years.
Writing
Notes from the workshop.
Working notes: what we learned building the tooling we publish, and the parts of an engagement we're allowed to talk about.
All posts
· We rebuilt India's DigiYatra app on our own UX4G kit
A second test for the kit, this time on mobile: take India's face-recognition airport app, dense and low-contrast today, and rebuild all 15 screens using only @hopline/ux4g-react. Here's the case study, and the one insight that reshaped the whole app.
design systemsux4gcase study
Read · We brought UX4G to React Native
UX4G for React gave web teams India's government design system as real components. Now the same 41 components are genuinely native: @hopline/ux4g-react-native, no WebView, no DOM, one shared token source.
open sourcedesign systemsreact native
Read · We rebuilt India's e-Visa portal on our own UX4G kit
To see how far the kit really goes, we redesigned a real, demanding government service end to end, using only @hopline/ux4g-react. Here's the case study, and what the design system made easy.
design systemsux4gcase study
Read · We repackaged India's government design system for React
UX4G is India's official government design system, shipped as a Bootstrap and jQuery bundle. We rebuilt it for modern React: 41 zero-dependency components, CSS-variable tokens, and a shadcn registry.
open sourcedesign systemsreact
Read · Building in the open, from day one
Why Hopline writes, and what to expect from this space as we work on deep tech and specialised systems.
studioopen sourceprocess
Read Elsewhere 
Where the founders also write.
Beyond the studio blog, we each share what we're learning in our own corners.
Khushiyant Chauhan
Founder · Compilers & ML systems
R&D across Høgskolen i Molde, CERN-HSF and LBNL. Compilers and optimised backends, low-latency inference, and brain-computer interfaces. 6+ years.
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We write about building in the open, design systems, and shipping products that last. If that's your kind of thing, say hi.