πŸ“¦

Nimbus Analytics

Real-time product analytics dashboard ingesting 4M events/day. Streaming charts that stay at 60fps even with 500k points on screen.

Next.jsClickHouseD3Redis
  • Cut dashboard load from 6.2s β†’ 1.1s
  • Streaming aggregation via WebSockets
  • Supports 12k daily active analysts
πŸ›’

Ledgerly

Open-source, offline-first invoicing for freelancers and one-person studios. Double-entry accounting engine with immutable audit trails.

TypeScriptPostgresPWA
  • 3.4k GitHub stars, 40+ contributors
  • Works fully offline, syncs on reconnect
  • Accounting-format CSV/PDF export
🎧

Wavely Studio

A browser DAW for podcasters: multitrack timeline editing, worker-based waveform rendering, and collaboration at under 100ms round-trip.

Web AudioRust/WASMWebSockets
  • 60-minute podcast edits in-browser
  • Zero-loss WASM audio processing
  • Roughly 18k monthly creators
πŸ₯

ClinicFlow

Appointment and records platform for a 40-clinic healthcare network. HIPAA-aligned storage, offline tablet mode, and multilingual patient portal.

ReactNodePostgresDocker
  • Reduced no-shows by 27% via SMS reminders
  • Sub-200ms API on clinic Wi-Fi
  • Passed an external compliance audit first pass
πŸ’³

PayRail

Subscription billing service handling 40+ payment providers across India and Southeast Asia, with intelligent retry and dunning.

GogRPCPostgresAWS
  • Failed payments down 31% in two quarters
  • 99.98% API uptime over 12 months
  • Idempotent, replay-safe webhook pipeline
🎨

PaletteKit

Token-driven theming library that exports ready-to-ship CSS variables and Tailwind presets from a single source of truth.

TypeScriptTailwindCLI
  • WCAG contrast checked at generation time
  • Adopted by 9 design teams
  • Dark/light switching with zero flash
πŸ§ͺ

TestSprite

A tiny visual-regression runner that renders your components in a headless browser and diffs screenshots β€” no heavyweight vendor needed.

NodePlaywrightCLI
  • Runs in CI in under 90 seconds
  • Pixel and perceptual diff modes
  • GitHub Action included
πŸ—ΊοΈ

RouteMint

Delivery logistics dashboard that live-routes 900+ vehicles with map clustering that stays smooth down to street-level zoom.

ReactMapLibreSSE
  • Custom clustering at 100k live points
  • ETA prediction with 94% accuracy
  • Cut driver idle time by 22%
πŸ”

Vaultline

Self-hostable secrets manager with envelope encryption, an audited API, and a CLI your ops team will actually use.

RustSQLiteCLI
  • NIST-aligned key rotation
  • 2.1k stars, actively maintained
  • Single-binary deployment

Want the full write-ups with architecture diagrams and post-mortems?

Ask me for the case studies

Like what you see?

The next one could be yours. I take on two to three engagements per quarter.