Kai Chen

Solo React & Next.js Engineer

I design, build, and ship thoughtful web experiences end-to-end with fast iteration, production rigor, and polish included.

Shipped Products

14

Production launches with retained clients

Avg. Time to MVP

6 wks

From brief to measurable customer feedback loop

Stack Coverage

Frontend to Edge

Design systems, app delivery, and edge orchestration

Projects

Selected Work

Curated prototypes and production builds that show how I approach shipping with speed, clarity, and maintainability.

2024

Pulseboard

Realtime analytics dashboard for ops teams with live Supabase streams, animated charts, and collaborative notes.

Next.js
Supabase
Tailwind
D3

2023

Relay Docs

AI-assisted documentation system that syncs with GitHub Actions and auto-publishes versioned docs with MDX.

Next.js
OpenAI
MDX
Vercel

2023

Studio Canvas

Design handoff platform with realtime cursors, spec exports, and portable themes generated from tokens.

React 19
Zustand
Radix UI
Tailwind

Experience

Independent, Outcome-Driven Engagements

I join teams as a solo engineer to de-risk product launches, build design systems, and accelerate iteration loops.

Lead Frontend Consultant · Northwind Labs

2022 - Present

  • Scaled the design system to 40+ shadcn-driven primitives with automated snapshot tests.
  • Delivered revenue-critical Next.js migrations cutting TTFB by 38% and bounce by 22%.

Fullstack Engineer · Freelance

2017 - 2022

  • Partnered with early-stage founders to ship 10+ MVPs, handling product discovery and delivery.
  • Implemented CI/CD, analytics, and observability baselines for every engagement.

Capabilities

Core Skills & Tooling

Technical range that lets me go from idea to production with minimal handoff.

Core Stack

The technologies I reach for on greenfield builds.

React
Next.js App Router
TypeScript
Tailwind CSS
Node.js

Supporting Tooling

Ops, automation, and testing utilities that keep velocity high.

shadcn/ui
Supabase
Clerk
GraphQL
Playwright
Storybook

Writing

Notes & Learnings

Short essays and talks that highlight how I reason about architecture and frontend systems.

Edge-First Rendering Strategies

An architecture walkthrough on blending RSC, streaming SSR, and ISR for sub-second dashboards.

Designing Maintainable Shadcn Systems

Lessons learned rolling out shadcn/ui at scale, covering token management, testing, and theming.

Collaborate

Let's Build Something

Available for short-term engagements, design system partnerships, or fractional product leadership.