Portrait of Nikolas Barwicki FIG_PROFILE/01

Writing from the workbench

Nikolas Barwicki

AI Product Engineer

I write about building products with AI, what changes when agents join the engineering team, and the lessons that only show up after shipping.

Latest writing (26)

Working in public

Public GitHub activity

Last 12 months · 235 active days

View profile ↗

Jul 2025 — Jul 2026

Working stack

53 tools

  • TypeScript
  • Node.js
  • Bun
  • Python
  • Swift
  • HTML
  • CSS
  • React
  • Next.js
  • React Router
  • Svelte
  • SvelteKit
  • Astro
  • Express
  • Hono
  • Tailwind CSS
  • shadcn/ui
  • Base UI
  • Storybook
  • TanStack
  • Redux
  • Zod
  • PostgreSQL
  • SQLite
  • Drizzle ORM
  • Prisma
  • Supabase
  • Neon
  • Algolia
  • Anthropic
  • Claude Code
  • Codex
  • OpenCode
  • OpenRouter
  • LangChain
  • MCP
  • Cursor
  • Zed
  • Ghostty
  • Vite
  • Oxc
  • Playwright
  • Git
  • GitHub
  • Vercel
  • Cloudflare
  • DigitalOcean
  • Docker
  • Terraform
  • Better Auth
  • Stripe
  • Polar
  • PostHog

Projects

4

Products, experiments, and things that taught me something.

Open source

5

Reusable explorations, agents, and developer tooling.

Connect

Reach out about product engineering, applied AI, or something worth building.

Get the next one by email

I’ll send you new articles, plus the interesting links, sources, working notes, and behind-the-scenes details that shaped them.

Free. Unsubscribe anytime. Powered by Substack.