William Koonz

William Koonz

Design Engineer

I design and build products from first idea to shipped software.

I work across product strategy, UX/UI, engineering, and AI, wherever the problem needs me. Currently building Shado, an AI-guided reflection product I took from concept to the App Store.

  • Figma
  • SwiftUI
  • Claude
  • OpenAI
  • React
  • Next.js
  • TypeScript
  • Supabase
  • Python
  • Node.js
  • PostgreSQL
  • JavaScript
  • GitHub
  • Webflow
  • Git
0 contributions in 2026
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Experience

  1. Shado

    Apr 2026 – Present

    Founder · AI Product & Design Engineer

    Founded, designed, and shipped an AI-guided reflection app for iOS. Own it end-to-end: product strategy, UX/UI and design system, AI behavior and personalization, SwiftUI, Supabase/Postgres architecture, and App Store release.

    Figma / SwiftUI / Supabase / PostgreSQL / Claude Code

  2. Contract & Freelance

    Jul 2024 – Mar 2026

    Product Designer

    Contract and freelance product design for agencies and early-stage product teams across web apps, crypto/DeFi, and early-stage software, turning ambiguous requirements into user flows, interaction models, design systems, and developer-ready prototypes.

    Figma / Prototyping / Design systems / Developer handoff

  3. Finalform

    Mar 2024 – Aug 2025

    Founder · Product Designer & Developer

    Designed and shipped an AI-powered iOS calorie tracker used by 200–300 people, with food logging through photos, voice, and conversational text.

    Swift / SwiftUI / Supabase / OpenAI API / Figma

  4. Goodkleen

    Mar 2023 – Feb 2024

    Founder

    Founded and ran a residential cleaning company. Designed the brand and Webflow site, integrated booking and contractor scheduling, ran acquisition and service delivery, and exited by transferring the customer base and operations to two contractors.

    Figma / Webflow / BookingKoala / Operations

  5. MetaPharm

    Oct 2021 – Mar 2022

    Founder & Product Lead

    Founded and led pre-launch product for a play-to-earn game and NFT ecosystem, coordinating 12–15 contributors and partners across engineering, game design, illustration, branding, growth, and community.

    Product strategy / Web3 / Branding / Community

  6. Self-employed

    Sep 2017 – Oct 2021

    Quantitative Crypto Trader & Strategy Developer

    Built and operated systematic crypto strategies across low-liquidity markets, arbitrage, and momentum, progressing from manual validation to automated execution and risk controls. Also provided paid strategy and automation consulting from 2018–2020.

    Python / Node.js / CCXT / WebSockets / REST APIs