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๐Ÿ‘‹ Hi, I'm Ethan Millstein

Lead Software Engineer with 8+ years of experience building scalable web and mobile applications.

I specialize in React Native, full-stack product delivery, and clean architectural thinking โ€” helping teams ship faster without sacrificing long-term maintainability. I thrive in roles that blend execution, product instinct, and engineering leadership.

Iโ€™ve led core projects across B2B, consumer, and internal tools โ€” with an emphasis on clarity, scalability, and product-first thinking.

๐Ÿงฉ Popl โ€” Lead Mobile Architecture & Engineering

Popl is a complete in-person go-to-market platform for companies:
Lead capture, digital business cards, and contact enrichment โ€” all in one app.

As Senior Mobile Engineer, Iโ€™m leading a full modernization of the mobile architecture to support this shift.

  • Focus Areas: Architecture โ€ข Performance โ€ข Developer Experience โ€ข Product Polish
  • Key Work:
    • Rebuilding React Native architecture for scale and clarity
    • Optimizing performance and screen transitions
    • Owning mobile release management and QA workflows
    • Leading full design rebrand implementation
    • Supporting team growth and mentoring new engineers

Stack: React Native (Expo bare), TypeScript


๐Ÿ“‚ Featured Projects

alook Dating

A privacy-first dating app built solo in under a year.

  • Tech: React Native, PostgreSQL, Heroku
  • Focus: Rejection-free matching and user control
  • Role: Led product concept, UX, full-stack development, launch, and iteration
    ๐Ÿ”— alookdating.com

Tribal Credit

A global fintech platform serving startups in emerging markets.

  • Tech: React Native
  • Focus: Mobile financial tools for global teams
  • Role: Delivered MVP and helped scale engineering to 7+ developers; supported Series A growth
    ๐Ÿ”— tribal.credit

Valuzz

A valuation and underwriting platform for commercial real estate.

  • Tech: Vue.js, Node.js, MongoDB, Express
  • Focus: Replacing spreadsheet-heavy workflows with real-time tools
  • Role: Led full rewrite for ABI Multifamily; improved deal speed and collaboration for 50+ agents and analysts
    ๐Ÿ”— valuzz.com

๐Ÿ›  Technical Stack

Languages

TypeScript, JavaScript, Python, Ruby, HTML, CSS

Frameworks & Libraries

React, React Native, Next.js, Node.js, Vue

Databases & Infra

PostgreSQL, MongoDB, Redis, AWS, Heroku, Vercel


โœจ Highlights

  • ๐Ÿš€ Leading Poplโ€™s mobile modernization โ€” architecture, releases, performance, and product delivery
  • ๐Ÿ“ฑ Built and launched alook, a fully functional dating app, end-to-end
  • ๐Ÿ’ณ Scaled Tribal Creditโ€™s mobile team and product from MVP to Series A
  • ๐Ÿงฎ Delivered enterprise tooling at Valuzz that improved operational efficiency for commercial real estate

๐Ÿ“ฌ Letโ€™s Connect

โ˜• Fun Fact

Outside of code, youโ€™ll find me biking, playing pickleball, or refining systems for clarity and focus.

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