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.
Iโve led core projects across B2B, consumer, and internal tools โ with an emphasis on clarity, scalability, and product-first thinking.
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, Iโm leading a full modernization of the mobile architecture to support this shift.
- Focus Areas: Architecture โข Performance โข Developer Experience โข 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
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
๐ alookdating.com
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
๐ tribal.credit
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
๐ valuzz.com
TypeScript, JavaScript, Python, Ruby, HTML, CSS
React, React Native, Next.js, Node.js, Vue
PostgreSQL, MongoDB, Redis, AWS, Heroku, Vercel
- ๐ Leading Poplโs mobile modernization โ architecture, releases, performance, and product delivery
- ๐ฑ Built and launched alook, a fully functional dating app, end-to-end
- ๐ณ Scaled Tribal Creditโs mobile team and product from MVP to Series A
- ๐งฎ Delivered enterprise tooling at Valuzz that improved operational efficiency for commercial real estate
- ๐ง ethan.millstein@gmail.com
- ๐ LinkedIn
- ๐ป GitHub
- ๐ Book a chat
Outside of code, youโll find me biking, playing pickleball, or refining systems for clarity and focus.