Ethan Millstein
Verified Expert in Engineering
Software Developer
Scottsdale, AZ, United States
Toptal member since November 1, 2024
Ethan is a lead software developer with over seven years of experience building startups and new products. Specializing in React Native, Vue, and Node.js, he has successfully launched mobile apps and full-stack solutions for industries ranging from fintech to real estate. Ethan combines strong technical expertise with a deep understanding of product strategy and has a proven track record of delivering impactful solutions for clients and businesses.
Portfolio
Experience
- Full-stack Development - 9 years
- MongoDB - 7 years
- Vue - 7 years
- Node.js - 7 years
- React Native - 7 years
- Mobile App Development - 7 years
- TypeScript - 6 years
- PostgreSQL - 4 years
Work Experience
Co-founder and Lead Engineer
alook
- Developed and launched a mobile dating app for iOS and Android within nine months using React Native backed by AdonisJS and PostgreSQL.
- Served as the sole engineer on the project. Designed the app's UI/UX and managed the back-end infrastructure.
- Collaborated with a business partner to shape product strategy while ensuring technical stability.
Lead Mobile Engineer
Tribal
- Developed the MVP for Tribal Credit's mobile app, facilitating the series A funding round.
- Hired and managed a mobile team of seven engineers, providing mentorship and setting sustainable coding practices.
- Headed mobile development, coordinating with design, product, and business teams to ensure smooth feature releases and product scalability.
Full-stack Engineer and Financial Analyst
ABI Multifamily
- Built a web-based financial valuation platform using an Excel model, leveraging Vue and Express.js for seamless back-end-to-front-end integration.
- Created a REST API and implemented real-time data with SockJS to enhance financial data workflows.
- Trained a 50-person team on the platform's use and features while continually enhancing operational workflows.
Senior Mobile and Product Engineer
Henri
- Launched the Henri Resident Portal app, managing customer onboarding and support.
- Rebuilt the mobile app from Ionic to React Native, integrating it with a Ruby on Rails back end for a more optimized user experience.
- Played a crucial role in product development, aligning business strategies with technical execution and defining the scope of key features.
Project History
alook | A Modern Dating App
https://www.alookdating.comI spearheaded the full-stack development from MVP to launch, managing the entire back-end API integration, user authentication, and client-side state management.
Valuzz | Real Estate Market Analysis and Valuation Platform
https://www.valuzz.comAs the platform's sole developer and ongoing maintainer, I built the entire system from scratch, focusing on delivering a scalable and user-friendly solution for real estate professionals. I headed the full-stack development, including the front end using Vue, the back end using Node.js, database integration, and ongoing updates based on user feedback and market needs.
Education
Bachelor's Degree in Business Law and Real Estate
Arizona State University - Tempe, AZ, USA
Skills
Libraries/APIs
Node.js, React Query, REST APIs, Vue, React
Tools
Expo
Languages
JavaScript, TypeScript
Frameworks
React Native, Express.js, AdonisJS, Ruby on Rails 5
Platforms
Heroku, AWS IoT
Storage
MongoDB, PostgreSQL
Paradigms
UI Design, UX Design
Industry Expertise
Project Management
Other
Analytical Thinking, Real Estate Analysis, Mobile App Development, API Design, Full-stack Development, Financial Analysis, Business Development, Contract Law, Data Analysis, Data Visualization
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