Full-Stack Web & Mobile Apps: Custom apps engineered to scale

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About this service

Summary

Custom web and mobile applications are built using React and React Native, designed to deliver seamless user experiences and robust backend performance. The architecture is scalable and optimized for growth, integrating smoothly with third-party services. Comprehensive documentation ensures easy maintenance and future enhancements.

FAQs

  • Do you provide post-launch support?

    Post-launch support and maintenance are offered through a separate Statement of Work, tailored to your ongoing needs and feature updates. This ensures dedicated focus and flexibility beyond the initial project delivery.

What's included

  • Custom Frontend & Backend Development

    Tailored frontend interfaces and robust backend systems built using React, React Native, and Node.js to meet specific business needs. This ensures a seamless, high-performance user experience and reliable data management.

  • Responsive Web and Mobile App Design

    Apps that look and function beautifully across all devices, from desktops to smartphones. Focus is on intuitive, adaptive designs that engage users wherever they are.

  • Scalable Architecture

    Technical foundations designed to handle increasing users and data smoothly. Future-proofs products for expansion without costly rewrites.

  • API Integrations and Third-Party Services

    Custom API integrations connect apps to essential tools and platforms. Whether payment gateways, analytics, or CRM systems, seamless interoperability is ensured.

  • Documentation and Developer Handoff

    Thorough documentation and organized code enable effortless future updates or handoffs. Teams are prepared for smooth maintenance and scaling post-launch.

Example projects

Offseason.ai, Brand & Product Design, Product Management

Recommendations

(5.0)

Doug Keenan • Violent Noise

Client • Jul 23, 2025

Ethan was great to work with. He understood what we needed right away, brought strong creative ideas, and delivered everything on time. Communication was easy and the work came out even better than we expected. Would definitely hire again!

Daniel Martin • Martin Strategy

Client • Jun 3, 2025

Ethan helped me create and design the website and logo for my Web3 company. The quality work immediately translated to an increase in conversions.

Brittany Clifford

Client • May 27, 2025

Working with Ethan was an absolute dream! He’s sharp, fast, and incredibly collaborative. He took our rough ideas and turned them into thoughtful, beautiful designs that nailed both user experience and brand identity. Every step felt intentional and easy, and he always welcomed feedback with grace. If you’re looking for someone who brings high-caliber thinking and execution, Ethan’s your guy. I’d work with him again in a heartbeat—highly recommend!


Skills and tools

Data Analyst

Product Designer

Fullstack Engineer

JavaScript

JavaScript

MongoDB

MongoDB

Node.js

Node.js

React

React

Vercel

Vercel

Industries

Cryptocurrency & Blockchain
FinTech & Payments
E-Commerce