Senior Frontend Engineer DualEntry $$$$

Madfish

Madfish

Software Engineering

Remote

Posted on May 10, 2026

As our Senior Frontend Engineer, you’ll build and maintain high-performance, scalable web applications that deliver seamless user experiences. You’ll operate with full ownership: deploy daily and make fast decisions.

This is an intense, hands-on role with full ownership. We expect you to push for excellence and raise the bar.

📍 Location: Remote with overlap to our New York City HQ (EST)

Where You’ll Create Impact

  • Build, ship and own major parts of the product UI in React + Next.js
  • Design and optimize interactive experiences that make complex workflows simple
  • Work closely with product, design and backend to ensure seamless integration and clarity
  • Contribute to architecture, performance, accessibility and responsiveness across browsers
  • Help define our frontend system and component library as we scale
  • Elevate the quality of the product through thoughtful details

What Sets You Up for Success

  • Hardcore work ethic and high agency
  • 5+ years of experience in frontend development with React (Next.js a strong plus)
  • Solid grasp of JavaScript and TypeScript: scoping, closures, context, prototypes, classes, etc.
  • Strong understanding of responsive UI, accessibility and usability principles
  • Experience building and testing APIs; comfort with HTTP, Postman, and debugging
  • Clear product thinking, eye for polish and attention to design details
  • Pragmatic mindset: you move forward fast
  • Curiosity and autonomy - you dig in, learn fast and solve problems without waiting
  • Fluent in English (C1+) with strong written and verbal communication