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About FuelWarden

We’re on a mission to revolutionize how athletes fuel and perform using predictive nutrition. At this stage, we’re not just building software, we’re building the next era of sports tech. If you’re ready to grind, grow, and create real impact, you’ll fit right in.

Our Culture

Mobile Developer (React/Flutter)

Remote | Phoenix , AZ

Development

Type

Job Description

Overview

FuelWarden is a fast-moving, athlete-founded startup building an AI-powered nutrition platform designed by athletes, for athletes. We're looking for a Mobile Developer experienced in React Native and/or Flutter to help transform our web app into a high-performing, intuitive mobile experience.

In this role, you’ll work closely with our UI/UX Designer and founding team to bring sleek, athlete-first mobile features to life. Your mission: to build a seamless, responsive mobile app that empowers athletes to track, fuel, and optimize their performance with ease.

What You’ll Do

  • Build and deploy the FuelWarden mobile app using React Native and/or Flutter
  • Collaborate with the UI/UX Designer to bring designs to life with pixel-perfect precision
  • Translate web features into optimized, mobile-first functionality
  • Ensure smooth performance across both iOS and Android platforms
  • Work with backend APIs and integrate key features like user onboarding, nutrition tracking, and analytics
  • Troubleshoot issues, fix bugs, and ensure top-tier user experience
  • Participate in feature planning, sprint cycles, and code reviews
  • Stay current with mobile development trends, performance best practices, and design standards

What We’re Looking For

  • Strong experience with React Native and/or Flutter
  • Proficient in JavaScript/TypeScript
  • Experience building and publishing mobile apps (iOS and Android)
  • Familiarity with RESTful APIs and backend integrations (LLMs & wearable devices)
  • Comfort working closely with designers and translating Figma files into clean code
  • Passion for clean, efficient, maintainable code
  • Bonus: Personal interest in fitness, sports, or wellness
  • Based in or near Phoenix, AZ is a plus (but not required)

Commitment & Growth

  • Flexible: Full-time, part-time, or contract
  • Remote-friendly or hybrid if based in Phoenix
  • Paid (compensation discussed individually)
  • Opportunity to grow into Lead Mobile Engineer as the company scales
  • Work directly with founders and help shape the core product experience from the ground up

Why Join FuelWarden?

  • Help build the future of AI-powered performance nutrition
  • Create tools that empower athletes to fuel smarter and perform better
  • Join a passionate, fast-moving team of builders, athletes, and creators
  • Gain early-stage startup experience and real product ownership
  • Work on a product that blends tech, wellness, and human performance
  • Flexibility, autonomy, and a chance to shape a company from 0 to 1

Apply now