Full Stack Developer

UI/Frontend Developer (Mid-level) About the Role We're looking for a skilled UI/Frontend Developer to join our team and help build beautiful, performant, and accessible web experiences. You'll play a key role in shaping the interface of a web-based mobile application built for elite, professional cyclists — helping them prepare for the most challenging rides in the world. Our app combines a sophisticated human physiology model with real-time Garmin fitness data to deliver personalized, data-driven training insights. You'll work closely with designers and backend engineers to translate complex performance data into intuitive, polished interfaces that give athletes a genuine competitive edge. Responsibilities Build and maintain responsive, mobile-first web interfaces using HTML, CSS, and JavaScript Translate UI/UX designs into clean, semantic code that makes complex physiological and training data easy to understand at a glance Optimize interfaces for performance and reliability — because when an athlete is mid-training, every second counts Ensure accessibility and cross-browser compatibility across a range of mobile and desktop environments Collaborate with designers to develop and maintain a cohesive UI component library Work closely with backend engineers to integrate Garmin fitness data and physiology model outputs into dynamic, real-time displays Write well-documented, reusable code and participate in code reviews Debug and resolve frontend issues across browsers and devices Requirements Ability to work independently and communicate clearly within a cross-functional team 2-5 years of professional frontend development experience Strong command of vanilla JavaScript (ES6+), HTML5, and CSS3 Solid understanding of responsive and mobile-first design principles using Flexbox and CSS Grid Experience presenting data-rich content clearly — charts, metrics, dashboards, or similar Familiarity with version control using Git Sharp eye for detail and a strong sense of UI quality Nice to Have Passion for endurance sports, cycling, or fitness technology Experience with CSS preprocessors (Sass/LESS) Familiarity with build tools (Webpack, Vite, or similar) Exposure to accessibility auditing tools Basic understanding of REST APIs and working with JSON data What We Offer 100%

Remote Role Competitive Hourly Rate Flexible Hours Pay:

$98,784.45 - $118,966.22 per year

Work Location:

Remote