Intermediate Front End Software Engineer

About the role

Zipline is looking for a Front-End Engineer who lives at the intersection of design and code. You won't just implement specs, you'll shape the UI itself, building directly in code with the same care a designer brings to a canvas. You'll work closely with our product, engineering, and design teams to deliver polished, performant interfaces across our platform. Your primary focus will be front-end development using Ruby on Rails, Hotwire (Turbo & Stimulus), and modern JavaScript, with a strong secondary focus on user experience and design craft.

Responsibilities

• Collaborate with engineers, designers, and product managers to build functional, beautiful user interfaces. Often working design-forward in code rather than waiting for pixel-perfect handoffs especially in the world of AI
• Develop, enhance, and maintain responsive web applications using Ruby on Rails, Turbo, Stimulus, and JavaScript.
• Contribute to and evolve Zipline's design system with View Components, treating it as living code.
• Build and iterate on prototypes directly in code, using the design system as your foundation.
• Use AI-assisted development tools (e.g. Claude Code, Copilot) as a natural part of your workflow to move faster without sacrificing quality.
• Write clean, maintainable, and efficient code that scales to keep large teams productive.
• Work with other developers to improve usability, accessibility, and performance.
• Diagnose and resolve front-end issues to provide a smooth user experience.
• Optimize applications for maximum speed and design mobile-first features, including Turbo Native mobile experiences.
• Write clear functional requirement documents and guides that other engineers can pick up and run with.
• Stay current on front-end tooling, patterns, and AI-augmented development practices.
• What We Look For

Requirements

• 3+ years experience in a front-end developer role.
• Professional experience with Ruby on Rails, JavaScript, CSS, and HTML at scale.
• Hands-on experience with Turbo, Stimulus, or the broader Hotwire ecosystem.
• You can look at a UI, see what's off, and fix it in code without needing a designer to redline it for you.
• Experience building within and contributing to a design system with View Components and Lookbook
• Comfort using AI coding tools as part of your daily development workflow.
• A problem-solving mindset that finds elegant solutions when working within the constraints of a design system.
• Refined time management and proactive communication skills that let you do your best work in an asynchronous, fully remote environment.
• Experience with Turbo Native (iOS/Android).
• Experience with React or Vue.js component architectures.
• A passion for teaching and mentoring other engineers on front-end craft.
• Familiarity with prompt engineering or building AI-augmented features into product UIs.
• Retail industry experience.
• More About You
• You take pride in your craft. Clean code, polished UI, and attention to detail aren't afterthoughts, they're the baseline.
• You think of design as something you do in code, not something someone else hands you.
• You're curious about AI tooling and excited about what it means for how we build software, not threatened by it.
• Outstanding listening and writing skills, with a knack for translating complex concepts into simple, persuasive language.
• Team player who builds relationships across engineering, product, and design.
• Self-motivated, dependable, and dedicated.
• Proficient with remote collaboration tools like Slack, JIRA, and Confluence.

Benefits

Additional Information

About Zipline Zipline is a well-funded, rapidly growing SaaS company transforming how frontline teams work. We empower the world's leading brands across retail, healthcare, logistics, and beyond to connect, align, and inspire their employees- from headquarters to the front lines. Our customers consistently give us best-in-class NPS and CSAT scores, and they rave about how Zipline makes their teams' lives easier and their businesses more effective. We're also a fully remote company, with passionate employees across the U.S., Canada, and around the globe.

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