Senior Frontend Engineer – Design Systems

🕒 July 6

🌐 United States, Canada – Remote

🇺🇸 United States – Remote 🇨🇦 Canada – Remote

🏄 California, New York, +1 more states – Remote

🏄 California – Remote 🗽 New York – Remote 🌲 Oregon – Remote

💵 $166.6k - $208.3k / year

⏰ Full Time

🟠 Senior

🧑‍🔧 Mechanical Engineer

🦅 H1B Visa Sponsor

This company has sponsored H1B visas in the past.

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Mercury

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 2017

💳 Fintech

🏦 Banking

☁️ SaaS

Fintech • Banking • SaaS

Mercury is a software-driven fintech that provides business and personal banking products built for startups and small to mid-size companies. Its platform offers business checking and savings, Treasury products, business credit cards and spend management, payments and invoicing, accounting integrations and AI-powered automations, plus APIs and developer tools. Mercury partners with FDIC-insured banks to offer deposit protection, emphasizes virtual cards, granular spend controls, and workflow automations for teams, agencies, ecommerce brands, VC funds, and crypto businesses. The product is positioned as an all-in-one banking and finance platform delivered through a modern app and API.

📋 Description

• Build and maintain the components, patterns, and foundations (tokens, type, color, layout) that Mercury's product is woven from, holding a high bar for accessibility, performance, and pixel-level craft. • Lead projects that ship new UI patterns to solve real pain points for product teams, helping them build better experiences faster. • Develop a design system that's as ready for AI as it is for people, applying the technology to create leveraged outcomes. • Invest in the design system's prototyping experience, shaping the next iteration of how our design function rapidly prototypes, iterates on the product, and explores new concepts. • Raise the craft and AI fluency of the people around you, through mentorship and clear best practices.

🎯 Requirements

• 4+ years of frontend development, with deep experience in React, TypeScript, and modern web technologies. • Experience building or maintaining a design system or shared component library. • A thorough command of modern frontend tooling: build systems, CI/CD, and testing. • High agency, and comfort creating clarity in ambiguous spaces. You take ownership and move without waiting for a defined path. • First-principles systems thinking that stays oriented to outcomes. You make clear decisions that drive toward results instead of getting stuck in open questions. • Strong product taste, and an instinct for leverage: the change that makes many teams better, not the one component polished in isolation. • Hands-on fluency at the intersection of AI and software development: a real command of how emerging AI paradigms are changing the way software gets built, and the ability to turn that into practical leverage, both for the design system itself and for the people who build on it.

🏖️ Benefits

• base salary • equity (stock options/RSUs)