Senior Frontend Infrastructure Engineer

About the Role You will own and evolve shared frontend infrastructure, including design systems, UI component libraries, data-fetching layers, and notification systems across web and mobile. You will build AI-powered internal tools and CLI automations, lead large-scale migrations, improve CI/CD and QA tooling, drive app performance, maintain backend-for-frontend services, produce well-tested code and architecture docs, and mentor engineers through reviews and documentation.

Requirements 5+ years of software engineering experience Deep experience with both React and React Native and comfort working across web and mobile from a single codebase Strong track record building developer tooling, design systems, or shared infrastructure with a product sensibility Well-formed opinions on frontend architecture, styling systems, data-fetching patterns, and build tooling with the ability to justify them Experience owning and delivering large, ambiguous projects end-to-end with minimal direction Comfort with automation including CI/CD, release engineering, and testing frameworks Eagerness to explore and push the boundaries of AI-assisted development Desire to keep up with modern best practices in web and mobile development Active open source contributions to frontend or tooling ecosystems (nice to have) Experience building AI-powered developer tools, CLI tools, or internal automations with LLMs (nice to have) Experience with Swift or Kotlin or native mobile development (nice to have) Familiarity with crypto features and concepts (candidates with no crypto experience are welcome) (nice to have)

Responsibilities Own and evolve shared frontend infrastructure including design systems, UI component libraries, data-fetching layers, and notification systems across web and mobile Contribute to product and design engineering work to keep the team connected to user experience Build and contribute to AI-powered internal tools and automations such as changelog builders, cherry-pick automations and CLI tools using LLMs Lead large-scale migrations with clear tooling decisions and plans other teams can follow Build and improve release automation, CI/CD pipelines, and QA tooling to increase reliability and velocity Drive performance improvements across applications Maintain backend-for-frontend services that support multiple product teams Produce high-quality, well-tested code and clear architecture documentation Mentor engineers across teams through code review, documentation, and establishing best practices

Benefits Company-paid medical, dental, and vision for employees and dependents Wellness offerings including a partnership with Equinox Fitness Clubs 401(k) with 4% employer contribution Annual $1,500 education stipend Unlimited and encouraged time off Up to 16 weeks paid parental leave Home office setup stipend for remote employees Daily lunches at New York headquarters Eligibility for token compensation Funding Investors Frontend Engineer Charm Finance · 6 days ago Staff Frontend Engineer fomo · 1 week ago Frontend Engineer - Data Product Service Development Dunamu · 1 week ago Frontend / Design Engineer Daily Active Users, Inc · 3 weeks ago Senior Software Engineer Frontend TRM Labs · 3 weeks ago Funding Investors Frontend Engineer Charm Finance · 6 days ago Staff Frontend Engineer fomo · 1 week ago Frontend Engineer - Data Product Service Development Dunamu · 1 week ago Frontend / Design Engineer Daily Active Users, Inc · 3 weeks ago Senior Software Engineer Frontend TRM Labs · 3 weeks ago