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PhantomPhantomUnited States

Frontend Engineer, Growth & Engagement Team

Build and refine onboarding, home, and discovery experiences for a consumer crypto wallet. Work with Product, Design, Backend, and Data teams to ship polished, experiment-driven features across mobile and web.

200k – 250k
Remote6+ YOEFrontend Engineering

About the role

Responsibilities

  • Onboarding & Activation Experiences: Build and iterate on high-impact onboarding flows and first-session experiences with a focus on clarity, speed, usability, and reducing user drop-off.
  • Home & Discovery Experiences: Develop new Home modules, ranking systems, and UI patterns that help users understand what’s happening in crypto and discover relevant actions, trends, and opportunities.
  • Experimentation & Iteration: Design features to be experiment-ready from day one, including feature flags, analytics instrumentation, staged rollouts, and measurement frameworks.
  • Craft, Performance & Reliability: Maintain a high bar for frontend quality, performance, and polish across mobile and web surfaces. Debug production issues, improve reliability, and prevent regressions through strong testing and rollout discipline.
  • Cross-Functional Collaboration: Partner closely with Product, Design, Backend, and Data teams to define product specs, event schemas, and success metrics while ensuring fast and high-quality execution.
  • Raise the Bar: Contribute to a strong engineering culture through thoughtful code reviews, technical mentorship, and pragmatic decision-making around architecture and product tradeoffs.

Requirements

  • Bachelor’s degree in Computer Science or related technical field, or equivalent practical experience
  • 6+ years of full-time software engineering experience building production user-facing applications
  • Strong proficiency in React and TypeScript
  • React Native experience strongly preferred
  • Experience building and shipping polished consumer-facing product experiences
  • Strong product and engineering judgment with the ability to balance speed, quality, and measurement in a fast-moving environment
  • Experience shipping end-to-end features with experimentation and analytics tooling (feature flags, A/B testing, rollouts, instrumentation)
  • Strong collaboration and communication skills across technical and non-technical stakeholders

Nice-to-Haves

  • Interest in crypto, fintech, consumer products, or developer platforms

Compensation & Benefits

  • Competitive salary and equity
  • Comprehensive insurance (medical/dental/vision) — 100% covered
  • Stipend for your ideal remote set-up
  • Flexible hours and a supportive remote environment
  • Unlimited vacation
  • 401(k) retirement plan
  • Monthly wellness benefit
  • Weekly meal benefit
  • Global off-sites
  • Target base salary: $200,000 to $250,000 + equity and benefits

Skills

ReactTypeScriptReact NativeJavaScriptFrontend DevelopmentMobile DevelopmentWeb DevelopmentA/B TestingFeature FlagsAnalytics Instrumentation
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