Frontend Engineer, Growth & Engagement Team
External
Phantom · WorldwidePrepare for this interview
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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
- Interest in crypto, fintech, consumer products, or developer platforms preferred
Benefits
Additional Information
Phantom is the modern money app used by tens of millions around the world. Our product combines everything people need to manage, spend, and grow their money in one simple, intuitive experience. Phantom brings all the control and flexibility of crypto-powered finance, without unnecessary complexity, into mainstream consumer finance. By combining industry-leading security with thoughtfully designed tools, Phantom makes powerful financial tools feel approachable and easy to use. This focus on speed, control, and user experience has fueled rapid growth, with a community of 20M+ people, reaching #1 in the Google Play Store finance category, and consistently ranking as a Top 50 app across all categories, alongside some of the most recognizable consumer technology platforms in the world. Phantom is revolutionizing the way millions of people interact with the crypto ecosystem. Our self-custodial wallet offers a seamless, unified experience for managing accounts and tokens across Solana, Bitcoin, Ethereum, and Polygon, empowering users with a single, convenient solution. By integrating cutting-edge security features and launching innovative tools for an enhanced personalized user experience, Phantom is able to provide a next-generation, safe and easy to use self-custodial wallet for everyone. This strategy has allowed Phantom to achieve significant milestones including surpassing 16 million MAU's, reaching #1 in the Google play store finance category, and consistently trending as a Top 50 app across all categories, right next to X, PayPal, Coinbase, and ChatGPT. Role Description As a Senior Frontend Engineer on Phantom's Growth & Engagement team, you will build and refine core product experiences that help users discover value quickly, complete key onboarding steps, and return more often. You'll work closely with Product, Design, Backend, and Data teams to ship polished, experiment-driven user experiences across mobile and web platforms.
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