Note: The job is a remote job and is open to candidates in USA. Phantom is a modern money app revolutionizing how millions interact with the crypto ecosystem. As a Senior Frontend Engineer on the Growth & Engagement team, you will build and refine core product experiences that enhance user onboarding and engagement across mobile and web platforms.
Responsibilities
- Build and iterate on high-impact onboarding flows and first-session experiences with a focus on clarity, speed, usability, and reducing user drop-off
- 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
- Design features to be experiment-ready from day one, including feature flags, analytics instrumentation, staged rollouts, and measurement frameworks
- 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
- 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
- Contribute to a strong engineering culture through thoughtful code reviews, technical mentorship, and pragmatic decision-making around architecture and product tradeoffs
Skills
- 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
- 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
- React Native experience strongly preferred
- Interest in crypto, fintech, consumer products, or developer platforms preferred
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: Take time when you need it (and we really mean it!)
- 401(k) retirement plan
- Monthly wellness benefit
- Weekly meal benefit
- Global off-sites
Company Overview
Phantom is a crypto wallet that facilitates the buying, trading, and storing of cryptocurrencies, including NFTs and tokens. It was founded in 2021, and is headquartered in San Francisco, California, USA, with a workforce of 51-200 employees. Its website is https://phantom.com.Company H1B Sponsorship
Phantom has a track record of offering H1B sponsorships, with 2 in 2026, 4 in 2025, 3 in 2024, 4 in 2023, 3 in 2022. Please note that this does not guarantee sponsorship for this specific role.