Frontend Engineer, Growth & Engagement Team

Remote

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Not SpecifiedCompensation

Mid-level (3 to 4 years), Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

Cryptocurrency, Fintech, SoftwareIndustries

Requirements

Candidates should have 7+ years of frontend experience building production React applications (web and/or React Native) in high-velocity environments, with a proven track record of shipping A/B-tested, feature-flagged interfaces and iterating based on metrics. Advanced proficiency in React and React Native, including hooks, context, and performance optimization, is required, along with hands-on experience with feature-flag platforms or custom A/B frameworks. A strong background in TypeScript, component-driven development, design-system architecture, front-end performance tuning, instrumentation and observability skills, and proficiency with testing frameworks and CI/CD pipelines are essential. The ideal candidate will possess a data-driven mindset, excellent communication and collaboration skills, strong ownership, a bias for action, and a mentorship orientation. Prior experience in crypto wallets, payments, or referral programs is a plus.

Responsibilities

The Frontend Engineer will own the design, implementation, and optimization of user-facing growth features such as action cards, referral flows, push-notification experiences, Phantom Pro upsells, and onboarding enhancements. Responsibilities include partnering with Product, Design, and Backend to translate hypotheses into polished, performant, and A/B-test-ready interfaces, building reusable component libraries, and instrumenting every feature for real-time analytics and rapid iteration. Key duties involve shipping 2+ end-to-end growth UI features per quarter with comprehensive tests and documentation, integrating feature flags and rollout controls for independent experiment management, creating and maintaining reusable React components, emitting structured events for analytics, optimizing first-paint times, participating in front-end on-call rotations, collaborating cross-functionally with various teams, and leading code reviews and knowledge-sharing sessions to foster front-end excellence.

Skills

React

React Native

UI development

A/B testing

Component libraries

Design systems

Feature flags

Analytics

Growth marketing

Phantom

Multi-chain crypto wallet for digital assets

About Phantom

Phantom.app offers a multi-chain cryptocurrency wallet that allows users to manage various digital assets across different blockchain networks without needing multiple wallets. The wallet is designed for both experienced investors and beginners, featuring a user-friendly interface that simplifies the complexities of cryptocurrency management. Users can store, stake, and earn rewards on their tokens, and benefit from a fast, low-cost token swapping feature for trading digital assets. A key aspect of Phantom.app is its integration with major NFT marketplaces, enabling users to showcase, monitor, and sell their NFT collections easily. Security is emphasized through a self-custodial model, giving users full control over their funds, along with scam detection features and the option to connect a Ledger device for added protection. Phantom.app aims to provide a seamless and secure platform for cryptocurrency management, catering to the needs of a diverse clientele.

San Francisco, CaliforniaHeadquarters

2021Year Founded

$115.3MTotal Funding

SERIES_BCompany Stage

Crypto & Web3Industries

201-500Employees

Benefits

Competitive salary and equity.

Comprehensive insurance (medical/dental/vision) — 100% covered.

Stipend for your ideal remote / WFH set-up: laptop, headphones, and any other work gear you may need.

Flexible hours and a long-standing, supportive remote environment.

Monthly co-working space and mobile phone expense.

Unlimited vacation: Take time when you need it (and we really mean it).

Risks

Increased competition from Best Wallet with a superior user interface.

Rapid user growth may strain infrastructure and customer support.

Decision not to launch a token could lead to user dissatisfaction.

Differentiation

Phantom offers a multi-chain wallet supporting Solana, Ethereum, Polygon, and Bitcoin.

The wallet integrates with major NFT marketplaces for easy NFT management and transactions.

Phantom prioritizes security with self-custodial features and scam detection capabilities.

Upsides

Phantom's user base tripled to 3.2 million MAUs by January 2024.

Partnership with Transak enhances seamless digital asset purchases for users.

Integration with dYdX facilitates significant trading volume, boosting platform activity.

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