Phantom
Fintech
FrontendEngineer,Growth&EngagementTeam
Neural analysis suggests this role is
optimal for Senior candidates.
“Frontend Engineer, Growth & Engagement Team at Phantom. Skills: Backend Systems, Experimentation, Growth Initiatives, Microservices. Design feature-flag framework. Implement A-testing framework”
What You'll Achieve.
Support rapid experimentation; Support personalized engagement features; Support scalable growth initiatives; Ensure feature launch; Ensure feature measurement; Ensure feature iteration; Meet sub-100ms latency targets; Maintain >=99.9% uptime
Industry & Context.
Translate product requirements; Performance trade-offs; Fault tolerance
Own on-call rotations
What They're Looking For.
Must Have
7+ Years of Backend Experience, Node.js, TypeScript, NestJS
Nice to Have
Web3/Crypto Knowledge, on-chain data, wallet integrations, decentralized application patterns
What You'll Do.
Design feature-flag framework
Implement A-testing framework
Maintain A-testing framework
Build and scale microservices
Instrument all services
Own on-call rotations
Drive post-mortem items
Partner with Frontend
Partner with Analytics
Deliver end-to-end experiments
Ensure sub-100ms latency
Maintain 99.9% uptime
How You'll Work.
Team & Collaboration
Partner closely with Product; Partner closely with Frontend; Partner closely with Design; Partner closely with Analytics; Collaborating effectively with cross-functional teams
Communication Scope
Communication
Full Job Description
Phantom https://phantom.com 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 core member of Phantom’s Growth & Engagement team, you will build and operate the backend systems that power rapid experimentation, personalized engagement features, and scalable growth initiatives. You’ll own services for action cards, referral flows, push-notification pipelines, and onboarding enhancements ensuring each feature can be launched, measured, and iterated on wi
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