GrepJob
Phantom

Frontend Engineer, Growth & Engagement Team

Phantom
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about 11 hours ago
Remote, WorldwideSenior / Staff+
H1B Sponsor

Responsibilities

  • Design, implement, and maintain a feature-flag and A/B-testing framework.
  • Build and scale microservices for key growth features like referral program APIs.
  • Instrument all services with real-time metrics, tracing, and logging.
  • Own on-call rotations for growth services and define SLAs.
  • Collaborate with Product, Frontend, Design, and Analytics teams.
  • Ensure all growth systems meet sub-100ms latency targets and maintain high uptime.

Requirements

  • 7+ years of backend experience in building large-scale, high-availability systems.
  • Proficiency in Node.js, TypeScript, NestJS, or similar frameworks.
  • Familiarity with on-chain data and decentralized application patterns is preferred.
  • Strong system design and architecture skills.
  • Experience mentoring engineers and leading technical initiatives.

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 policy.
  • 401(k) retirement plan.
  • Monthly wellness benefit.
  • Weekly meal benefit.
  • Global off-sites.

Tech Stack