Senior Frontend Engineer

MrBeastSan Francisco, CA
Hybrid

About The Position

We're doing an AI-first engineering rebuild for a company that already has an audience of 100M+ people. This is a zero-to-one build with no legacy constraints, so you get to define a modern frontend stack from scratch instead of inheriting a tangle of old code. You're here to build customer-facing experiences that millions of people actually use. You'll design, build, and evolve the user-facing applications at the center of the MrBeast membership ecosystem. The work is fast and AI-first, in close partnership with product and design.

Requirements

  • AI-Native: You're already using AI coding agents daily to multiply your output, and modern tooling is second nature.
  • Deep Frontend Builder: Typically 8+ years in software engineering with serious frontend depth, building modern web apps in JavaScript and TypeScript and maintaining scalable architectures in production.
  • Performance Minded: You have a real command of performance optimization, testing strategy, accessibility, and web standards, and you can prove the wins with metrics.
  • Owner: You take a problem from design through production support, and you raise the bar for the engineers around you.

Nice To Haves

  • Building and maintaining design systems
  • Modern frameworks like React, Vue, or Angular
  • Cloud-native environments and CI/CD
  • A track record of leading technical initiatives across teams.

Responsibilities

  • Build scalable, performant frontend architectures and reusable components for consumer apps with the potential to reach 100M+ people.
  • Make core user journeys fast: page-load times and frontend latency are numbers you own and move.
  • Use AI coding agents and modern tooling as the baseline for how you ship, not the exception.
  • Design and implement scalable frontend architectures for complex web applications.
  • Build and maintain reusable UI components and design-system integrations that other engineers ship on.
  • Partner with product managers and designers to turn requirements into clean, high-quality experiences.
  • Lead technical design discussions and own architectural decisions within your domain.
  • Optimize for performance, accessibility, responsiveness, and usability across core flows.
  • Set and enforce frontend standards and patterns, and drive their adoption across teams.
  • Mentor engineers through code reviews and technical guidance, and resolve the gnarly production issues.

Benefits

  • Highly competitive equity package designed for a foundational hire.
  • Competitive Salary
  • Generous Medical (Blue Cross Blue Shield), Dental, Vision and company-paid Life Insurance
  • Company contributions to employee Health Savings Accounts (HSA)
  • 401k Plan with Safe Harbor company-matching
  • Flexible vacation policy and paid company holidays
  • Company-provided technology package
  • Relocation assistance where applicable, including travel and company-provided housing for the first 90 days
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