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Senior Full Stack Engineer

MrBeast

Salary not specified
Dec 12, 2025
Los Angeles, CA, US
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Beast Industries is looking to build a unified platform that connects creators, brands, and data at global scale, and needs a Senior Full-Stack Engineer to own major pieces of the application stack across frontend, backend, and API architecture.

Requirements

  • 5+ years building modern JavaScript/TypeScript applications
  • 5+ years backend/API development with Node, REST, and service design
  • 2+ years with React and TypeScript in production
  • 2+ years with state management (Jotai, Redux, MobX, or similar)
  • 2+ years with Nest
  • Strong foundation in HTML5, CSS3, and modern component libraries (Shadcn, Tailwind, Mantine, Material)
  • Experience with NoSQL and relational databases (MongoDB, DynamoDB, MySQL, Postgres)

Responsibilities

  • End to end product surfaces across frontend, backend, and API layers
  • Implementation quality, performance, reliability, and maintainability
  • Architecture decisions that keep the platform scalable and cohesive
  • Feature delivery velocity across multiple product teams
  • Frontend UI quality, consistency, and component patterns
  • Backend API design, data modeling, and integration patterns
  • Ship production code daily across React, TypeScript, Nest, and our API stack

Other

  • Clear written English and ability to communicate requirements and decisions
  • 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