Full Stack Engineer, Live & Game

MrBeast

$120K — $150K *
Consumer Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 3+ years of experience as a full stack engineer.
  • Strong fundamentals in software engineering and various coding languages.
  • Proficient in both frontend frameworks and backend languages like Node.js, Go, Java, or Rust.
  • Experience with real-time systems, gaming services, or live streaming protocols is a plus.
  • Daily user of AI coding tools to enhance development speed.

Responsibilities

  • Build and ship full stack live and game features using AI coding tools.
  • Oversee the entire feature lifecycle from development to deployment.
  • Write clean, reliable, and efficient production code with accountability.
  • Collaborate with team members to foster a culture of high standards and continuous improvement.
  • Ensure real-time features perform optimally during heavy user loads.

Benefits

  • Generous medical, dental, vision, and life insurance options.
  • Company contributions towards Health Savings Accounts (HSA).
  • 401k plan with Safe Harbor matching contributions.
  • Flexible vacation policy alongside paid company holidays.
  • Provision of technology package for employees.
  • Relocation assistance, including housing support for new hires.
Full Job Description
The Opportunity

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. You're not joining to maintain someone else's code. You're here to build live streaming and gaming experiences that set a new bar for the industry, from the ground up for the Beast community. You'll work across the full stack, frontend and backend, to deliver features at a speed that wasn't possible before AI, and help shape a product that millions of users will experience in real time.

The Product

You'll be working, as part of a small and fast-moving team, on one of the most technically demanding parts of the product: a live and game stack where traffic is unpredictable and user expectations are unforgiving. Workloads are bursty and correlated: fan-out events drive synchronized connection storms that stress-test every layer of the stack, from load balancers to live streaming service to stateful game servers to database write throughput. That means:
  • Real-time features (video playback, messaging, leaderboards, in-game interactions) that must stay correct and fast under spike-driven load.
  • A client experience that needs to feel seamless across devices, network conditions, and concurrent user spikes.
  • Code that lives in production and gets stress-tested every time a creator moment drives a traffic surge.

What You'll Do
  • Build and ship live and game features across the full stack using AI coding tools, contributing to a velocity that redefines what a small engineering team can deliver.
  • Take ownership of your features end to end, from development through deployment, using AI-facilitated QA processes and tooling to maintain high engineering quality.
  • Write clean, reliable, and performant code with a strong sense of accountability for what you ship in production.
  • Collaborate closely with your teammates, contributing to a culture of high standards, fast iteration, and continuous learning.

Who You Are
  • AI-Native: You're already burning through tokens and using AI coding agents daily to move faster.
  • Full Stack Engineer: 3+ years of hands-on experience building consumer-facing products across frontend and backend, with comfort moving between client and server as the product demands.
  • Real-Time Enthusiast: You have genuine interest or experience in live streaming, gaming, or real-time systems. You understand why latency matters and you care about the user experience under load.
  • Ownership Mindset: You take pride in what you ship, follow through on production issues, and don't consider a feature done until it's running reliably in the hands of users.

Strong software engineering fundamentals with hands-on experience in at least one backend language (Node.js, Go, Java, Rust, or equivalent) and one frontend framework. Bonus points for experience with live streaming protocols (HLS, RTMP), real-time systems (websockets, messaging, leaderboards), gaming backend services, or prior work at a consumer-scale company.

Benefits
  • 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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