Roblox

Principal Engine Programmer - Systems (C++)

Roblox
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9 months ago
San Mateo, CA, USAStaff+
H1B sponsor

Base Salary

$294k - $343k/yr

Responsibilities

  • Lead engineers on the Engine Networking Team.
  • Develop and improve real-time networking and game-state communication systems.
  • Optimize network exchanges for latency and efficiency at millisecond-level precision.
  • Work across the game platform on networking and asset loading to support smooth player experiences.
  • Analyze CPU behavior, memory usage, and operating-system-level execution.

Requirements

  • 8+ years of industry experience.
  • Experience with systems-level C++ programming, including smart pointers, templates, virtual functions, and memory management.
  • Experience working on the core systems of a multiplayer game engine, including scale, performance, latency, and throughput in client/server environments.
  • Experience with large multithreaded distributed systems connecting millions of users worldwide.
  • Experience working across desktop, mobile phone, and console clients.
  • Understanding of game networking and operating-system-level behavior.
  • Experience with asset loading, rendering, and networking from a game engine or studio is desirable.
  • Passion for working with open-source software.

Benefits

  • Full-time employees are eligible for equity compensation and benefits.
  • Office-based roles are onsite Tuesday, Wednesday, and Thursday, with optional presence Monday and Friday.
  • Headquarters location is San Mateo, California.

Tech Stack

Categories

BackendGaming
Roblox

About Roblox

5,001-10,000 employees

Roblox builds a platform for user‑generated 3D experiences, offering Roblox Studio for creators and a social marketplace where players explore and interact across devices. Its business model centers on virtual currency (Robux) and subscriptions, platform fees paid to creators, and an expanding advertising offering. Founded in 2004 and headquartered in San Mateo, California, Roblox Corporation is publicly traded on the NYSE under the ticker RBLX.

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