Senior Engine Systems Engineer — C++ DataModel

Roblox; California (MO); Hybrid; USD 242,000 - 294,000; Full time

Job summary

Roblox is seeking a Senior Software Engineer for the Engine DataModel team in San Mateo, CA. You will own and innovate on foundational components that form the backbone of the Roblox platform, reporting to the engineering manager in a hybrid setup three days a week.

You will develop engine code, build core systems and data structures, and take ownership of projects throughout their lifecycles, ensuring performance across desktop, mobile, and consoles in Roblox’s expansive ecosystem.

Qualifications

• Experience developing systems-level C++ applications for large-scale platforms.
• Background in game engine internals and core data structures.
• Ability to optimize performance across desktop, mobile, and console targets.
• Strong understanding of C++ templates, memory layout, and ownership models.
• Familiarity with smart pointers, memory management, and low-level concepts.

Responsibilities

• Develop engine code that performs well for all Roblox user-created games.
• Build core systems and data structures used in the Roblox engine across teams.
• Take ownership of projects across their full lifecycles.
• Ensure code runs efficiently on all Roblox-supported devices.

Skills

Systems-level C++

Game engine internals

Performance optimization

Templates & memory

Smart pointers

Job description

Roblox is seeking a Senior Software Engineer for the Engine DataModel team in San Mateo, CA. You will own and innovate on foundational components that form the backbone of the Roblox platform, reporting to the engineering manager in a hybrid setup three days a week.

You will develop engine code, build core systems and data structures, and take ownership of projects throughout their lifecycles, ensuring performance across desktop, mobile, and consoles in Roblox’s expansive ecosystem.