Senior Engineer, Engine Networking | Roblox, San Mateo, CA

The Briefed; San Mateo (CA); On-site; USD 180,000 - 240,000; Full time

Benefits offered by this job

Equity compensation for all full-time

Benefits for full-time employees (see

Job summary

Roblox is seeking a Senior Software Engineer to join the Engine Networking team. You will work on building blocks of Roblox's core engine, touching threading, memory management, physics, and scripting to support a global developer community.

The role focuses on high-performance, real-time C++ systems across client and server, with collaboration from experienced engineers on game engine internals. This position is based in California with on-site work expectations.

Qualifications

• 4+ years of experience in large, complex C++ codebases.
• Experience with system-level pointers, templates, and memory management.
• Experience in game engine internals or strong interest to learn.

Responsibilities

• Develop C++ engine code for sub-systems critical to the Roblox game engine.
• Work on data syncing between server and client and streaming.
• Collaborate across teams to ensure performance on devices with varying CPU/memory.

Skills

C++ in large codebases

Systems-level programming

Game engine internals

Client-server data syncing

Performance optimization

Job description

As a Senior Software Engineer on the Engine Networking team, you will have an immediate impact on the building blocks of Roblox itself. The software is a very large application that lets a global community of 2M+ developers push the boundaries of interactive gaming, and your work will touch every part of the engine, from threading and memory management to physics and scripting. If you enjoy C++ and have a passion for high-performance real-time applications, you will be at home on the growing Game Engine team alongside experienced, passionate engineers.

Key Responsibilities

• Develop C++ engine code for sub-systems critical to the Roblox game engine
• Work on sub-systems that handle data syncing between server and client, game-aware data streaming, and harmonizing resource usage so gameplay works on devices with varying CPU and memory capabilities
• Work on every application Roblox develops, from mobile phone clients to cloud-based servers

Requirements

• 4+ years of experience, including work on deep, challenging problems in large and complex C++ codebases
• Comfort with system-level pointers, templates, and raw blocks of memory as tools for writing code
• Experience working in the internals of a game engine, or a passion for learning it
• A record of building systems that work and keep working reliably
• Curiosity and a drive to stay current on technology developments
• Education: Not specified

Skills

Technical Skills

• C++ in large, complex codebases
• Systems-level programming (pointers, templates, memory management)
• Game engine internals
• Client-server data syncing and streaming
• Performance and resource optimization across devices

Soft Skills

• Curiosity and continuous learning
• Reliability-focused engineering
• Collaboration with experienced engineers

Benefits

• Equity compensation for all full-time employees
• Benefits for full-time employees, with details at careers.roblox.com/total-rewards