Senior Software Engineer, Engine Systems

Location: San Mateo, California, United States; office-based roles are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday.

Salary: $243,290–$295,250 USD annual base pay, plus eligibility for equity compensation and benefits.

Company

Roblox builds tools and a platform for creating and experiencing 3D immersive digital experiences.

What you will do

• Build and maintain systems that report stability, reliability, and performance signals across Roblox clients.
• Write instrumented systems-level code for mobile, desktop, and major console platforms.
• Develop diagnostic instrumentation covering hardware-level behavior through end-user experience.
• Provide engineering teams with tools and signals to detect, understand, and resolve user-experience disruptions.
• Design reliable systems that operate at massive scale and support safe weekly binary updates.

Requirements

• 5+ years of professional software engineering experience with ownership of complex technical systems.
• Strong proficiency in systems-level programming languages such as C++, C#, Objective-C, Rust, or a similar language.
• Experience building data-driven software whose integrity can be measured and proven through each stage of the system.
• Collaborative engineering approach, strong communication skills, and focus on team outcomes.

Nice to have

• Experience with observability systems, telemetry, crash reporting, hang detection, application performance monitoring, or related diagnostic tooling.
• Experience collaborating with Data Science, Infrastructure, and similar stakeholders to guide technical decisions.
• Multi-platform expertise across several mobile or console ecosystems.
• Interest in mentoring engineers and improving broader engineering quality.
• Experience with game engines, large client applications, or performance-critical runtime systems.

Culture & Benefits

• Collaborative engineering environment focused on team outcomes.
• Full-time employees are eligible for equity compensation and benefits.
• Equal employment opportunities and reasonable accommodations are provided during the recruiting process.