Senior Software Engineer - Network Transport
Roblox · San Mateo, CA, United States
About this role
## About Roblox Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences—created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and we’re looking for amazing talent to help us get there. ## Team & Role The **Engine Networking Team** pulls the players together by ensuring communication of the game state to all. As a **Senior Network Transport Engineer**, you’ll help players experience the game as a nearly synchronous world—coordinating the computers involved into a smooth experience. You’ll work across the game platform to enable real-time communication across every part of Roblox. ## You Have - Worked on a powerful **user-space network stack**, solving problems related to **scale, performance, latency, and throughput** in **client/server** environments. - Worked on a very large **multithreaded distributed system** connecting **millions of users worldwide**. - Worked on **all devices Roblox supports** (desktop, mobile, console). - Worked on a **game engine** and understand how a game engine works. ## You Are - A software engineer with **7+ years** of experience in **game networking**, coming from a **game engine/studio**. - Deep understanding of the **network stack** and a passion for working with **open source**. - Strong **systems-level C++** experience—fascinated by what the CPU does when using **smart pointers, templates, virtual functions, and memory** (structured and raw). - Experience with **Linux networking**, **QoS**, and **congestion control algorithms**. - Keen attention to **each millisecond** of network exchanges—you know where time goes and how to reduce waste. - Understanding of what happens at the **operating system level** when code completes. ## Compensation (HQ: San Mateo, CA) - **Annual base salary range:** **$243,290 — $295,250 USD** - Actual base pay depends on job-related factors (background, training, experience, location, business needs, and market demand). The range may change. - Full-time employees are also eligible for **equity compensation** and **benefits**. ## Work Location / Schedule Roles based in an office are **onsite Tuesday, Wednesday, and Thursday**, with optional presence on **Monday and Friday** (unless otherwise noted). ## Equal Opportunity Roblox provides equal employment opportunities and prohibits discrimination and harassment of any type. ## US Work Authorization Note (US-based roles) For US-based roles only: the company may not be able to employ candidates for this role who have certain US work authorization related to specific visa categories, or support future **H-1B sponsorship** at this time.
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