Senior Software Engineer - Traffic Engineering

<div class="content-intro"><p><span style="font-weight: 400;">Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. </span></p> <p><span style="font-weight: 400;">At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.</span><strong> </strong><span style="font-weight: 400;">We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. </span></p> <p><span style="font-weight: 400;">A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone.</span></p></div><p>The DNS team is responsible for one of Roblox's most critical infrastructure systems, operating a global anycast DNS network that serves millions of queries per second for both our internal engineering infrastructure and the external player experience. Every connection to Roblox, whether a player joining their favorite experience or an engineer deploying code, starts with DNS.</p> <p>As a Senior Software Engineer on the DNS team, you'll tackle some of the most challenging problems in distributed systems at massive scale. You'll work on the DNS infrastructure that connects hundreds of millions of players worldwide to Roblox experiences, while also supporting our rapidly growing internal engineering ecosystem. Your work will span the full stack, from optimizing recursive and authoritative DNS performance, to implementing advanced traffic routing strategies, to hardening our systems against DDoS attacks and emerging security threats. You'll lead technical initiatives to scale our infrastructure 10x, improve reliability and observability, and push the boundaries of what's possible with DNS. This is a rare opportunity to work on foundational internet infrastructure where every optimization you make has immediate, measurable impact on the Roblox platform and the millions of people who use it daily.</p> <p><strong>You Will</strong></p> <ul> <li>Deliver best-in-class DNS service for Roblox and its community.</li> <li>Enhance and extend our systems with a focus on performance, reliability and security.</li> <li>Collaborate with engineers, product managers, and cross-functional teams to deliver ambitious technical projects.</li> <li>Be a gatekeeper for a high code quality bar, architectural designs, and pragmatic vs. long-term approaches.</li> <li>Uphold our company vision by putting the Roblox community first and exemplifying our values.</li> </ul> <p><strong>You Have</strong></p> <ul> <li>5+ years of software engineering experience.</li> <li>Proficiency in languages such as Python, Golang and Rust.</li> <li>Proven expertise in building highly scalable distributed systems.</li> <li>Excellent communication skills with the ability to influence cross-functional teams and external partners.</li> <li>A passion for solving complex problems and driving technical excellence.</li> </ul><div class="content-pay-transparency"><div class="pay-input"><div class="description"><p>For roles that are based at our headquarters in San Mateo, CA: The starting base pay for this position is as shown below. The actual base pay is dependent upon a variety of job-related factors such as professional background, training, work experience, location, business needs and market demand. Therefore, in some circumstances, the actual salary could fall outside of this expected range. This pay range is subject to change and may be modified in the future. All full-time employees are also eligible for equity compensation and for benefits as described on <strong><a href="https://caree ... (truncated, view full listing at source)