Principal Software Engineer, Network Traffic

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. 

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. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. 

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.

What You’ll Do:

The Traffic team’s mission is to accelerate User-to-Roblox communication. As a Principal Software Engineer on the Traffic team, you will contribute to the evolution of our distributed platform supporting Roblox services for our millions of users. This is a highly multi-functional role where collaboration is key, with not only Networking teams but Infrastructure teams at large.

You will:

• Design and build tools and systems to support our growing Edge infrastructure.
• Improve our Edge termination product to provide the best experience to our community.
• Collaborate with teams across groups to move company initiatives forward.
• Champion software engineering culture within the team (e.g. coding standard processes).
• Participate in the on-call rotation for our critical infrastructure.

You have: 

• 8 YOE developing network software in Python and Golang (C, Lua, Rust a plus).
• Strong knowledge of TCP, HTTP, DNS, TLS, and UDP protocols.
• Experience with Reverse Proxies (e.g. HAProxy, Envoy)
• A track record of building DDoS/WAF Protection products.
• Machine Learning experience is a plus.

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.

Annual Salary Range$283,780—$331,640 USD

Roles that are based in our San Mateo, CA Headquarters are in-office Tuesday, Wednesday, and Thursday, with optional in-office on Monday and Friday (unless otherwise noted).

You’ll Love: 

• Industry-leading compensation package
• Excellent medical, dental, and vision coverage
• A rewarding 401k program
• Flexible vacation policy (varies by exemption status)
• Roflex - Flexible and supportive work policy 
• Roblox Admin badge for your avatar
• At Roblox HQ: 
• Free catered lunches five times a week and several fully stocked kitchens with unlimited snacks
• Onsite fitness center and fitness program credit
• Annual CalTrain Go Pass

Roblox provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Roblox also provides reasonable accommodations for all candidates during the interview process.