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Principal Software Engineer, Application Networking

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.

Roblox's Application Networking team is executing a strategic transformation. We're moving from diverse legacy solutions to a unified, modern, open-source-based platform built around Envoy and Istio. This is a unique opportunity for a Principal Engineer to architect, build, and scale the critical infrastructure connecting and securing all Roblox applications – from user-facing gateways to the mesh connecting thousands of microservices, now including our rapidly expanding Kubernetes environment. You will tackle complex challenges related to immense scale, high reliability, state-of-the-art security, performance optimization, and hybrid environment networking

You will:

  • Set the technical vision of the application networking domain
  • Lead the execution to deliver on the vision
  • Deliver high-quality code and design while holding a high bar for the team
  • Influence the technical direction across networking and infrastructure
  • Mentor and grow engineers on the team

You have:

  • 8+ years of experience; You are an engineer building large-scale systems that influence the whole company with 8+ years of professional experience
  • Expertise in gateways and the application networking domain
  • Excellent communication who works well within and across teams
  • Experience as a problem solver and leading on-calls for critical infrastructure systems

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$391,590 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.

Average salary estimate

$337685 / YEARLY (est.)
min
max
$283780K
$391590K

If an employer mentions a salary or salary range on their job, we display it as an "Employer Estimate". If a job has no salary data, Rise displays an estimate if available.

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Roblox's mission is connect a billion people with optimism and civility. Our vision is to reimagine the way people come together.

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BADGES
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CULTURE VALUES
Inclusive & Diverse
Rise from Within
Mission Driven
Diversity of Opinions
Work/Life Harmony
Feedback Forward
Growth & Learning
Fast-Paced
Collaboration over Competition
Transparent & Candid
Casual Dress Code
Empathetic
BENEFITS & PERKS
Medical Insurance
Paid Time-Off
Maternity Leave
Donation Matching
Vision Insurance
Summer Fridays
401K Matching
Work Visa Sponsorship
Paid Volunteer Time
Equity
Mental Health Resources
Family Medical Leave
FUNDING
SENIORITY LEVEL REQUIREMENT
TEAM SIZE
EMPLOYMENT TYPE
Full-time, hybrid
DATE POSTED
April 30, 2025

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