Senior/Principal Software Engineer, Matchmaking

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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.

The Matchmaking team's mission is to:

  • Provide the best player experience by choosing the best game possible
  • Handle game orchestration by ensuring performance across Roblox worldwide data centers

As a Principal Software Engineer with the Matchmaking team, you'll have independence, and the opportunity to build and own end-to-end mission-critical services within the Roblox ecosystem.

Here are a few quick highlights of how we impact Roblox:

  • Matchmaking Decisions - Selecting the best game server possible for every play request is a o(n²) problem. The system supports several millions of concurrent players. We need YOU to raise that bar even higher!
  • The game orchestration system handles games spread across data centers distributed all over the world, which are growing to support Roblox' terrific growth.

Here are a few things we will work on together:

  • To achieve the best player experience possible, you'll lead experimentation, data-driven projects and partner with data teammates. You'll also work on our new Machine Learning prediction system to improve the quality of the matchmaking decision.
  • You'll help create the next generation of the Matchmaking system, built to increase up to 1B monthly active users. This distributed system will be available and support up to 1M QPS.

You Are:

  • Someone that has architected, designed, and developed a wide-array of software products.
  • An expert in building available distributed systems, and familiar with NoSQL/NewSQL systems.
  • Knowledgeable with REST, API design patterns, and scalable containerized systems and microservices.
  • Have previous experience building Machine Learning systems.
  • A Computer-Science graduate or MS graduate.
  • Someone with 7+ years of experience.
  • Reporting to the Matchmaking team.

#LI-Onsite

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—$383,910 USD

You’ll Love: 

  • Industry-leading compensation package
  • Excellent medical, dental, and vision coverage
  • A rewarding 401k program
  • Flexible vacation policy
  • 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. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.