Principal ML Engineer – Content Safety


Daily, tens of thousands and thousands of individuals come to Roblox to discover, create, play, be taught, and join with buddies in 3D immersive digital experiences– all created by our world neighborhood of builders and creators. 

At Roblox, we’re constructing the instruments and platform that empower our neighborhood to deliver any expertise that they’ll think about to life. Our imaginative and prescient is to reimagine the best way folks come collectively, from wherever on the planet, and on any gadget. We’re on a mission to attach a billion folks with optimism and civility, and on the lookout for wonderful expertise to assist us get there. 

A profession at Roblox means you’ll be working to form the way forward for human interplay, fixing distinctive technical challenges at scale, and serving to to create safer, extra civil shared experiences for everybody.


At Roblox, we purpose to attach a billion folks with optimism and civility, and the Security group’s mission is to turn into the chief in civil immersive on-line communities. We systematically detect, take away, and forestall problematic content material and habits, and we make Roblox accounts safe and free from compromise. We cowl a broad space of the tech spectrum, together with machine studying, classifiers for 3D fashions, experimentation, automation, detection workflows, and AI-powered textual content filters. Aligned and partnering with product groups, we use this device belt to find new alternatives, affect and form the product roadmap and prioritization, construct security merchandise, and measure the impression on our neighborhood of customers and builders. In doing so, we hold Roblox protected, civil, and inclusive.


As a Principal ML Engineer on Content material Security, you may construct methods to make sure that user-generated content material throughout Roblox is protected and civil. You will work on a few of the most difficult issues we face, from real-time text-filters at scale, to utilizing LLMs. Security and Civility is Roblox’s #1 precedence, and our mission is to guard our neighborhood. You’ll report into the Engineering Supervisor of Content material Security. This isn’t a distant function.


You Are:

  • A Technical Chief: You have got initiated and facilitated difficult technical options. Your technical experience influences product route.
  • Versatile: You’re snug with a number of languages and applied sciences already. You’re taking a inventive and strategic method to fixing arduous issues.
  • Analytical: Excited to research massive, ambiguous issues, and measure the issues and the options.
  • Person Oriented: You at all times begin with the wants of the consumer, whether or not they’re Roblox customers or inside engineers earlier than architecting an answer.
  • Workforce-oriented: You raise up your friends and discover methods to make the group stronger.

You Will:

  • Construct methods to detect and handle problematic content material on Roblox. You’ll construct backend providers working at excessive scale, ML fashions to detect unsafe content material of every type, and instruments to assist our evaluation operation groups.
  • Construct platform options to assist product groups throughout the corporate in guaranteeing security in each a part of Roblox.
  • Assist outline the group’s roadmap and long-term technique in direction of preserving content material and options on Roblox protected.

You Have:

  • 8+ years of expertise in software program improvement
  • 8+ years of expertise constructing and delivery merchandise to manufacturing.
  • 5+ years of expertise figuring out and driving options to troublesome issues that span a number of groups and require deep technical experience.
  • 5+ years of expertise growing large-scale customer-facing consumer experiences.
  • 5+ years expertise delivery scaled ML fashions in manufacturing.
For roles which can be primarily based at our headquarters in San Mateo, CA: The beginning base pay for this place is as proven under. The precise base pay depends upon quite a lot of job-related elements similar to skilled background, coaching, work expertise, location, enterprise wants and market demand. Due to this fact, in some circumstances, the precise salary might fall exterior of this anticipated vary. This pay vary is topic to vary and could also be modified sooner or later.  All full-time workers are additionally eligible for fairness compensation and for advantages.
Annual Wage Vary
$267,720$331,640 USD

You’ll Love: 

  • Trade-leading compensation package deal
  • Glorious medical, dental, and imaginative and prescient protection
  • A rewarding 401k program
  • Versatile trip coverage
  • Roflex – Versatile and supportive work coverage 
  • Roblox Admin badge on your avatar
  • At Roblox HQ: 
    • Free catered lunches 5 instances every week and several other totally stocked kitchens with limitless snacks
    • Onsite health heart and health program credit score
    • Annual CalTrain Go Cross

Roblox supplies equal employment alternatives to all workers and candidates for employment and prohibits discrimination and harassment of any kind with out regard to race, colour, faith, age, intercourse, nationwide origin, incapacity standing, genetics, protected veteran standing, sexual orientation, gender identification or expression, or another attribute protected by federal, state or native legal guidelines. This coverage applies to all phrases and situations of employment, together with recruiting, hiring, placement, promotion, termination, layoff, recall, switch, leaves of absence, compensation and coaching.

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