Senior ML Engineer, Communication Safety

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.

About the Role:

As a Machine Learning Engineer, you will use the latest advances in deep learning, NLP to empower the immersive Spatial voice chat communication in experiences on Roblox

Our products include backend services working at high scale, data pipelines, ML models, and tools to ensure safe and civil experience (voice chat, 3D audio, and large-scale broadcast), to our 150M+ monthly users. Safety is Roblox's #1 priority and your mission is to expand voice chat to users around the globe to freely express themselves while keeping the community safe

If you enjoy working on the latest software while ensuring safety of the amazing products being built for the passionate community of Roblox, you'll be right at home within our Communication Safety team. You will be reporting to the Engineering Manager on the Communication Safety team.

You Will:

• Build systems from ground-up, to detect and address complex degrees of Abuse possible with end-user communication systems supporting millions of users on Roblox. This may involve building backend services working at high scale, ML models, or tools to support our operation teams.
• Shape how the next generation of internet users interacts safely in the metaverse
• Define platform features to support product teams across the company in ensuring safety in every aspect of real-time communication at Roblox.
• Collaborate with product and design to push the boundary of what is possible.
• Use best programming practices, optimizing code to be performant
• Help recruit future talent for the team

You Have:

• A bachelor's degree in a related field with an emphasis on computer vision, NLP, graphics or machine learning
• 4+ years of experience researching, experimenting on model design and putting them into practice in Industry
• Experience building available and large-scale distributed fault tolerant services
• Publications in top-tier conferences (CVPR, ICCV, ICML, NIPS, SIGGRAPH) or equivalent contribution to industry or open-source projects.

You Are:

• Experienced: build ASR systems or NLP with Audio input
• Proficient in Python and at least one deep learning library (TensorFlow, PyTorch, MXNet)
• Familiarity with latest deep learning models including RNN-T, CTC, LSTM
• Solid: with software design skills and the ability to write efficient, readable and reusable code
• Responsible: you build systems that work and keep on working reliably. You are thorough in your designs, rigorous in handling potential failure cases, and diligent in automated testing.
• Curious: you are keen to learn, and stay up-to-date on technology developments.
• Analytical: Excited to investigate large, ambiguous problems, and measure the problems and the solutions.
• Creative: You take a creative and strategic approach to solving hard problems and driving new tools/functionality for our end users and experience developers
• Team-oriented: You can work well as part of a team and know how to collaborate with all participants to develop the best solutions. Write clear design specs, mentor junior engineers, and guide projects from beginning to end

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$218,540—$283,780 USD

You’ll Love: 

• Industry-leading compensation package
• Excellent medical, dental, and vision coverage
• A rewarding 401k program
• Flexible vacation policy