Senior/Principal Data Scientist, AVC ( Audio/Video/Communications)

Roblox · San Mateo, CA

Posted 8/24/2026 · last confirmed live 8/26/2026

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. WHY DATA SCIENCE & ANALYTICS? The Data Science & Analytics organization's mission is to increase our speed, frequency and acumen of making decisions at scale by instilling a data-influenced approach to building products. We cover a wide area of the data spectrum including analytical data engineering, product analytics, experimentation, causal inference, statistical modeling and machine learning. Aligned and partnering with product verticals, we use this extensive tool belt to discover new opportunities and unmet use cases, influence and shape the product roadmap and prioritization, build data products and measure impact on our community of players and developers.   WHY AUDIO-VIDEO-COMMUNICATION (AVC) TEAM? Audio : We power all sound in the Roblox engine—from core audio infrastructure and physical sound simulation to developer APIs that drive immersive soundscapes. Video : We handle video end-to-end—including UGC, brand and ad uploads, transcoding, playback, Roblox Moments capture, face-tracking camera interfaces, discovery previews, and media safety/CSAM detection. Communications : We build and maintain high-reliability services that power real-time voice communication across in-game experiences and party systems. You Will: Define Metrics & Telemetry: Partner with engineering to design, log, and validate high-frequency telemetry. Establish KPIs for AVC products that directly impact creators and players. Transform & Visualize Data for Actionable Insights: Access raw system telemetry, build robust analytics pipelines, and deliver insights that directly optimize engine performance and media delivery. Design Experiments & Causal Analyses: Lead A/B testing and causal inference to evaluate product quality tradeoffs, validate feature launches, and shape data-driven product decisions. Drive Cross-Functional Collaboration: Partner closely with Engineering, Product, TPMs, and partner teams (Creator, Social, Growth, Infrastructure, etc.) to navigate ambiguous problem spaces. Shape Platform Architecture: Directly influence how core AVC systems evolve to deliver a scalable, high-performance platform for creators and players worldwide.   You Have: Education: Advanced degree (Master's or Ph.D.) in Computer Science, Statistics, Engineering, or a related quantitative field with a focus on system analysis (or equivalent practical experience). Experience: 6+ years as a Data Scientist with a proven track record working on high-volume telemetry and system performance optimization. Data Engineering at Scale: Deep expertise processing massive, noisy datasets (e.g., crash logs, telemetry pings) and building scalable reporting pipelines. Problem-Solving: Proven ability to use first-principles reasoning to debug complex, ambiguous system behavior. Technical Communication: Experience translating deep technical results for engineering leaders and using data storytelling to guide strategic investments. Nice to Have: Direct experience with game engines, audio/video products, or real-time interactive systems. Background in real-time systems performance tuning or game development analytics.   #LI-FO1 #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 as described on this page . Annual Salary Range $307,430 — $373,680 USD Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday (unless otherwise noted). 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 to candidates with qualifying disabilities or religious beliefs during the recruiting process. For US based roles only, please note the Company may not be able to employ candidates for this role who have United States work authorization related to certain U.S. visa categories, or support future H-1B sponsorship at this time.

This role is published by Roblox on greenhouse. SwiftFit is not the employer and does not accept applications.