3 days ago
San Mateo, CA, USASenior
Base Salary
$243k - $295k/yr
Responsibilities
- Build and operate distributed training infrastructure for ranking, recommendation, and pricing models.
- Design and optimize model training and inference systems for GPU utilization, memory, throughput, latency, and cost.
- Build backend services and APIs integrating model predictions into Marketplace, Payments, and Developer Monetization.
- Build and scale batch, streaming, and feature pipelines with a focus on freshness, correctness, and training-serving consistency.
- Own model packaging, deployment, versioning, shadow and canary rollouts, and A/B experiment integration.
- Establish reliability and observability practices including logging, monitoring, alerting, and on-call for ML services.
- Collaborate with ML platform, data infrastructure, Marketplace, and Economy backend teams.
- Help shape the team’s training and serving stack and infrastructure roadmap.
- Mentor engineers through design reviews, code reviews, and hands-on guidance.
Requirements
- 5+ years of software engineering experience, including 2+ years building and operating ML infrastructure or ML-backed production services at high scale.
- Strong Python skills and proficiency in at least one additional backend language.
- Experience designing and operating distributed, low-latency services.
- Production experience training and serving deep learning models with PyTorch, including multi-GPU and multi-node training and GPU inference deployment.
- Experience building batch and streaming data pipelines and feature stores using technologies such as Spark, Flink, or Kafka.
- Experience with monitoring, alerting, incident response, and production system operations.
- Experience with recommendation, search, or ads systems is preferred.
- BS, MS, or Ph.D. in Computer Science, Engineering, or a related technical field, or equivalent practical experience.
Benefits
- Annual base salary range of $243,290–$295,250 USD for roles based at the San Mateo, California headquarters.
- Full-time employees are eligible for equity compensation and benefits.
- Office-based roles are onsite Tuesday through Thursday, with optional presence Monday and Friday unless otherwise noted.
- Roblox provides equal employment opportunities and reasonable accommodations during the recruiting process.
Tech Stack
Categories
About Roblox
Roblox builds a platform for user‑generated 3D experiences, offering Roblox Studio for creators and a social marketplace where players explore and interact across devices. Its business model centers on virtual currency (Robux) and subscriptions, platform fees paid to creators, and an expanding advertising offering. Founded in 2004 and headquartered in San Mateo, California, Roblox Corporation is publicly traded on the NYSE under the ticker RBLX.