Computer Graphics Engineer Jobs

1 job found

2mo ago

Senior Machine Learning Engineer, Multimodal AI, Computer Vision and Graphics - PhD Early Career

roblox San Mateo, CA

San Mateo, CA

2mo ago Closed

$196k - $242k/yr Full time Senior 3d Modeling Artificial Intelligence

This position is no longer accepting applications (closed Jun 21, 2026).

Job Description

Roblox is seeking a Senior Machine Learning Engineer at an early career PhD level to advance multimodal AI, computer vision, and graphics. The role centers on building production-ready models and safety and identity systems that underpin core platform capabilities, from world-building tools to avatar systems and personalized discovery. This onsite position in San Mateo offers a path to influence large-scale user experiences while shaping the journey from research to deployment.

Location

San Mateo, CA (onsite)

Salary

USD 195,780 - 242,100 per year

Responsibilities

Design and implement foundation models for visual and 3D creation, search, and recommendations, ensuring high fidelity, relevance, and ranking.
Decompose complex product requirements into iterative deliverables and translate applied research into scalable production systems.
Develop and deploy innovative visual and multimodal models that power core Roblox features such as world creation, avatar systems, search, and recommendations.
Build precise facial age estimation across demographics from the ground up, integrating fraud-detection techniques to create a robust and safe user identity system.

Requirements

PhD in computer science, engineering, or a related field, with a thesis aligned to Roblox’s research areas (or current pursuit of such).
Expertise in one or more of the following: computer vision, multimodal learning, 3D graphics, or large-scale representation learning.
Experience developing and training deep learning models using modern frameworks (PyTorch, TensorFlow, JAX).
Strong research track record with multiple publications and presentations in top-tier, peer-reviewed venues.
Proficiency in programming languages such as Python, C++, Go, or Java, and experience building and optimizing large-scale systems.

Technologies

PyTorch
TensorFlow
JAX
Python
C++
Go
Java

Benefits

Equity compensation

Teams hiring for this role

Content Understanding: Develop large-scale computer vision and multimodal models that classify, organize, and recommend 3D and visual content to improve user discovery, personalization, and safety.
Account Identity: Focuses on various aspects of user identity, including bot detection, alternate account detection graphs, and age estimation based on behavioral and facial features.
Safety AI Systems: Create AI that automatically inspects and filters the broad range of user-generated content on Roblox, including images, videos, audio, 3D meshes, and games. This encompasses CV models for unsafe imagery, audio analysis for screening sounds, and novel approaches for 3D content and code moderation.

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