Model Development

Model Development Data Jobs

2 jobs 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 (PhD Early Career) to advance multimodal AI, computer vision, and graphics. The role focuses on building production-ready models along with safety and identity systems that scale across the platform.

Responsibilities

Develop and deploy foundation models for visual and 3D content creation, search, and recommendations, aiming for high fidelity, relevance, and ranking.
Decompose complex product requirements into iterative milestones to transition applied research into scalable production pipelines.
Create innovative visual and multimodal models that power core Roblox features such as world building, avatar systems, search, and recommendations.
Build an end-to-end facial age estimation system across diverse demographics, integrating fraud-detection techniques to strengthen user identity safety.

Requirements

PhD in computer science, engineering, or a related field, with a thesis aligned to Roblox's research areas.
Expertise in computer vision, multimodal learning, 3D graphics, or large-scale representation learning.
Experience developing and training deep learning models using modern frameworks such as PyTorch, TensorFlow, or JAX.
Strong research track record with multiple publications and presentations in top-tier peer-reviewed venues.
Proficiency in programming languages including 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: Addresses various aspects of user identity, including bot detection, alternate account detection graphs, and age estimation based on behavioral and facial features.
Safety AI Systems: Build AI that automatically inspects and filters Roblox user-generated content across images, videos, audio, 3D meshes, and games, including computer vision for unsafe images, audio analysis to screen sound and music, and techniques for 3D content and code moderation.

Annual salary range

USD 195,780 - 242,100 per year

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2mo ago

Machine Learning Engineer

Amazon.com Services LLC New York, NY

New York, NY