Principal Software Engineer (Content Understanding)

As a Principal Software Engineer within the Creator Organization, you will develop innovative full-stack solutions that define the future of Roblox’s Content Understanding Platform

This platform processes billions of pieces of content—spanning 3D models, audio files, text, video, and entire experiences—extracting structured information about their meaning, context, and relationships

The Content Understanding Team develops cutting-edge AI models, advanced computer vision systems, and highly scalable backend platforms to power search, discovery, and moderation across Roblox

Your contributions will enable seamless asset discovery, automate moderation at scale, and drive transformative generative AI tools that reshape how millions of creators and users engage with Roblox

Solve full-stack challenges to improve how AI, creators, and users describe and get along with content, including images, 3D models, audio, text, and video

Craft and build scalable pipelines for training, evaluating, and deploying machine learning models to support content annotation and discovery

Develop robust backend systems to power real-time search, discovery, and powerful generative AI features

Blend innovation with practicality, applying the latest AI research to build impactful, production-ready solutions

Collaborate with engineers, product managers, and multi-functional teams to deliver bold technical projects

A great foundation in computer vision, AI, or related fields

Knowledge of 3D geometry or asset workflows

Experience with large-scale search systems, generative AI, or semantic content understanding

Familiarity with image or 3D object understanding, ideally within gaming or content creation industries

Experience with modern deep learning frameworks (e.g., PyTorch, TensorFlow) and end-to-end ML workflows

Passion for empowering creators through innovative technology

A “get stuff done” mentality with a readiness to solve challenges and take on tasks beyond your comfort zone to get results

Exposure to front end technologies and frameworks such as React or Angular

Practical experience crafting and scaling backend systems in cloud environments

You Are

Confirmed expertise across the stack, including backend development to deploying ML models in production environments

9+ years of strong programming skills in at least two languages (Python, C#, C++, Java) and a willingness to learn others as needed.