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# Principal Software Engineer

- **Company:** Roblox
- **Location:** San Mateo, CA, United States
- **Experience:** Expert
- **Salary:** $295,250.0 - $345,040.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), 3d Models, Artificial Intelligence, Computer Vision, C Sharp (Programming Language), C++ (Programming Language), Computer Programming, Content Analysis, Python (Programming Language), Machine Learning, Tensorflow, Cloud Platform System, Pytorch, ReactJS, Deep Learning, Generative AI, Backend, AngularJS, Machine Learning Operations, Front End Software Development
- **Published:** October 11, 2026
- **Apply:** https://startup.jobs/principal-software-engineer-content-understanding-roblox-9740680

## About the Role

* 9+ years of strong programming skills in at least two languages (Python, C#, C++, Java) and a willingness to learn others as needed.
 * Exposure to front end technologies and frameworks such as React or Angular.
 * Practical experience crafting and scaling backend systems in cloud environments.
 * Confirmed expertise across the stack, including backend development to deploying ML models in production environments.
 * Familiarity with image or 3D object understanding, ideally within gaming or content creation industries.
 * A "get stuff done" mentality with a readiness to solve challenges and take on tasks beyond your comfort zone to get results.
 * A great foundation in computer vision, AI, or related fields.

You Are

 * Experience with large-scale search systems, generative AI, or semantic content understanding.
 * Experience with modern deep learning frameworks (e.g., PyTorch, TensorFlow) and end-to-end ML workflows.
 * Knowledge of 3D geometry or asset workflows.
 * Passion for empowering creators through innovative technology.

## Description

* 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.