Applied Scientist PhD Internship in AI, Machine Learning, Computer Vision, NLP, and Reinforcement Learning at Roblox Roblox in United States

Roblox is hiring a PhD Applied Scientist Intern for 2026 in San Mateo, California. This is a research-focused internship for candidates working in computer science, machine learning, and related engineering fields.

The role centers on prototyping and experimenting with advanced AI and ML technologies, including deep learning, computer vision, natural language processing, reinforcement learning, and distributed systems. Interns will help translate cutting-edge research into production-ready features used at scale on one of the world’s largest gaming and immersive digital experience platforms.

Eligibility highlights: applicants should be currently pursuing or already enrolled in a PhD in computer science, engineering, or a related field, with a thesis aligned to Roblox’s research areas. Strong programming ability in languages such as Python, C++, Go, or Java is expected, along with experience building and optimizing large-scale systems. A strong publication record in top-tier peer-reviewed venues is also required.

Funding: this is a paid internship, with the listing showing $72/hour. The role is hybrid/onsite in San Mateo, with office presence expected Tuesday through Thursday and optional presence on Monday and Friday unless otherwise noted.

How to apply: use the employer application link and submit your materials through the portal. Make sure your CV, research background, and thesis/research fit clearly match the AI/ML areas listed in the posting.

Posted by: Aneeza S., who shares tech and product opportunities for students and new grads. The post links to a Roblox internship opportunity rather than an academic program or scholarship.