About the role#
As an AI/ML PhD Intern, you will join a team building the AI foundation for our data platform. You will work on projects that directly impact how thousands of enterprises interact with their data. We are looking for researchers who want to apply their expertise to real-world business and data challenges.
What you'll do#
- Conduct original AI/ML research in areas such as search, recommendations, natural language processing, and agentic workflows.
- Prototype and productionize AI systems that are intuitive for users.
- Solve UX problems at the intersection of AI, analytics, and data applications.
- Contribute to scalable AI/ML infrastructure for the experimentation, training, and evaluation of large-scale models.
What you'll need#
- Current enrollment in a PhD program studying AI/ML at a U.S. accredited university.
- Deep understanding of machine learning, including deep learning algorithms, model architectures, and optimization.
- Baseline experience building and deploying production-grade AI/ML systems.
- Knowledge of the full ML lifecycle, including data curation, training, deployment, and monitoring.
- A desire to bridge research and application by bringing new AI concepts into production.
Location & details#
- This is a full-time, paid internship for Summer 2027.
- The role is based on-site in San Francisco, California.
- Sponsorship is not available for this position.
About Sigma
Sigma provides a platform for data analytics and application development. It integrates with cloud data warehouses to help technical and business teams build AI applications and automated workflows. The company offers tools including a spreadsheet interface, Python editors, and SQL editors. It is based in San Francisco and has between 501 and 1,000 employees.
How to get in at Sigma
Applying early to Sigma provides a distinct advantage because recruiters review applications as they arrive. Intern Insider sends an instant alert the moment a role matching your target is published, ensuring you apply among the first before the pile grows. This helps you avoid the common frustration of submitting your resume after the initial review phase has already begun. You can also improve your response rates by reaching out to the recruiters behind these roles directly. Intern Insider surfaces the specific people managing Sigma's hiring, which allows you to ask informed questions about the position or request a referral. Connecting with the right person often makes the difference between a silent rejection and a conversation.
