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AI Engineer Intern

Thirdlayer

San Francisco, CA, USInternshipPosted September 12, 2026

Join us in pushing the boundaries of what's possible with LLMs and browser-native AI. You'll work on cutting-edge problems in agent systems, context handling, and tool use, while collaborating directly with our research team to bring novel approaches to production. What You'll Build • Browser agent and tool-calling systems. • Evaluation frameworks for agent performance. • Memory and personalization layer for workflows Requirements • Research/work experience with LLMs, modern AI frameworks, and/or ML. • Experience with prompt engineering strategies. • Strong foundation in Python and TypeScript. …

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The rest of the description, the direct apply link, your match score, a tailored resume and the recruiters to message all come with internOS Pro. 3 days free, then $10/month. Cancel anytime.