Engineer - AI Security

Build the Next Generation of Agentic Tools

As an AI and Agentic Engineer at Exelixis, you will be the bridge between visionary ideas and production-ready automation. This role focuses on designing and deploying intelligent agents that streamline enterprise workflows, moving rapidly from initial prototypes to robust, testable software solutions. You won't just be writing code; you'll be architecting the systems that allow LLMs to interact with the real world through APIs and advanced planning loops.

The Vibe-Coding Tech Stack

This position is tailor-made for developers who have mastered AI-assisted engineering. You will use tools like Claude Code and GitHub Copilot to accelerate delivery, focusing on:

• Agentic Frameworks: Developing multi-step execution loops and tool-use capabilities.
• Modern Languages: Leveraging Python and TypeScript within AI-native workflows.
• Security & Reliability: Implementing guardrails and CI/CD pipelines to ensure AI outputs meet high enterprise standards.

Growth & Impact

Joining a biotech leader like Exelixis means applying cutting-edge AI to meaningful business problems. You will have the opportunity to evolve early-stage prototypes into sophisticated, modular codebases, sharpening your skills in prompt engineering, context management, and secure-by-design AI principles.