AI & Agentic Engineer I: Prototyping Smart Workflows

Exelixis; Alameda (CA); On-site; USD 129,000 - 182,000; Full time

Benefits offered by this job

401k plan with generous company_condu

Group medical coverage

Dental and vision coverage

Life and disability insurance

Flexible spending accounts

Discretionary annual bonus program

Stock purchase and long-term incentive

Vacation and holidays

Sick days

Job summary

Exelixis is seeking an Engineer I - AI and Agentic to prototype, build, and deploy agent-based applications that accelerate enterprise IT and business workflows. This role turns early ideas into spec-driven, testable, production-ready solutions using modern AI-assisted development tools while adhering to Exelixis' security, compliance, and responsible AI standards.

The role involves prototyping rapidly, evolving prototypes into maintainable code, integrating LLMs and APIs, and contributing to

Qualifications

• Bachelor's degree in Computer Science, Artificial Intelligence, Data Science, Software Engineering, or a related field and 3 years of related experience.
• Master’s degree in Computer Science, Artificial Intelligence, Data Science, Software Engineering, or a related field and 1 year or related experience.
• Equivalent combination of education and experience.

Responsibilities

• Prototype AI applications and agentic workflows under the direction of senior engineers.
• Prototype rapidly using vibe-coding techniques, then evolve prototypes into maintainable code with clear specs and tests.
• Develop agents that automate multi-step IT and business tasks by connecting LLMs, prompts, tools, and APIs.
• Use coding agents and modern developer tools to accelerate delivery.
• Execute CI/CD pipeline tasks for automated testing, build validation gates, and artifact versioning.
• Write documentation and runbooks, including architecture notes and SOPs.
• Participate in prompt/spec reviews, code reviews, and pre-release testing/validation activities.

Skills

LLMs

Prompt engineering

Agent frameworks

REST APIs

Git

Security/compliance

Education

Bachelor's degree in CS/AI/DS/SE

Master’s degree in CS/AI/DS/SE

Equivalent combination

Tools

Claude Code

GitHub Copilot

Codex

AWS Bedrock

Job description

Exelixis is seeking an Engineer I - AI and Agentic to prototype, build, and deploy agent-based applications that accelerate enterprise IT and business workflows. This role turns early ideas into spec-driven, testable, production-ready solutions using modern AI-assisted development tools while adhering to Exelixis' security, compliance, and responsible AI standards.

The role involves prototyping rapidly, evolving prototypes into maintainable code, integrating LLMs and APIs, and contributing to