Senior AI Tools Platform Engineer

Workday, Inc.; Pleasanton (CA); On-site; USD 190,000 - 285,000; Full time

Benefits offered by this job

Flexible work options

Annual stock grants

Bonus plan eligibility

Job summary

Workday, Inc. is seeking a senior engineer for the AI Tools team in Pleasanton to design and build the AI platform layer, including LLM gateways and MCP registries, used by thousands of Workday engineers daily.

You will work on AI agents, compliance tooling, and scalable infrastructure, collaborating with security and DevEx teams to ensure safe, high‑quality deployments. This role emphasizes rapid iteration and close partner engagement.

Qualifications

• 5+ years of software engineering experience.
• 3+ years building and operating backend services or platform infrastructure in production.
• Strong proficiency in Python and/or TypeScript.
• Hands‑on experience building or integrating with LLM APIs (OpenAI, Anthropic, etc.).
• Robust understanding of AI security principles and responsible AI practices.
• Genuine excitement about being on the leading edge of AI.

Responsibilities

• Design and build the AI platform layer: LLM gateways, MCP registries, abstraction APIs, and shared infrastructure that teams across Workday build on.
• Architect and implement AI agents and automation that improve the developer workflow – code review, documentation, testing, and beyond.
• Drive the evaluation and integration of AI model providers, keeping a strong eye on cost, safety, and performance tradeoffs.
• Serve as a scout for emerging AI capabilities – track new models, tools, and frameworks, and make recommendations to engineering leadership on when to adopt, evaluate, or pass.
• Lead technical design on complex, cross‑cutting projects in partnership with Security, DevEx, and infrastructure teams.
• Build observability and governance tooling that gives the organization visibility into how AI tools are being used.
• Operationalize AI policy and compliance requirements into our platform.

Skills

Python

TypeScript

LLM APIs

AI Security

Agentic AI

REST APIs

Kubernetes

Docker

Security/Policy

Communication

Tools

MCP Servers

Claude skills

Docker

Kubernetes

REST API

Cloud Deploy

Job description

Workday, Inc. is seeking a senior engineer for the AI Tools team in Pleasanton to design and build the AI platform layer, including LLM gateways and MCP registries, used by thousands of Workday engineers daily.

You will work on AI agents, compliance tooling, and scalable infrastructure, collaborating with security and DevEx teams to ensure safe, high‑quality deployments. This role emphasizes rapid iteration and close partner engagement.