Software Development Engineer, AI Platform

Workday•Boulder, CO

1d•Hybrid

About The Position

Your work days are brighter here. We’re obsessed with making hard work pay off, for our people, our customers, and the world around us. As a Fortune 500 company and a leading AI platform for managing people, money, and agents, we’re shaping the future of work so teams can reach their potential and focus on what matters most. The minute you join, you’ll feel it. Not just in the products we build, but in how we show up for each other. Our culture is rooted in integrity, empathy, and shared enthusiasm. We’re in this together, tackling big challenges with bold ideas and genuine care. We look for curious minds and courageous collaborators who bring sun-drenched optimism and drive. Whether you're building smarter solutions, supporting customers, or creating a space where everyone belongs, you’ll do meaningful work with Workmates who’ve got your back. In return, we’ll give you the trust to take risks, the tools to grow, the skills to develop and the support of a company invested in you for the long haul. So, if you want to inspire a brighter work day for everyone, including yourself, you’ve found a match in Workday, and we hope to be a match for you too. About the Team The Agent Runtime team develops Workday’s secure runtime for enterprise AI agents. The platform provides deterministic policy enforcement, least-privilege execution, and auditable control points for trustworthy AI workflows. We build foundational runtime components and work across platform and ML partner teams to support secure execution at enterprise scale. About the Role As a Software Development Engineer on Agent Runtime, you will implement key runtime components and services that power secure agent execution. You will contribute to design, coding, testing, and operations for systems that enforce policy and reliability guarantees in production. In this role, you will: Build backend services and runtime components for cell lifecycle and execution control. Implement policy-aware data, context, tool, and model access pathways. Contribute to interface development between runtime components and partner systems. Write high-quality, testable code and participate in code and design reviews. Develop telemetry and logging capabilities for traceability and operational insight. Support production operations, performance tuning, and incident follow-through. Collaborate closely with senior engineers and partner teams on roadmap delivery.

Requirements

5+ years experience in backend software development engineering including designing, developing, and deploying software solutions.
Experience building complex applications on Kubernetes including custom resource definitions (CRDs)
Experience with network rules, istio, and/or iptables
Experience with Agent Sandboxes and frameworks like Langchain, AWS AgentCore, and Google ADK
Solid foundation in distributed systems fundamentals, APIs, and data modeling.
Proficiency in one or more programming languages used for backend systems.
Experience building and shipping production services with testing and monitoring.
Working knowledge of security fundamentals, including authentication, authorization, and least-privilege concepts.
Ability to debug complex issues and deliver reliable fixes in production environments.
Strong written and verbal communication skills and effective team collaboration.

Responsibilities

Build backend services and runtime components for cell lifecycle and execution control.
Implement policy-aware data, context, tool, and model access pathways.
Contribute to interface development between runtime components and partner systems.
Write high-quality, testable code and participate in code and design reviews.
Develop telemetry and logging capabilities for traceability and operational insight.
Support production operations, performance tuning, and incident follow-through.
Collaborate closely with senior engineers and partner teams on roadmap delivery.