Senior Software Engineer, Secure Enterprise AI Agent Runtime

Workday; Boulder (CO); On-site; USD 140,000 - 200,000; Full time

Job summary

Workday is seeking a Senior Software Development Engineer to design and build core runtime capabilities for policy-governed agent execution. You will own high-impact areas across sandbox execution, sidecar interfaces, and enforcement flows, driving performance and reliability in a multi-language enterprise platform.

You will mentor engineers, contribute to architecture reviews, and partner with cross-functional teams to deliver secure, observable runtime services at scale.

Qualifications

• 8+ years of software development experience across architecting, building, and scaling systems.
• 6+ years building backend or platform systems with production reliability.
• Strong experience with distributed systems, APIs, and service-oriented architecture.
• Experience operating production services with reliability and observability practices.
• Proven ownership of complex technical projects from design through production.

Responsibilities

• Design and implement core runtime services for secure, isolated agent execution.
• Build deterministic enforcement pathways for data, context, tool, and model boundaries.
• Mentor engineers and help raise engineering quality across the team.
• Participate in architecture reviews, incident response, and operational hardening.
• Collaborate with cross-functional teams on roadmap delivery.

Skills

Backend languages (Java)

Go

Rust

Python

Job description

Workday is seeking a Senior Software Development Engineer to design and build core runtime capabilities for policy-governed agent execution. You will own high-impact areas across sandbox execution, sidecar interfaces, and enforcement flows, driving performance and reliability in a multi-language enterprise platform.

You will mentor engineers, contribute to architecture reviews, and partner with cross-functional teams to deliver secure, observable runtime services at scale.