Software Development Engineer III Sr. Software Development Engineer AI Platform
Job Location:
Boulder, CO - USA
Monthly Salary:
Posted on:
Vacancies:
Job Summary
Your work days are brighter here.
Were 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 were shaping the future of work so teams can reach their potential and focus on what matters most. The minute you join youll 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. Were 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 youre building smarter solutions supporting customers or creating a space where everyone belongs youll do meaningful work with Workmates whove got your return well 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 youve found a match in Workday and we hope to be a match for you too.
About the Team
The Agent Runtime team builds Workdays secure execution platform for enterprise AI agents. We are creating the runtime substrate that enforces policy by architecture not by prompt with deterministic controls for data access tool use model routing and auditability.Our charter spans runtime isolation policy enforcement boundaries model mediation and observability at scale. We partner closely with other engineering and platform teams at Workday to deliver a multi-language enterprise-grade agent runtime.
About the Role
As a Senior Software Development Engineer you will design and build core runtime capabilities for policy-governed agent execution. You will own high-impact technical areas across sandbox execution sidecar interfaces enforcement flows and production reliability.
In this role you will:
Design and implement core runtime services for secure isolated agent execution.
Build deterministic enforcement pathways for data context tool and model boundaries.
Define and evolve service interfaces and contracts across maincar and sidecar components.
Improve performance scalability and resilience for high-concurrency workloads.
Build deep observability into runtime behavior policy decisions and audit traces.
Partner with cross-functional teams to integrate data prep context assembly tool gating and model mediation.
Participate in architecture reviews incident response and operational hardening.
Mentor engineers and help raise engineering quality across the team.
As a Software Development Engineer III on the Agent Runtime team 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.
About You
Sr. Software Development Engineer
Basic Qualification
8 years experience in software development engineering architecting building and scaling robust and efficient software systems.
6 years of software engineering experience building backend or platform systems.
Other Qualification
Strong experience with distributed systems APIs and service-oriented architecture.
Experience building secure systems with least-privilege patterns and policy controls.
Proficiency in at least one systems or backend language (for example Java Go Rust or Python).
Experience operating production services with strong reliability and observability practices.
Demonstrated ownership of complex technical projects from design through production.
Strong collaboration and communication skills in cross-functional environments.
Software Development Engineer III
Basic Qualification
5 years experience in software development engineering including designing developing and deploying software solutions.
3 years of software engineering experience in backend or platform development.
Other Qualification
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.
Workday Pay Transparency Statement
The annualized base salary ranges for the primary location and any additional locations are listed below. Workday pay ranges vary based on work location. As a part of the total compensation package this role may be eligible for the Workday Bonus Plan or a role-specific commission/bonus as well as annual refresh stock grants. Recruiters can share more detail during the hiring process. Each candidates compensation offer will be based on multiple factors including but not limited to geography experience skills job duties and business need among other things. For more information regarding Workdays comprehensive benefits please click here.
Primary Location:Additional Considerations:
The application deadline for this role is the same as the posting end date stated as below:
Our Approach to Flexible Work
With Flex Work were combining the best of both worlds: in-person time and remote. Our approach enables our teams to deepen connections maintain a strong community and do their best work. We know that flexibility can take shape in many ways so rather than a number of required days in-office each week we simply spend at least half (50%) of our time each quarter in the office or in the field with our customers prospects and partners (depending on role). This means youll have the freedom to create a flexible schedule that caters to your business team and personal needs while being intentional to make the most of time spent together. Those in our remote home office roles also have the opportunity to come together in our offices for important moments that matter.
Pursuant to applicable Fair Chance law Workday will consider for employment qualified applicants with arrest and conviction records.
Workday is an Equal Opportunity Employer including individuals with disabilities and protected veterans.
At Workday we are committed to providing an accessible and inclusive hiring experience where all candidates can fully demonstrate their skills. If you require assistance or an accommodation at any point please email .
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Required Experience:
Senior IC
About Company
Seamlessly manage your people, money, and agents on an open, unified platform with AI at the core. It’s a new work day.
