Principal Full Stack Engineer - Agent 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 Platform team delivers a new AI focused experience for Workday customers, and most importantly their employees. We are at the forefront of Workday’s AI & Agentic initiatives with the objective to deliver and integrate Agentic capabilities across the entire Workday platform, including the widespread adoption and AI powered Assist features, rapid creation and deployment of Workday-native AI Agents, and the delivery of Workday’s Agent System of Record. Focus Area: Data Engineering & Trust Systems We are seeking to engineer the intelligent data backbone and verified trust systems that power Workday’s AI and Agents. This role will specifically be part of the Agent Trust and Inspection team, with responsibilities including Agent Safety Scanning, Attestation, Observability, and enhancing the Customer Experience for Agent Management. This is a unique opportunity at the intersection of Agent development, operation, security, and identity. Why Join the Agent Platform Team? The Data & Frontier: Tackle unique challenges in Agentic AI utilizing Workday’s exclusive, high-integrity enterprise datasets. Impact at Scale: Your contributions will act as the crucial optimizer and gatekeeper of quality for products that reach 31 million global users. People-First Culture: We cultivate a culture that balances high-intensity innovation with a strong commitment to sustainable work-life integration. Who We're Looking For: We are looking for creative, results-oriented, and collaborative Full-Stack Engineers to help build and scale the next generation of our Agentic system. About the Role As a Full Stack Engineer in the Agent Trust and inspection team, you’ll help build the user-facing and platform experiences that increase trust AI agents .Working within a small, cross-functional pod, you’ll design and ship full stack solutions—from intuitive front-end experiences to resilient backend services that integrate AI-driven capabilities deeply into HR and Finance workflows. This role is about turning powerful technology into products people actually use: scalable, reliable systems that simplify complex business processes for customers around the world. You’ll collaborate closely with machine learning engineers, product managers, security partners and platform teams, owning features end to end and seeing your work run in production. If you enjoy building real products, solving meaningful problems, and working with people who care about quality and craft, you’ll feel right at home here.

Requirements

12+ years of experience in software engineering or experience and equivalent educational background
5+ years experience writing performant backend services(Java Spring boot/GO/Python/any modern OOP language )
5+ years of experience with React and Typescript for Front End / Full stack development
Experience designing full stack application end to end
Experience with identity federation and standards like OAuth2, OIDC, or DIDs (Decentralized Identifiers)
Bachelor's degree in a computer related field or equivalent work experience

Nice To Haves

Familiarity with agentic coding tools such as Claude Code or Cursor
Experience building and operating products in cloud environments (AWS preferred/GCP/Azure)
Familiarity with cryptographic libraries for implementing digital signatures and attestation verification
Knowledge of software development best practices (DevOps, CI/CD, automated testing, observability)
Hands-on experience with containerization technologies (Docker, Kubernetes)
Proven success working within fast-paced, agile environments and cross-functional teams
Strong communication skills, with the ability to collaborate with both technical and non-technical partners

Responsibilities

Build and deliver full stack features that power AI agents security
Own services and experiences from development through production—you build it, you run it
Collaborate in an iterative, team-first environment that values strong engineering practices and continuous learning
Share knowledge, mentor teammates, and help raise the technical bar across the pod