Principal API Architect, Product Engineering – Agent‑Ready APIs
Core
Define and evolve API architecture, standards, and governance for Product Engineering to enable agent-ready, high-quality APIs and scalable backend services.
Role type
Principal API Architect (Strategy & Hands-on IC)
Builds
Agent-ready APIs, scalable backend services, and durable product contracts for Workday's product ecosystem.
Domain
Enterprise SaaS, AI/Agentic workflows, Distributed Systems
Deliverable
production ML models | product features | infrastructure
Required skills
API architecture design, Domain modeling, Object-oriented design, Distributed systems, Cloud architecture, API governance, Observability, Cross-team leadership
Preferred skills
Agentic AI patterns, Data platform integration, Build/borrow/buy strategy, Contract testing, Mentorship
Technologies
Java, TypeScript, Python, REST, GraphQL, SOAP, OpenAPI, Swagger
Responsibilities
Define API architecture and governance model; Partner with leaders to shape operating model and intake processes; Translate product requirements into scalable services; Establish API standards (versioning, auth, error handling); Lead cross-team design reviews; Mentor senior engineers on architecture and integration.
Seniority
Principal, strategy & mentorship