Principal API Architect/Engineer – API Platform (Python/Typescript)
Core
Define and evolve the API architecture, standards, and governance model for Product Engineering to support agentic AI use cases and high-quality integrations.
Role type
Principal API Architect (Strategy & Standards)
Builds
Agent-ready APIs, orchestration patterns, and data-centric APIs for Workday's Product Engineering teams.
Domain
Enterprise SaaS, API Platform, Agentic AI
Deliverable
production ML models | product features | infrastructure
Required skills
Large-scale backend systems architecture, API governance & standards definition, Distributed systems design, Cloud architecture, TypeScript/Python, REST/GraphQL/SOAP, Edge/gateway patterns, Observability (SLOs), AI-assisted code generation
Preferred skills
MCP protocol, Contract testing, Data Cloud/SQL projections, Building communities of practice
Technologies
OpenAPI, TypeScript, Python, REST, GraphQL, SOAP, JSON, XML, WSDL, Swagger, Data Cloud, MCP
Responsibilities
Define API architecture and governance model, Establish API standards (naming, auth, error handling, versioning), Partner with leaders to shape API roadmaps, Lead cross-team design reviews, Evaluate build/borrow/buy options for API tooling, Mentor senior engineers on API architecture
Seniority
Principal, strategy & mentorship