Principal Engineer — Graph & API
Core
Architect and govern the API and graph abstraction layer to decouple client-facing servicing experiences from underlying systems during a full-scale System of Record modernization.
Role type
Principal Engineer (Graph & API Architecture)
Builds
Enterprise-wide API platform, schema federation patterns, and developer experience infrastructure for a mortgage servicing system.
Domain
Fintech / Mortgage Servicing / Distributed Systems
Deliverable
production ML models | product features | infrastructure
Required skills
API strategy, GraphQL, schema federation, REST, event-driven integration, TypeScript, AWS-native patterns, technical leadership, cross-organizational influence
Preferred skills
Abstraction layer design for system migrations, API governance at scale, AI-assisted tooling integration
Technologies
GraphQL, REST, TypeScript, AWS
Responsibilities
Define API and graph architecture strategy including schema design and versioning; Architect abstraction layers to insulate consumers from backend changes; Establish API design standards and developer contracts; Guide technology adoption across integration patterns; Build API platform tooling and documentation; Mentor engineers on graph and API craft; Represent API strategy in executive and architecture reviews
Seniority
Principal, cross-organizational technical leadership
