Senior API Architect: Design & Governance

eBay Inc.; Toronto; On-site; CAD 180,000 - 240,000; Full time

Job summary

eBay Inc. is seeking a Staff Engineer, API Design & Governance to shape architecture and API contracts across REST, GraphQL, and RPC.

You will lead high‑impact initiatives, collaborate with Product, UX, Data, and Engineering, and raise the bar for design, implementation quality, and operational excellence. We are looking for a hands‑on technical leader with 10+ years of experience in building scalable systems, strong background in modern backend languages, and proven ability to drive API design

Qualifications

• 10+ years of software engineering experience with distributed, high‑traffic systems.
• Strong proficiency in backend languages such as Java, Python, or Kotlin.

Responsibilities

• Design and deliver scalable, high‑performance APIs and services across REST, GraphQL, and RPC.
• Define governance standards for API design, versioning, observability, and contracts.
• Lead architecture reviews and mentor teams to raise design quality and reliability.
• Identify bottlenecks and drive improvements for performance and operability.

Skills

API design

Distributed systems

Java/Python/Kotlin

GraphQL

REST

RPC

SOLID principles

Code reviews

Mentoring

Agile

Tools

GraphQL tooling

REST tooling

Job description

eBay Inc. is seeking a Staff Engineer, API Design & Governance to shape architecture and API contracts across REST, GraphQL, and RPC.

You will lead high‑impact initiatives, collaborate with Product, UX, Data, and Engineering, and raise the bar for design, implementation quality, and operational excellence. We are looking for a hands‑on technical leader with 10+ years of experience in building scalable systems, strong background in modern backend languages, and proven ability to drive API design