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Software Engineer 3

Toronto💼 Full-time💰 $118,000–$118,000🗓 2026-08-11 → 2026-10-06

Core

Design and implement Federated GraphQL platforms to streamline product integration and API contracts for eBay's global ecommerce ecosystem.

Role type

Senior IC backend engineer (GraphQL Federation)

Builds

Unified GraphQL federation architecture and high-throughput production APIs

Domain

Ecommerce, Distributed Systems, API Design

Deliverable

production ML models | product features

Required skills

Federated GraphQL, Apollo Federation, Spring Boot, Node.js, Object-oriented design, Large-scale application development, Kubernetes, Docker, CI/CD, Service discovery, Distributed tracing

Preferred skills

Java, Kotlin, C#, C++, JavaScript, Developer Experience (DevEx), Internal platform development

Responsibilities

Provide leadership for Node.js/Spring Boot/DGS GraphQL Federation design and implementation; Own highly critical production systems; Enable high availability and throughput; Collaborate with teams on foundational systems; Support product teams in GraphQL migration and schema design; Advocate for GraphQL adoption and best practices (via careerplan.io/jobs/R0075610-software-engineer-3-at-ebay)

Seniority

Senior, hands-on IC