Senior Backend Engineer - SE3
Core
Build and operate scalable, low-latency backend systems for eBay's next-generation real-time auctions platform.
Role type
Senior Backend Engineer (Distributed Systems)
Builds
Real-time, highly available backend system powering eBay Live Auctions and traditional auction experiences
Domain
E-commerce / Distributed Systems
Deliverable
production ML models | product features | infrastructure
Required skills
Java, Spring/Spring Boot, REST/GraphQL APIs, messaging systems, SQL/NoSQL data stores, distributed systems architecture, production operations, system design, automation, observability
Preferred skills
GraphQL, event-driven systems, stateful platforms, real-time systems, AI-assisted engineering practices
Technologies
Java, Spring Boot, GraphQL, REST, messaging systems, SQL, NoSQL
Responsibilities
Build and operate scalable, low-latency backend systems; Own features and services end to end from design through launch; Turn ambiguous product problems into reliable technical solutions; Collaborate across engineering, product, design, and analytics; Improve team velocity through architecture, testing, and automation; Raise engineering bar through code reviews, documentation, and mentoring
Seniority
Senior, hands-on IC