Senior Staff Software Eng. Data Platform

eBay is a global commerce leader that connects millions of buyers and sellers around the world. We are seeking a Senior MTS, Software Engineer to help shape the architecture and technical direction of eBay's Unified Feature Store, focusing on building distributed systems that enhance developer productivity and accelerate AI model delivery.

Responsibilities:

• Own the architecture, design, and development of large-scale distributed services that power eBay's next-generation AI and decisioning infrastructure
• Develop core platform services for stream processing, state management, feature serving, and distributed computation with strong guarantees around correctness, consistency, and low-latency
• Solve challenging distributed systems problems involving exactly-once processing, fault tolerance, scalability, online/offline consistency, and high-throughput data processing
• Build reusable platform frameworks, runtimes, and self-service tooling that simplify complex distributed workflows for thousands of engineers
• Drive technical decisions around scaling, reliability, consistency, partitioning, idempotency, fault isolation, and graceful degradation
• Improve observability, alerting, incident response, root-cause analysis, and operational readiness for critical platform services
• Lead capacity planning, performance tuning, and cost-efficiency efforts for high-throughput distributed systems
• Develop automation and tooling that reduce operational toil and improve deployment, debugging, and recovery workflows
• Partner with engineering and product stakeholders to translate broad platform requirements into durable technical solutions
• Lead design reviews, mentor engineers, and raise the technical bar for distributed systems engineering across the team
• Identify architectural debt, scaling bottlenecks, and reliability gaps, and drive pragmatic modernization efforts