At eBay, we're more than a global ecommerce leader — we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We’re committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts. Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work — every day. We're in this together, sustaining the future of our customers, our company, and our planet. Join a team of passionate thinkers, innovators, and dreamers — and help us connect people and build communities to create economic opportunity for all. About the team and the role: eBay, Inc. seeks MTS 1, Software Engineer in San Jose, CA What you will accomplish: Job Duties: Architect and develop Vector Search Infrastructure specifically VectorDB. Lead the architecture and development of eBay’s vector search infrastructure, utilizing extensive expertise in distributed storage, database internals, and large-scale computing. Evaluate complex system challenges, make important architectural decisions, and ensure that implementations meet both business and technical objectives. Implement eBay’s real-time vector search solution, improving the existing patent-pending design with focus on performance optimization, query efficiency, and real-time indexing. Utilizing knowledge in distributed computing, storage, and cloud-native architectures to enhance retrieval accuracy while minimizing search latencies for large-scale workloads. Mentor engineers at varying experience levels, providing guidance on best practices for distributed system design, indexing strategies, and large-scale data management. Ensure successful adoption of vector search technology and collaborate with internal engineering teams, AI/ML teams, and customer-facing groups to refine system configurations and enhance search efficiency based on real-world workloads. Telecommuting permitted – work may be performed from anywhere in the US.