Senior Software Engineer - Cloud DBs

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. 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 role: Our NuData team at eBay brings together like-minded engineers who are pushing boundaries to build the next-generation database platforms for eBay. We are seeking a Senior Software Engineer that builds and runs petabyte scale data platforms that power large scale database infrastructure. This position will have the opportunity to architect, build and operate the next generation distributed database platform that powers some of the most critical systems powering eBay’s global ecommerce business. You will be responsible for scaling eBay’s core data infrastructure by working closely with other engineers, customers, business partners, and product managers. What you will accomplish:  Take end-to-end ownership of core distributed components: drive architectural decisions, implement core database internals (e.g., storage engines, consensus protocols), optimize for high concurrency, and ensure system reliability through rigorous testing, observability, and production-level debugging. As a self-motivated and enthusiastic technical engineer, you will collaborate with extremely inquisitive and proficient peers, leading and designing data infrastructure using your strong background in distributed systems, storage and large-scale database systems working with the latest open-source technologies where relevant You will work in an agile environment with a focus on problem solving and engineering precision. As a technical leader you are expected to assess technology problems, design optimal solutions and drive implementation to meet the business expectations As a senior engineer, you will guide juniors in your team and also across other cloud teams in building scalable, high speed, distributed systems and advocate for meeting the design and quality standards Work with a team of passionate engineers from concept to completion of a feature or a prototype/proof of concept or benchmark,  going from brainstorming sessions to converging on a design and ultimately building features and deploying them to production and supporting them Design and implement differentiated features in a fast-pace environment with focus on scalability, performance, geo distribution, and availability and with steadfast focus on quality and automation, employing AI tools wherever possible What you will bring: Bachelor’s degree in Computer Science plus 8+ years of experience or MS in Computer Science plus 6+ years of hands-on experience in building large-scale distributed systems Core Technical Skills Key skills: C++, Java, Python,