Backend Engineer (CoreAI)

At eBay were more than a global ecommerce leader were changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. Were 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. Were 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.

CoreAI at eBay builds and operates large-scale AI systems that power experiences for hundreds of millions of users globally. We develop end-to-end AI platforms and servicesfrom data pipelines and model training to real-time inference and evaluationenabling product teams across eBay to deliver smarter faster and safer experiences. You will be at the cutting edge of the AI revolution working with state-of-the-art technologies and shipping production systems at massive scale. The position is a hybrid role requiring 3 days per week in the office.

What you will accomplish:

• Design build and operate backend services for AI/ML systems including data ingestion feature stores model training pipelines and low-latency inference services.

• Own production-grade APIs and microservices that integrate AI capabilities into eBay products and marketplaces.

• Implement scalable cost-efficient and reliable distributed systems (e.g. streaming batch processing autoscaling service orchestration).

• Collaborate with ML researchers and product engineers to translate models into robust secure and maintainable production services.

• Optimize performance for high throughput and low latency; monitor observe and continuously improve system reliability (SLOs alerting on-call).

• Contribute to architecture decisions documentation and engineering standards across CoreAI.

What you will bring:

• Strong backend engineering experience building distributed systems and APIs in production.

• Proficiency in Java Python and Kotlin programming languages

• Experience with cloud infrastructure and container orchestration (e.g. AWS/GCP/Azure Kubernetes).

• Experience deploying and operating ML services (batch and real-time) model serving frameworks and feature stores is a plus.

• Solid understanding of system design networking performance optimization and observability (metrics logs traces).

• Knowledge of ML fundamentals and MLOps practices (versioning CI/CD for models A/B testing evaluation) is a plus; curiosity and willingness to learn are essential.

Please see the Talent Privacy Noticefor information regarding how eBay handles your personal data collected when you use the eBay Careers website or apply for a job with eBay.

eBay is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race color religion national origin sex sexual orientation gender identity veteran status and disability or other legally protected you have a need that requires accommodation please contact us at. We will make every effort to respond to your request for accommodation as soon as possible. View our accessibility statement to learn more about eBays commitment to ensuring digital accessibility for people with disabilities.

The eBay Jobs website uses cookies to enhance your experience. By continuing to browse the site you agree to our use of cookies. Visit our Privacy Center for more information.