MTS 2, Backend Software Engineer

Job Responsibilities:

• Design and build innovative advertising, marketing platform features that help eBay sellers, advertisers grow their business and help eBay become the dominant eCommerce platform.
• Develop scalable, highly available applications, APIs, and services using technologies such as Marko, React, Node.js, Java, and Scala.
• Own end-to-end delivery of complex features, from technical design and architecture through deployment and production support.
• Drive technical decisions, system design, and cross-team collaboration to ensure scalable, reliable, and maintainable solutions.
• Leverage AI-assisted development tools (e.g., GitHub Copilot, Claude Code) throughout the development lifecycle for coding, debugging, testing, and code review to increase engineering velocity.
• Contribute to AI-powered advertising and marketing features by collaborating with ML engineers on LLM integrations, recommendation systems, and intelligent campaign optimization.
• Contribute to a culture of continuous learning, Agile development, open-source collaboration, and rapid software delivery.
• Mentor team members, participate in technical discussions, and help shape engineering best practices across the organization.

Job Requirements:

• BS/BA in Computer Science or related field plus 10+ years work experience or MS with 8+ years of relevant experience.
• Strong experience in Java (17+) and building services with Spring Boot or similar frameworks.
• Experience building scalable backend systems and RESTful APIs in distributed environments.
• Experience with event-driven architectures and message queues (Kafka, RabbitMQ, or similar).
• Experience with relational (Oracle/Postgres/MySQL) and/or NoSQL (Cassandra/MongoDB) databases, including schema design and query optimization.
• Familiar with Big Data stack (Hadoop, Spark, Flink etc).
• Proven ability to own end-to-end system design: writing technical design documents, leading design reviews, and making architectural decisions for multi-service features.
• Experience designing scalable distributed systems with a track record of evaluating trade-offs. (consistency, availability, latency, cost) and driving technical alignment across teams.
• Experience with AI-assisted development practices and tools to increase engineering productivity (e.g., GitHub Copilot, Cursor, Claude Code, or equivalent).
• Experience building or integrating LLM-powered features, agentic workflows, or AI-driven automation in production systems is a plus.
• Strong ownership mentality with ability to drive work end-to-end in a collaborative environment.
• Exposure to GraphQL and experience in building Federated GraphQL APIs is highly desirable.
• Experience on contributing to open-source is a plus.
• Benefits are an essential part of your total compensation for the work you do every day. Whether you’re single, in a growing family, or nearing retirement, eBay offers a variety of comprehensive and competitive benefit programs to meet your needs. Including maternal & paternal leave, paid sabbatical, and plans to help ensure your financial security today and in the years ahead because we know feeling financially secure during your working years and through retirement is important.
• Here at eBay, we love creating opportunities for others by connecting people from widely diverse backgrounds, perspectives, and geographies. So, being diverse and inclusive isn’t just something we strive for, it is who we are, and part of what we do each and every single day. We want to ensure that as an employee, you feel eBay is a place where, no matter who you are, you feel safe, included, and that you have the opportunity to bring your unique self to work. To learn about eBay’s Diversity & Inclusion click here: https://www.ebayinc.com/our-company/diversity-inclusion/
• We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

Additional Details