Software Engineer 3 - Full Stack

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.

We are the engineering team within Customer Service Technology under eBay’s Global Technology Organization. The team owns eBay’s core knowledge and content management platform for customer service, powering capabilities such as HelpHub, CSKB, conversational help, in-flow help, email experiences, and other customer- and agent-facing surfaces that depend on accurate, governed content at scale. Our mission is to build a single-sourced, AI-powered content ecosystem that enables teams to create once and deliver everywhere. We focus on delivering fast, consistent, and trustworthy experiences across channels through scalable platform services, intuitive user interfaces, and seamless integrations.

As a Full Stack Developer on the team, you will work across frontend applications, backend services, APIs, and platform integrations to build reliable, high-performing solutions that improve both customer and internal experiences. You will collaborate closely with Product, Design, Content, Data, and platform teams to deliver modern, end-to-end applications with strong usability, performance, and maintainability.

• Translate product and business requirements into scalable technical designs and deliver clean, efficient, maintainable code across the full stack.

• Design, develop, test, and deploy full stack applications, including responsive user interfaces, backend services, and APIs.

• Build intuitive frontend experiences using modern web technologies while ensuring accessibility, usability, and performance.

• Develop and enhance backend systems, services, and integrations that support content delivery, workflow automation, and knowledge experiences at scale.

• Collaborate with cross-functional teams including Product, UX, Content, and Data to deliver end-to-end solutions aligned with business goals.

• Contribute to architecture discussions and help drive best practices for frontend and backend development, code quality, testing, and observability.

• Improve engineering productivity by identifying opportunities for better tooling, reusable components, and streamlined development workflows.

• Design for flexibility and scale by anticipating evolving requirements and creating extensible systems and UI patterns.

• Participate in code reviews, technical design reviews, release processes, and production support for business-critical applications.

• Support operational excellence through monitoring, debugging, incident response, and continuous improvement of application reliability and performance.

• 4+ years of software development experience with strong computer science fundamentals and problem-solving skills.

• Strong experience in full stack development, including backend services and modern frontend frameworks.

• Proficiency in Java and/or Python for backend development, with experience building scalable APIs and distributed services.

• Proficiency in JavaScript or TypeScript and experience with modern frontend frameworks such as React, Marko, or Node.js-based applications.

• Hands-on experience building responsive, user-friendly web applications with a strong understanding of frontend architecture, state management, and component-based design.

• Experience working with REST and/or GraphQL APIs and integrating frontend applications with backend services.

• Solid understanding of databases and data access patterns, including relational and NoSQL systems.

• Hands-on experience building or integrating AI-powered applications, including working with large language models, prompts, and evaluation/monitoring of AI features.

• Practical experience implementing or contributing to retrieval-augmented generation (RAG) workflows, such as designing retrieval pipelines, integrating vector or semantic search, and grounding LLM outputs in internal data and policies.

• Familiarity with CI/CD pipelines, Git, automated testing, and modern software engineering practices in an Agile environment.

• Experience building or integrating AI-powered features is a plus, including LLM-based workflows, API integrations, evaluation, monitoring, and guardrails.

• Experience using AI-assisted development tools to improve delivery speed and code quality is a plus.

Additional Details

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 status. If you have a need that requires accommodation, please contact us at [email protected]. We will make every effort to respond to your request for accommodation as soon as possible. View our accessibility statement to learn more about eBay's commitment to ensuring digital accessibility for people with disabilities.

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