Sr. Frontend/Fullstack Software Engineer

This role is for an engineer with a primarily frontend focus who will own critical internal tools and workflow management experiences within the ads ecosystem. You will lead development of ads creative components, build systems that support the ads serving process, and deliver intuitive, high-quality user experiences for internal users and partner teams. You will work closely with product managers, designers, backend engineers, and cross-functional partners to deliver reliable, end-to-end solutions., * Build and evolve frontend applications and internal tools that improve the efficiency, reliability, and visibility of ads workflows

• Deliver intuitive, accessible, and high-performing user experiences for internal users and partner teams
• Develop and maintain reusable UI components, shared libraries, and scalable frontend patterns to improve developer efficiency
• Design and implement ads creative management and workflow systems that support the ads serving process
• Partner with product and design to translate operational needs into polished, end-to-end product experiences
• Contribute to backend services and APIs that support frontend applications, integrations, and workflow functionality
• Collaborate across teams to deliver iterative improvements while maintaining high standards for performance, accessibility, quality, and security

Do you have experience in TypeScript?, * Experience building modern frontend applications using JavaScript or TypeScript, HTML5, and CSS3

• Experience with frameworks such as React and common state management approaches
• Experience creating reusable component libraries and design-system-aligned interfaces
• Understanding of frontend performance, accessibility, web security, and responsive design principles
• Experience with Node.js and integrating frontend applications with APIs or backend services
• Working knowledge of backend technologies such as Java or Scala and RESTful API design
• Familiarity with testing practices, version control, CI/CD workflows, and collaborative development environments

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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: The Advertising team is reinventing advertising at eBay by building ad-tech solutions that improve monetization while creating useful experiences for sellers and buyers. The team focuses on modern, scalable products and internal tools that support advertising systems and enable efficient, high-quality ad experiences.