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Senior Software Engineer - Supply Core (Fullstack)

StubHub - Aliso Viejo, CA, United States - Hybrid - posted 2026-09-10

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Salary: USD 200,000 - 250,000 / annual

StubHub is seeking a Senior Software Engineer to design and develop next-generation technologies and complex features for the Supply Core team. The Supply team simplifies the lives of large-ticket sellers by making it effortless to onboard and manage inventory across the entire event lifecycle. You will help sellers reduce operational overhead and maximize revenue through intelligent automation, streamlined workflows, and fast, dependable experiences. The team designs and operates enterprise-grade, high-throughput systems that power core seller operations and handle large, dynamic datasets at scale, spanning multiple layers of the stack from robust back-end services to high-performance, user-focused interfaces. In this role, you will design, develop, test, deploy, and maintain impactful improvements that cross the frontend and backend code across all StubHub platforms and products. You will collaborate with team members to ensure best practices, manage individual initiative priorities and deadlines, and mentor other team members to increase their technical capabilities. You are expected to be equally focused on user needs and to exercise sound commercial judgment, not just technical judgment. You will serve as an advocate and mentor for your team members, demonstrating leadership qualities and setting an example for those around you. The role is hybrid, requiring 3 days in office and 2 days remote, with offices in Aliso Viejo, CA or San Francisco, CA. REQUIREMENTS: - 5-6+ years of professional experience in software development - 2+ years of in-depth experience with React and relevant toolsets/framework ecosystems - Extensive experience developing robust, mission-critical systems using multiple general-purpose programming languages (e.g., Java, C#) - Demonstrated expertise in building software with one or more of the following: Infrastructure, Databases, Data Processing, Machine Learning, Distributed Systems, Security, and Privacy - Previous experience designing and developing solutions to complex problems with significant business impact - Strong understanding of how systems interact with the broader production environment, including dependencies and platform primitives - Proven ability to learn other coding languages, platforms, frameworks, and tools - Experience owning projects from initial idea all the way to production - Experience mentoring junior engineers

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