Senior Software Engineer - Customer

StubHub is on a mission to redefine the live event experience on a global scale. Whether someone is looking to attend their first event or their hundredth, we're here to delight them all the way from the moment they start looking for a ticket until they step through the gate. The same goes for our sellers. From fans selling a single ticket to the promoters of a worldwide stadium tour, we want StubHub to be the safest, most convenient way to offer a ticket to the millions of fans who browse our platform around the world. StubHub is committed to providing secure and seamless experiences for our customers. The Customer Engineering team here at StubHub plays a critical role in ensuring the safety of our users by maintaining and enhancing our authentication and authorization services through security best practices and first-class software engineering. This role will be based in either our New York, NY, or Los Angeles, CA, or Aliso Viejo, CA office and has a hybrid (3 in-person days per week) work schedule. Responsibilities: Design, build, and maintain scalable authentication and authorization services. Implement security features to protect against common vulnerabilities (e.g., OWASP top 10). Collaborate with data science teams to integrate machine learning models aimed at identifying and preventing suspicious login activity. Monitor and improve the performance of authentication-related services. Investigate and troubleshoot issues related to account security, user activity, and authentication failures. Drive improvements in security protocols, performance optimization, and user experience. Keep up to date with the latest security and management trends and apply that knowledge to your work. Required Skills and Qualifications: 5+ years of experience in software engineering, ideally with a focus on authentication, authorization, and services. Proficiency in backend development using Java, C#, or Python. Experience working with security protocols such as OAuth, SAML, OpenID Connect, and WebAuthN. Familiarity with building and maintaining scalable, distributed systems. Experience working with databases, both relational (e.g., MSSQL, MySQL, PostgreSQL) and NoSQL (e.g., DynamoDB, Cassandra). Understanding foundational concepts of machine learning (Supervised / Unsupervised) and the ability to collaborate with data scientists on implementations. World-class problem-solving skills and the ability to think critically about security, reliability, and performance. Skills and Qualifications: Working knowledge of cloud platforms (AWS, GCP, Azure), with hands-on experience building and owning cloud-optimized services. Expertise with containerization and hosting technologies (e.g., Docker, Kubernetes). Familiarity with monitoring and alerting tools such as Prometheus / Grafana. Previous experience leveraging Machine Learning to augment authentication services to identify fraudulent or anonymous logins. What We Offer: Accelerated Growth Environment: An environment designed for swift skill and knowledge enhancement, with the autonomy to lead experiments and tests on a large scale. Top Tier Compensation Package: Rewards including enticing stock incentives, recognizing and valuing your contributions. Flexible Time Off: Unlimited Flex Time Off to manage your schedule and recharge. Comprehensive Benefits Package: Including 401k, premium Health, Vision, and Dental Insurance options. Team-Building Events: Vibrant events fostering camaraderie and collaboration, supporting your professional and personal growth. The anticipated gross base pay range is $200,000-$275,000 USD. Actual compensation will vary based on qualifications, skills, experience, and competencies. This salary is part of StubHub's total compensation package, which includes equity, 401(k), paid time off, paid parental leave, and comprehensive health benefits. About Us: StubHub is the world's leading marketplace to buy and sell tickets to any live event, anywhere. Serving customers in 195 countries in 33 and 49 currencies through North America and viagogo, respectively, we offer more than 300 million tickets annually for events worldwide-from sports to music, comedy to dance, festivals to theater. Join us for a front-row seat to the action. For California: California Job Applicant Privacy Notice found here. We are an equal opportunity employer and value diversity on our team. We do not discriminate based on race, color, religion, sex, sexual orientation, gender identity, age, veteran status, or any other legally protected status. #J-18808-Ljbffr