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 a secure and seamless experiences for our customers. As a Senior Software Engineer on the Customer Engineering team, you will work on improving and maintaining the core systems that authenticate and authorize users across our platforms. You will also collaborate with data scientists and other engineering teams to build and implement advanced detections to identifyty and prevent Auth-N / Auth-Z abuse. You'll have the opportunity to work with cutting-edge security protocols, contribute to improving the reliability and performance of our services, and help ensure that our customers' accounts remain secure. Location: Hybrid (3 days in office/2 days remote) – New York, NY or Santa Monica, CA or Aliso Viejo, CA About the team: StubHub's Customer Engineering team plays a critical role in ensuring the safety of our users by maintaining and enhancing our authentication and authorization services through the use of security best-practices and first-class software engineering

What You'll Do:

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 -related services.

Investigate and troubleshoot issues related to account security, user , 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.

What You've Done:

5+ years of experience in software engineering, ideally with a focus on authentication, authorization, and services.

Proficiency in backend development using such as 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.

Worldclass 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), hands-on experience building and owning a cloud optimized service.

Expert experience 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/ anonymous logins.

What We Offer:

Accelerated Growth Environment: Immerse yourself in an environment designed for swift skill and knowledge enhancement, where you have the autonomy to lead experiments and tests on a massive scale.

Top Tier Compensation Package: Enjoy a rewarding compensation package that includes enticing stock incentives, aligning with our commitment to recognizing and valuing your contributions.

Flexible Time Off: Embrace a healthy work-life balance with unlimited Flex Time Off, providing you the flexibility to manage your schedule and recharge as needed.

Comprehensive Benefits Package: Prioritize your well-being with a comprehensive benefits package, featuring 401k, and premium Health, Vision, and Dental Insurance options.

The anticipated gross base pay range is below for this role. Actual compensation will vary depending on factors such as a candidate's qualifications, skills, experience, and competencies. Base annual salary is one component of StubHub's total compensation and competitive benefits package, which includes equity, 401(k), paid time off, paid parental leave, and comprehensive health benefits.

Salary Range$200,000—$275,000 USD About Us StubHub is the world's leading marketplace to buy and sell tickets to any live event, anywhere. Through StubHub in North America and viagogo, our international platform, we service customers in 195 countries in 33 and 49 available currencies. With more than 300 million tickets available annually on our platform to events around the world -- from sports to music, comedy to dance, festivals to theater -- StubHub offers the safest, most convenient way to buy or sell tickets to the most memorable live experiences. Come join our team 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 on our team. We do not discriminate on the basis of , , , , , , orientation, , , veteran status, or any other legally protected status.