Senior Validation Engineer

At StubHub, we are committed to transforming the global live event experience. Our goal is to provide an unparalleled ticketing journey for every fan, whether they are attending their first concert or their hundredth game. We strive to ensure that both fans and sellers find StubHub to be the most secure and user-friendly platform for ticket transactions.About the Team:The StubHub Cloud & Infrastructure Security Engineering team is looking for a Senior Security Software Engineer to bolster our security measures across cloud and infrastructure domains. The ideal candidate will have significant expertise in cloud security architecture, network security, and infrastructure automation, along with a solid understanding of container and operating system security.

At StubHub, we're dedicated to transforming the live event experience on a global stage. Whether you're attending your very first concert or you're a seasoned event-goer, we're committed to ensuring your journey is delightful—from the moment you begin searching for tickets to the instant you step through the venue gates. Our platform also serves sellers, from fans selling a single ticket to promoters of monumental stadium tours. We strive to make StubHub the most secure and user-friendly platform for millions of fans across the globe.Join the Edge Services team at StubHub as a Senior Software Security Engineer and play a pivotal role in shaping a robust global infrastructure that connects, secures, and engages millions of fans right at the edge. You will be tasked with developing cutting-edge CDN architecture, implementing advanced bot mitigation strategies, and creating real-time fraud defenses. Collaborate with elite security and platform teams to innovate at an unprecedented scale. This is an exceptional opportunity to build resilient, high-performance systems that power one of the world's largest live event marketplaces.

Join PlayStation as a Senior Performance & Tooling Engineer, where you will be at the forefront of designing and building sophisticated performance testing and monitoring tools. This critical role will empower development teams to measure, enhance, and scale system performance across Linux, CPU, DPU, and PCIe environments. You will tackle intricate, low-level engineering challenges that directly influence product performance and reliability, making a significant impact in the realm of gaming and technology.

StubHub is dedicated to revolutionizing the global live event experience. Whether it's a first-time attendee or a seasoned concert-goer, we strive to ensure a seamless ticketing journey from the initial search to the moment they enter the venue. Our platform is equally beneficial for sellers, from individual fans to promoters of large-scale tours, making StubHub the most reliable and user-friendly choice for millions of ticket buyers worldwide.StubHub is in search of talented Senior Software Engineers to innovate and implement advanced technologies and intricate features that will enhance how millions engage with live events across the globe. In this pivotal role, you will significantly influence the team’s commercial and product vision, balancing user-centric solutions with commercial acumen. As a Senior Software Engineer, your proactive approach and problem-solving passion will be crucial to our collective success. We foster an inclusive and dynamic workplace, and we expect you to act as a mentor and advocate for your colleagues, showcasing leadership and fostering a collaborative environment.

Role Overview StubHub connects fans and sellers to live events around the world. The platform supports everyone from individuals selling a single ticket to promoters managing major tours. StubHub’s mission is to make buying and selling tickets safe and convenient for millions of users. Every interaction, from searching for a ticket to entering the venue, aims to feel seamless and secure. What You Will Do Senior Software Engineers at StubHub design and build new technologies and features that shape how users discover and participate in live events. This role influences both commercial and product strategies, balancing user needs with business goals. Senior engineers take initiative, solve complex problems, and help set technical direction. Mentoring and leading team members is part of the job, with an emphasis on maintaining high standards and fostering an inclusive culture. Location and Work Arrangement This position is hybrid: three days a week in the office and two days remote. Work from Aliso Viejo, CA or Century City, CA. About the Supply Platform Team The Supply Platform team manages the flow of seller ticket inventory into and out of StubHub. The team focuses on automation and user-friendly APIs to keep operations efficient and costs down. Responsibilities include maintaining accurate ticket listings, preventing fraud, and meeting legal requirements across different countries. The team is committed to meeting Service Level Agreements (SLAs) at any inventory volume.

At StubHub, we are dedicated to transforming the live event experience for fans and sellers alike on a global scale. Whether it's their first event or their hundredth, we aim to enhance every step from ticket purchase to gate entry. Our goal is to provide a secure and convenient platform for fans and sellers, from individual ticket sellers to organizers of major tours.We are looking for talented Senior Software Engineers to join our innovative team at StubHub. In this role, you will play a pivotal part in revolutionizing how millions of users engage with live events worldwide. You will be responsible for designing and implementing cutting-edge technologies and sophisticated features that address complex challenges. As a Senior Software Engineer, you will lead by example, mentoring team members and demonstrating proactive problem-solving skills.Location: Hybrid (3 days in office, 2 days remote) – Century City, CA or Aliso Viejo, CAAbout the Team:The Audience Intelligence team is comprised of data-driven engineers and machine learning specialists focused on creating a unified identity graph. Our mission is to provide every team at StubHub with a comprehensive view of each fan in near-real time, allowing decisions to be data-driven rather than instinctual. We are dedicated to transforming fragmented user data into actionable insights that enhance personalization and improve user experience.Join us as we build robust pipelines and identity resolution mechanisms that consolidate user data across platforms, ensuring accuracy and reliability for marketing and engagement strategies.

At StubHub, we are committed to transforming the live event experience globally. Whether it's someone attending their first concert or their hundredth sporting event, our goal is to provide exceptional support from the ticket search to the moment they enter the venue. We extend this same dedication to our sellers, whether fans selling a single ticket or promoters managing a global tour. We aim to make StubHub the safest and most convenient platform for millions of ticket buyers and sellers around the world.Join Us!We are looking for an exceptional Senior Software Engineer to become part of our Platform Runtime team. In this influential role, you will be integral in designing, developing, and sustaining a comprehensive suite of SDKs, services, shared packages, and tools that enhance productivity across our engineering teams.About the TeamThe Platform Runtime team is dedicated to creating a user-friendly, high-performance runtime environment that supports a multitude of services at StubHub. We focus on implementing best practices to address essential engineering challenges like configuration management, connectivity, caching, and messaging.Location: Hybrid (3 days in office/2 days remote) – New York, NY or Century City, CA or Aliso Viejo, CAYour Responsibilities:Design and develop SDKs, services, shared packages, and tools to boost engineering efficiency and productivity.Create an intuitive cross-language performant runtime environment serving business and customer-facing services.Architect and implement high-performance, scalable services actively used by internal customers.Act as a subject matter expert (SME) in distributed caching and messaging, demonstrating a deep understanding of relevant design patterns.Work closely with engineering teams to identify technical inefficiencies and propose scalable engineering solutions.Lead initiatives aimed at enhancing performance and scalability across our platform.Promote best practices in software development to uphold high standards of quality and efficiency.

At StubHub, our mission is to revolutionize the live event experience on a global scale. Whether a fan is seeking their first event or their hundredth, we are dedicated to providing an exceptional experience from the moment they begin their ticket search until they enter the venue. This commitment extends to our sellers as well, from individual fans selling a ticket to promoters of large-scale events. We aim to make StubHub the safest and most convenient platform for millions of fans worldwide.We are looking for Senior Software Engineers to design and develop innovative technologies and complex features that enhance how millions of users engage with and participate in live events globally. As a key member of our team, you will play an essential role in shaping our commercial and product strategy, balancing user needs with sound commercial judgment. Initiative and enthusiasm in problem-solving are critical attributes for this position. We take pride in fostering a fantastic and inclusive workplace where you will also serve as a mentor and advocate for your team members, showcasing leadership qualities and setting a benchmark for excellence.Location: Hybrid (3 days in-office/2 days remote) – Aliso Viejo, CA or New York, NY or Seattle, WA

At StubHub, we are dedicated to transforming the live event experience for fans around the globe. From the moment someone begins their ticket search to when they enter the venue, our goal is to provide an exceptional journey. We also prioritize our sellers, ensuring that whether they're fans selling a single ticket or promoters of major events, they find StubHub to be the safest and most convenient platform to reach millions of ticket buyers.To revolutionize the way users engage with live events, we are on the lookout for a Senior Software Engineer to lead the development of innovative technologies and complex features. In this role, you will confront challenging and ambiguous problems, serving as a key innovator and contributor while crafting creative technical solutions. Your proactive approach and passion for problem-solving will be crucial to our success. Additionally, as a Senior Software Engineer, you will act as a mentor and advocate for your team, showcasing leadership qualities and setting a positive example for your peers.Location: Hybrid (3 days in office, 2 days remote)About the Team:The Direct Marketing Technology team is responsible for the systems and intelligence behind StubHub’s lifecycle marketing engine, which includes email, push notifications, and app alerts. We strive to create relevant, timely, and impactful interactions for fans to drive ongoing engagement. Our work merges data science, personalization, marketing technology, and software engineering to craft messages that cut through the digital noise and deliver real value. Our solutions are built on real-time targeting, decision-making for campaigns, and large-scale experimentation.

Why Join PlayStation?At PlayStation, we pride ourselves not only on being the ultimate destination for gaming but also as an outstanding workplace. As a recognized global leader in the entertainment industry, we are dedicated to delivering the PlayStation family of products and services, including PlayStation®5, PlayStation®4, PlayStation®VR, PlayStation®Plus, and award-winning titles from PlayStation Studios.We are committed to fostering an inclusive atmosphere that empowers our employees and celebrates diversity. We invite all individuals who share a passion for innovation, technology, and gaming to explore our open opportunities and become part of our expanding global team.The PlayStation brand operates under Sony Interactive Entertainment, a wholly-owned subsidiary of Sony Group Corporation.Senior Software Engineer – PlayStationLocation: Aliso Viejo, CAEmployment Type: Full-time; Hybrid (onsite 2–3 days/week)Help Shape the Future of PlayStation Experiences. We are in search of a Senior Software Engineer to design and develop high-performance services that enhance real-time experiences across console, web, and cloud platforms. If you thrive in a collaborative environment and enjoy tackling complex systems challenges, we want to hear from you!

StubHub connects fans with live events around the world, making it easy for buyers and sellers to exchange tickets securely and conveniently. From the first search to the moment fans step into the venue, the company focuses on creating smooth, enjoyable experiences for everyone involved. Role Overview The Senior Staff Software Engineer - Supply Platform will help shape how millions of people engage with live events. This role influences both commercial and product direction, balancing user needs with business goals. Expect to tackle complex problems, mentor peers, and set a high standard for technical and team leadership. Work Arrangement This is a hybrid role based in Aliso Viejo, CA or Century City, CA. The schedule is three days in the office and two days remote each week. About the Supply Platform Team The Supply Platform team manages seller ticket inventory on StubHub, focusing on automation and easy-to-use APIs to keep operations efficient. The team ensures ticket data stays accurate and meets all fraud prevention and legal requirements, so listing and selling tickets remains straightforward for users. Service level agreements are met no matter how large the inventory grows.

PlayStation, a division of Sony Interactive Entertainment and part of Sony Group Corporation, creates and supports the PlayStation lineup, including PlayStation®5, PlayStation®4, PlayStation®VR, PlayStation®Plus, and titles from PlayStation Studios. The company values inclusivity and welcomes those interested in technology and gaming. Role overview The Senior Service Reliability Engineer position is based in Aliso Viejo, CA, with a hybrid work arrangement. This role is part of the Gaming, Developer and Future Technology Group (GDFT), which leads cloud gaming initiatives. The team delivers console-quality gaming experiences across TVs, consoles, and mobile devices. What you will do Support and enhance the reliability of cloud gaming services, aiming for a high-quality player experience. Influence both design and operational choices to improve the stability of gaming platforms. Own production systems, focusing on code quality and deployment processes. Contribute to decision-making at various organizational levels. Monitor service status and provide feedback throughout the operational lifecycle to help maintain readiness and stability. Who thrives in this role Engineers who take initiative and contribute to technical and operational decisions. Collaborative individuals who offer constructive feedback on service operations. Those committed to service reliability and operational excellence.

Why Choose PlayStation?At PlayStation, we pride ourselves on being more than just the Best Place to Play — we are also the Best Place to Work. As a globally recognized leader in entertainment, we are responsible for the PlayStation family of products and services, including PlayStation®5, PlayStation®4, PlayStation®VR, PlayStation®Plus, and critically acclaimed titles from PlayStation Studios.We are committed to fostering an inclusive environment that empowers every employee and values diversity. We welcome individuals who are passionate and curious about innovation, technology, and play to explore our open positions and become part of our expanding global team.The PlayStation brand is a division of Sony Interactive Entertainment, a fully-owned subsidiary of Sony Group Corporation.Senior Platform Engineer (Storage)Sony Interactive EntertainmentJoin us at PlayStation as we lead the charge in cloud gaming and redefine what’s possible! If you have a passion for utilizing your skills in impactful projects that shape the future of gaming, we want to hear from you. We are looking for a Platform Engineer who has a proven track record in modern software delivery and enjoys creating efficient, flexible systems that manage workloads on a global scale. Help us deliver extraordinary gaming experiences to millions of players!Key ResponsibilitiesOversee, deploy, and maintain large-scale distributed Ceph storage solutions.Ensure high availability and performance of storage through troubleshooting, debugging support, and performance tuning.

About StubHub StubHub connects fans to live events around the world. From first-time concertgoers to seasoned attendees, the platform aims to make every ticket purchase and event entry smooth and secure. Sellers, whether individuals with a single ticket or large event promoters, use StubHub to reach millions of fans globally. Role Overview The Software Engineer II - Supply Platform will join a team focused on building and maintaining systems that support StubHub's core marketplace. This role involves tackling complex technical challenges and developing features that serve a wide range of business needs. The position calls for engineers who enjoy problem-solving and can adapt as priorities shift. What You Will Do Design and build systems and services with an emphasis on maintainability and practical solutions Contribute to multiple projects that support different areas of the business Apply creativity and technical skill to solve challenging problems What We Look For Adaptability and a willingness to learn new skills Growth mindset and openness to feedback Enthusiasm for tackling new challenges across the organization Proactive approach to problem-solving Work Location This is a hybrid position based in Aliso Viejo, CA. Team members work onsite three days per week and remotely two days per week.

Join PlayStation, a global leader in entertainment, as a Senior Software Engineer specializing in DPU software and firmware development. In this pivotal role within our Gaming, Developer & Future Technology (GDFT) Group, you will innovate and enhance peer-to-peer PCIe communication to deliver console-quality gaming experiences on any device. Collaborate with a talented team to design groundbreaking technology that impacts millions of gamers worldwide.

Why Join PlayStation?At PlayStation, we pride ourselves on being the ultimate platform for gaming and creativity, while also being recognized as one of the best workplaces globally. Our innovative products, including the PlayStation®5, PlayStation®4, PlayStation®VR, and PlayStation®Plus, are at the forefront of entertainment, providing unparalleled experiences to our users.We are deeply committed to fostering an inclusive environment that values diversity and empowers our team members. If you share our passion for technology, gaming, and innovation, we invite you to explore our open positions and be part of our expanding global community.The PlayStation brand is part of Sony Interactive Entertainment, a wholly-owned subsidiary of Sony Group Corporation.Position Overview: Senior Hardware EngineerLocated in Aliso Viejo, CA, the Cloud Gaming Engineering and Infrastructure (CGEI) division at Sony Interactive Entertainment is at the forefront of the Cloud Gaming revolution, enabling console-quality gaming across various devices, including TVs, consoles, and mobile devices.Our Hardware & Systems Engineering team is seeking a Senior Hardware Engineer to join our dynamic group of hardware engineers specializing in custom scale-out computing solutions. The ideal candidate will provide technical leadership and collaborate effectively with team members and external partners.

At StubHub, we are on a transformative journey to redefine the live event experience worldwide. Our mission is to provide a seamless and delightful ticketing experience for both attendees and sellers alike. Whether it's a fan looking to attend their first event or a seasoned concert-goer, we ensure an unparalleled experience from the moment they start their ticket search until they enter the venue.We are looking for a talented Software Engineer II to join our dynamic Web Foundations team within the Consumer App Foundations (CAF) division. This team is responsible for creating and maintaining the foundational web platform that powers StubHub’s consumer-facing experiences across both web and mobile platforms.As a Full Stack Engineer, you will engage with both frontend and backend systems to develop reusable services, shared libraries, and essential platform capabilities that empower product teams to deliver faster and higher-quality solutions. Your contributions will directly impact core systems that support millions of users, ensuring they remain performant, reliable, and accessible for other engineers to build upon.This role is ideal for engineers who thrive in hands-on environments and are passionate about creating scalable systems, enhancing developer experiences, and tackling real-world challenges at marketplace scale.

At StubHub, we are committed to transforming the live event experience on a global scale. Whether it's a person's first event or their hundredth, our goal is to provide an enjoyable journey from ticket search to entry at the event. Likewise, for our sellers, from individual fans to promoters of major tours, StubHub aims to be the safest and most convenient platform for ticket transactions, serving millions of fans worldwide.We are looking for a passionate Software Engineer II to join our team, responsible for designing and implementing cutting-edge technologies and intricate features. As a key player at StubHub, you will confront significant and complex challenges, contributing innovative technical solutions. Our ideal candidates display a proactive attitude and a genuine enthusiasm for problem-solving. Throughout your career with us, you will engage in various projects that align with our business needs. Successful team members embody adaptability, a growth mindset, and eagerness to embrace new challenges across the organization. Location: Hybrid (3 days in office/2 days remote) – Aliso Viejo, CA About the Team: The Consumer Experience (CX) team is dedicated to delivering an exceptional product experience for fans eager to discover, purchase, and sell tickets for their favorite live events on our web and mobile platforms. We are at the forefront of fulfilling StubHub's mission to become the global hub for live event experiences, creating a product interaction that millions of fans rely on daily. We prioritize understanding our users' needs and strive to provide feature innovations that are effective and enjoyable. Our services cater to a global audience, ensuring a personalized experience in over 60 regions and 30 languages. We believe that diverse perspectives and transparent practices foster the best innovations, which is why our cross-functional team collaborates closely, bringing together specialists from product, design, engineering, and data, all contributing equally to ideation and insights.

Why PlayStation?At PlayStation, we believe in providing not only the best gaming experience but also a fulfilling workplace. Our reputation as a global leader in entertainment is backed by our innovative PlayStation products and services including PlayStation®5, PlayStation®4, PlayStation®VR, and PlayStation®Plus, alongside acclaimed titles from PlayStation Studios.We are committed to fostering an inclusive environment where diversity is embraced, and creativity is encouraged. If you have a passion for technology, gaming, and innovation, we invite you to explore our open positions and join our dynamic global team.The PlayStation brand is part of Sony Interactive Entertainment, a wholly-owned subsidiary of Sony Group Corporation.About the Role Join our Gaming, Developer & Future Technology (GDFT) Group as we lead the cloud gaming revolution, delivering console-quality video games across various devices from TVs to consoles and mobile. We are seeking a Staff Software Engineer with expertise in DPDK software and firmware development, who is passionate about designing and creating cutting-edge hardware and software. If you are eager to make a significant impact and collaborate with intelligent and creative teammates, we want you on our team to build world-class technology that delivers unique gaming experiences to millions!