Sr. Software Engineer - B2B

About this role

<p>AXS connects fans with the artists and teams they love. Each year we sell millions of tickets to thousands of incredible events – from concerts and festivals to sports and theater – at some of the most iconic venues in the world. Since our founding in 2011, we’ve consistently pushed the industry forward and improved experiences for fans, making it easier than ever to discover events, find the perfect seats, and enjoy unforgettable live entertainment, and we continue to lead the evolution of our industry today.</p> <p>We’re passionate about improving the fan experience and providing game-changing solutions for our clients, and we’re always looking for smart, motivated people to help make it happen. Bring your enthusiasm, your big ideas, and your desire to team up with some of the best and brightest in technology and entertainment. &nbsp;</p> <p><span data-contrast="auto"> </span><span data-ccp-props="{}">&nbsp;</span></p> <p><strong><span data-contrast="none"><span data-ccp-parastyle="heading 2">The Role</span></span><span data-ccp-props="{"134245418":true,"134245529":true,"335559738":160,"335559739":80}">&nbsp;</span></strong></p> <p><span data-contrast="auto">Join us in building the systems behind the LA28 Olympic and Paralympic Games. We are hiring Senior Backend Engineers to power one of the largest and most demanding ticketing platforms in the world.</span><span data-ccp-props="{}">&nbsp;</span></p> <p><span data-contrast="auto">This role focuses on designing and&nbsp;operating&nbsp;distributed systems that must perform reliably under extreme, bursty traffic conditions&nbsp;-&nbsp;such as global on-sale events with massive concurrency and adversarial bot activity. You will work on high-impact systems where performance, fairness, and reliability directly affect millions of users in real time.</span><span data-ccp-props="{}">&nbsp;</span></p> <p><span data-contrast="auto">Candidates may be leveled as Senior Engineer I or II based on experience and interview performance.</span><span data-ccp-props="{}">&nbsp;</span></p> <p><strong><span data-contrast="none"><span data-ccp-parastyle="heading 2">What&nbsp;</span><span data-ccp-parastyle="heading 2">You’ll</span><span data-ccp-parastyle="heading 2">&nbsp;Do</span></span><span data-ccp-props="{"134245418":true,"134245529":true,"335559738":160,"335559739":80}">&nbsp;</span></strong></p> <ul> <li><span data-contrast="auto">Own the design, build, and operation of backend systems powering global ticketing, including LA28.</span><span data-ccp-props="{"134233117":false,"134233118":false,"335559738":0,"335559739":0}">&nbsp;</span></li> <li><span data-contrast="auto">Design distributed systems that handle unpredictable, high-concurrency traffic (10x-100x spikes during on-sale events).</span><span data-ccp-props="{"134233117":false,"134233118":false,"335559738":0,"335559739":0}">&nbsp;</span></li> <li><span data-contrast="auto">Drive architectural decisions across services, balancing trade-offs between scalability, latency, cost, and reliability.</span><span data-ccp-props="{"134233117":false,"134233118":false,"335559738":0,"335559739":0}">&nbsp;</span></li> <li><span data-contrast="auto">Build and evolve API-driven services used by internal systems and external partners at scale.</span><span data-ccp-props="{"134233117":false,"134233118":false,"335559738":0,"335559739":0}">&nbsp;</span></li> <li><span data-contrast="auto">Analyze and&nbsp;optimize&nbsp;system performance using load testing, production telemetry, and observability tooling.</span><span data-ccp-props="{"134233117":false,"134233118":false,"335559738":0,"335559739":0}">&nbsp;</span></li> <li><span data-contrast="auto">Design for correctness under concurrency, including challenges like fairness, queuing, and race conditions.</span><span data-ccp-props="{"134233117":false,"134233118":false,"335559738":0,"335559739":0}">&nbsp;</span></li> <li><span data-contrast="auto">Develop and implement strategies to mitigate fraud, abuse, and bot traffic in high-demand environments.</span><span data-ccp-props="{"134233117":false,"134233118":false,"335559738":0,"335559739":0}">&nbsp;</span></li> <li><span data-contrast="auto">Lead design and code reviews, influencing engineering standards and long-term system architecture.</span><span data-ccp-props="{"134233117":false,"134233118":false,"335559738":0,"335559739":0}">&nbsp;</span></li> <li><span data-contrast="auto">Collaborate with product and business stakeholders to define solutions in ambiguous problem spaces.</span><span data-ccp-props="{"134233117":false,"134233118":false,"335559738":0,"335559739":0}">&nbsp;</span></li> <li><span data-contrast="auto">Leverage AI-assisted development tools to accelerate iteration and improve code quality.</span><span data-ccp-props="{"134233117":false,"134233118":false,"335559738":0,"335559739":0}">&nbsp;</span></li> </ul> <p><span data-contrast="none"><span data-ccp-parastyle="heading 2">What You Bring</span></span><span data-ccp-props="{"134245418":true,"134245529":true,"335559738":160,"335559739":80}">&nbsp;</span></p> <ul> <li><span data-contrast="auto">Strong experience with C# and .NET / .NET Core, or a Java background with willingness to work primarily in C#.</span><span data-ccp-props="{"134233117":false,"134233118":false,"335559738":0,"335559739":0}">&nbsp;</span></li> <li><span data-contrast="auto">Proven experience building and&nbsp;operating&nbsp;distributed systems at scale in production environments.</span><span data-ccp-props="{"134233117":false,"134233118":false,"335559738":0,"335559739":0}">&nbsp;</span></li> <li><span data-contrast="auto">Deep understanding of concurrency, fault tolerance, and system design trade-offs.</span><span data-ccp-props="{"134233117":false,"134233118":false,"335559738":0,"335559739":0}">&nbsp;</span></li> <li><span data-contrast="auto">Experience designing and scaling API-driven services in cloud environments (AWS preferred).</span><span data-ccp-props="{"134233117":