Senior Site Reliability Engineer Infrastructure

At Underdog, we make sports more fun. Our thesis is simple: build the best products and we'll build the biggest company in the space, because there's so much more to be built for sports fans. We're just over five years in, and we're one of the fastest-growing sports companies ever, most recently valued at $1.3B. And it's still the early days. We've built and scaled multiple games and products across fantasy sports, sports betting, and prediction markets, all united in one seamless, simple, easy to use, intuitive and fun app. Underdog isn't for everyone. One of our core values is give a sh*t. The people who win here are the ones who care, push, and perform. If that's you, come join us. Winning as an Underdog is more fun. This is a rare opportunity to be a founding SRE at Underdog, helping define how reliability, scalability, and operational excellence work as the company continues to grow. You'll operate in exploration mode early on, identifying the highest-leverage reliability challenges and shaping our approach to incident response, observability, and SLOs. This is a high-impact role with real ownership from day one, partnering closely with platform, infrastructure, and product teams to ensure Underdog scales through peak traffic, game-day spikes, and rapid iteration while improving both system reliability and developer experience. About the role • Own and maintain the incident response process, including defining procedures, tools, and best practices • Guide teams in establishing and monitoring Service Level Objectives (SLOs), including setting up alerts and reporting systems • Lead capacity planning initiatives, focusi

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