Staff Software Engineer – Backend
About the role
About Sleeper
Sleeper is on a mission to connect people over sports through games and community. As one of the fastest-growing platforms in the fantasy sports and real-money gaming space, we're redefining how sports fans engage—whether it's through season-long leagues, pick'em contests, or real-time interactions with friends.
Our team is lean, passionate, and product-driven. We obsess over user experience and believe that building delightful, fast, and reliable products is the best way to grow.
About the Role
We're looking for a Staff Software Engineer - Backend to help us scale the core systems behind our fantasy sports and DFS (Daily Fantasy Sports) offerings. In this role, you'll drive architectural decisions, build critical backend services, and mentor fellow engineers as we scale to support tens of millions of passionate sports fans.
As a senior technical leader, you'll collaborate cross-functionally to bring innovative features to life—from real-time contest engines and game logic to personalized content and secure, seamless payments. You'll be empowered to own major parts of the backend stack and help define what "great" looks like in terms of performance, scalability, and reliability at Sleeper.
What You'll Do
- Drive architectural decisions for core backend systems
- Build critical backend services to support fantasy sports and DFS platforms
- Mentor fellow engineers on the team
- Collaborate cross-functionally to develop innovative features
- Own major parts of the backend stack
- Define standards for performance, scalability, and reliability