Senior Software Engineer, Sportsbook Platform

About this role

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Software Engineer, Sportsbook Platform based in United States.

This role focuses on designing, building, and scaling the backend services and real-time APIs that power digital sportsbook and casino experiences across web, iOS, and Android. You will work on high-throughput systems where performance, reliability, and API consistency directly shape the user experience. The position combines backend engineering with close collaboration across mobile and web teams, including opportunities to contribute directly to native iOS and Android features. You will take ownership of projects from initial design through production delivery, with success measured by customer and platform outcomes rather than task volume. AI coding agents are a core part of the engineering workflow, and you will use them to accelerate development while maintaining strong standards for quality, testing, and review. This is an opportunity to influence platform architecture, improve production systems, mentor teammates, and help evolve a sophisticated real-time sports betting platform.

### Accountabilities

• Design, build, scale, and optimize APIs and real-time delivery systems that support web, iOS, and Android applications.
• Treat API schemas as versioned contracts with released mobile applications, classify breaking changes, coordinate migrations with iOS and Android leads, and maintain consistency across client models.
• Develop and operate backend services that remain fast, reliable, and correct under high-throughput and bursty traffic conditions.
• Identify production bottlenecks and performance risks, then implement improvements to strengthen platform scalability.
• Configure and continuously improve monitoring, alerting, and distributed tracing using Datadog for owned systems.
• Contribute to native Android and iOS features in Kotlin or Swift when neede...