Build high-throughput APIs for the

Score Bet as a Senior Software Engineer, working remotely across Canada with AI coding agents daily.
PENN Entertainment’s digital team supports backend services and real-time APIs for the

Score Bet, Hollywood Casino, and the

Score Casino.

This senior engineering role emphasizes API evolution, distributed systems, production performance, and end-to-end feature ownership.

You will collaborate with iOS, Android, and web engineers while developing software with agents such as Claude Code.

Key Responsibilities: Design, scale, and tune APIs and real-time delivery
Manage versioned schemas, migrations, and client compatibility
Operate services under high-throughput, bursty loads




Configure Datadog monitoring, alerting, and tracing
Own features from API through screen
Requirements: At least five years of software engineering experience
Two-plus years designing multi-client APIs
Daily hands-on experience with AI coding agents
Experience with real-time features and production performance
Server framework experience, such as Phoenix or Node
Apply backend engineering, API design, real-time systems, and AI-assisted development to sportsbook platform services at PENN Entertainment.

📌 Senior Backend API Engineer Sportsbook (Canada)
🏢 Important Business
📍 Canada