Senior Backend Engineer

Betr

1d • Remote

About The Position

We're looking for a Senior Backend Engineer to join our Integration Team at Betr, a rapidly growing sports betting and daily fantasy sports company. This team is the backbone of our platform—ingesting odds feeds from multiple providers, managing critical data pipelines, and ensuring seamless integration between all parts of our system.

You'll own significant technical areas from day one, work with cutting-edge sports betting technology, and solve complex distributed systems challenges at scale.

This position is fully remote, but is based in Canada. Candidates must currently reside in Canada and be legally authorized to work there.

Requirements

• 5+ years backend engineering experience with production systems
• Strong proficiency in Kotlin or Java (we use Kotlin primarily)
• Deep understanding of Kafka (topics, consumers, producers, streaming)
• Experience with distributed systems and event-driven architecture
• SQL and database optimization skills (Mysql, PostgreSQL)
• Ability to debug complex issues across multiple services
• Strong communication skills for cross-team collaboration

Nice To Haves

• Experience with PHP (we have some legacy systems)
• WebSocket implementation experience
• Redis for caching at scale
• Real-time data processing and normalization
• Vert.x or similar reactive frameworks
• Sports betting or gaming industry background
• DevOps/infrastructure experience (AWS, Docker, Kubernetes)
• Experience with RabbitMQ
• Retool or similar internal tooling platforms

Responsibilities

• Own integration with sports feed data providers
• Build and maintain WebSocket clients for real-time odds and event data
• Ingest and normalize data from REST APIs and streaming feeds
• Handle data mapping between providers (teams, players, events, markets)
• Troubleshoot data quality issues and discrepancies across feeds
• Design and maintain Kafka topics and consumer/producer architecture
• Monitor and troubleshoot consumer lag issues
• Optimize message processing for high-volume, real-time data streams
• Manage data flow between microservices (ITC → SBK → Picks)
• Work with Redis for caching and performance optimization
• Maintain and extend the Market Management System
• Build tools for product ops (Retool dashboards)
• Implement market settlement logic
• Handle market limits and configuration management
• Support live market suspension/unsuspension logic
• Ensure 99.9% uptime for critical data pipelines
• Optimize memory consumption and application stability
• Implement monitoring and observability (Datadog)
• Debug production issues across distributed systems
• Participate in on-call rotation

Benefits

• High Impact: You'll own critical systems that power the entire platform
• Technical Depth: Complex distributed systems, high-volume real-time data, interesting scale challenges
• Ownership: From day one, you'll own significant technical areas
• Growth: We're expanding rapidly—lots of opportunity to grow with the company
• Team: Work with a strong engineering team that values technical excellence
• Remote-First: Work from anywhere in Canada

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed