Senior Backend Engineer

About BetrFounded in 2022 by Joey Levy and Jake Paul, Betr is building the world's first real money gaming super app. The company's first product, Betr Picks, launched in September 2023 and quickly grew to several hundreds of thousands of paying users that have already won $250M on the platform. Betr recently launched Betr Arcade with plans on launching additional new nationwide gaming products within its single app experience in 2025 to further differentiate its product offering. In addition to its single-app experience, Betr's gaming products are differentiated through a unique, simplified user interface that is catered to the casual sports fan and gamer, enabling Betr to capture more of the under-penetrated online gaming addressable market.
Betr's media division, Betr Media, is one of the fastest growing sports gaming media brands in the U.S. and helps support the company's user acquisition and retention efforts.
Betr is backed by Fuel Venture Capital, Aliya Capital Partners, IA Sports Ventures, FinSight Ventures, Florida Funders, Harmony Partners, 8vc, and other top-tier investors.
About the RoleWe'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. What You'll Do:

• 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 Kafka & Data Pipeline Management- 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 Market Management System (MMS)- 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 Platform Reliability & Performance- 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

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 Have:- 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

Why Join Betr's ITC Team?

• 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