Remote Lead Backend Developer (sports exchange)

We're looking for a senior backend developer (language agnostic) with deep knowledge in designing high-performance, distributed systems. You'll work in a core product team focused on building scalable, event-driven architectures that power millions of transactions across casino, sportsbook, and exchange products.

This is a strategic, high-impact role in a team responsible for one of the most technically demanding areas of the platform.

Tech Stack (You don't need them all-expertise in any of these is welcome!)

• Languages: Go, Node.js, Java, Rust, Ruby on Rails
• Messaging & Stream Processing: gRPC, RabbitMQ, NATS Jetstream
• Datastores: Redis, ClickHouse, PostgreSQL, MongoDB
• Cloud & Infra: Docker, Kubernetes, CI/CD pipelines
• Architecture: Microservices, real-time APIs, event-driven systems

What You'll Do

• Architect and develop backend systems for real-time sports exchange services
• Design high-throughput, low-latency services
• Work with cross-functional teams to deliver reliable and scalable solutions
• Lead code reviews, system design discussions, and performance tuning
• Mentor other engineers and help define technical best practices

• 5+ years of backend experience in complex, high-performance systems
• Proven expertise in at least one of these backend languages ; Go, Java, Node.js, Rust, RoR
• Experience with microservices and event-driven design
• Familiarity with message queues and real-time data pipelines
• Comfortable working in a fast-paced, agile environment
• Excellent problem-solving and communication skills
• Proficient in English