Senior Server Engineer

Rush Street Interactive (NYSE: RSI) is a market leader in online casino and sports betting, currently operating real-money gaming with our brands: , , and  We’re building bridges between online, social and land-based gaming businesses to create amazing, integrated experiences that keep players in the game. We are looking for a Senior Server Engineer who would work closely with Product, Analytics, Data Engineering, Infrastructure, and the Engineering team.

You'll help shape the technical direction of our backend platform while delivering high-quality software, mentoring engineers, and driving architectural excellence.
What You'll Do

• Design, build, and maintain scalable backend services using Java (Spring Boot, Hibernate, Dropwizard) and related technologies
• Develop high-performance microservices, RESTful APIs, and service-to-service integrations for a highly available, distributed platform
• Design and implement event-driven architectures using Kafka and asynchronous messaging
• Build resilient integrations with internal and third-party systems, ensuring reliability through retry handling, idempotency, monitoring, and operational support
• Define and evolve event contracts, payload schemas, API standards, versioning strategies, and integration patterns in collaboration with Product, Analytics, and Data Engineering
• Drive platform modernization by reducing technical debt, simplifying legacy systems, and improving architecture through service consolidation
• Ensure services are secure, observable, maintainable, and production-ready through automated testing, CI/CD, monitoring, and performance optimization
• Lead production incident investigations, perform root cause analysis, and implement long-term improvements
• Provide technical leadership through architecture reviews, code reviews, pair programming, mentoring, hiring, onboarding, and engineering best practices

What You'll Bring

• 8+ years of professional software development experience with strong backend engineering expertise
• Bachelor's degree in Computer Science, Computer Engineering, Information Systems, or equivalent practical experience
• Advanced experience with Java and frameworks such as Spring Boot, Hibernate, and Dropwizard
• Proven experience designing distributed systems, microservices, RESTful APIs, and backend integration patterns
• Strong knowledge of event-driven architecture and messaging platforms such as Kafka
• Experience with relational databases, including PostgreSQL and Oracle; familiarity with Redis is a plus
• Hands-on experience with Docker, Kubernetes, CI/CD pipelines, Git workflows, Dev Ops practices, and AWS
• Solid understanding of observability, including logging, monitoring, metrics, tracing, and production diagnostics
• Experience leading technical discussions, making architectural decisions, and mentoring engineers in Agile environments
• Excellent communication skills, with the ability to explain technical concepts to both technical and non-technical audiences
• Ability to travel occasionally, both domestically and internationally

This role spans a wide breadth of experience at Rush Street Interactive, welcoming candidates with diverse experiences, backgrounds, and locations. The pay range reflects potential variations in experience, skills, and location. The pay range does not reflect total compensation, which includes base pay, benefits, and/or bonuses. For candidates outside the US (Canada, Europe, Latin America), we take a locally informed approach to compensation and will share specific ranges based on your country of residence.

Location Eligibility (for nationwide roles): Open to candidates in eligible locations in the Continental US or Canada.
Location Eligibility (for other roles): Location requirements may vary and will be specified in the…