Senior Software Engineer (SDE III) - Backend (Java | Golang | AWS)

Fanatics Inc•New York, NY

49d

About The Position

As a Senior Software Engineer (SDE III), you are focused on Backend development and DevOPs at Fanatics Betting & Gaming (FBG), you are a key contributor to the design and delivery of scalable, high-performance systems that power iCasino Gaming across Fanatics platforms. You write clean, maintainable code, contribute to architecture discussions, and help evolve our platform to support rapid iteration and growth. You thrive in a collaborative, cross-functional environment-working closely with engineers across the stack to build reliable backend services, thoughtfully designed APIs, and seamless integrations. We own iCasino Gaming across Fanatics platforms-including the Standalone Casino App, iCasino within our Fanatics Sportsbook & Casino App, and the Casino Desktop website. These games are powered by modern technologies including Kotlin Multiplatform, Spring Boot, Java, Golang, and React. Our ambition is to build the top online casino in the U.S.-with gaming experiences that are innovative, fun, dynamic, and entertainment-first. We move fast, embrace modern development principles, and prioritize scalable architecture to continuously deliver on our Customer Promise and stay ahead in this exciting, fast-paced market.

Requirements

3+ years of backend development experience using Java and Spring Boot (or similar/equivalent) in production environments.
Solid understanding of RESTful service design, distributed systems, and database technologies (SQL and/or NoSQL).
Strong technical skills in a CI/CD environment, with a working knowledge of software design principles related to performance, maintainability, and scalability.
Demonstrated ability to collaborate with cross-functional teams (Product, Design, Security, DevOps) and external partners to deliver high-quality features.
Strong debugging, problem-solving, and root cause analysis skills.
Clear communicator, capable of explaining technical concepts to peers and non-engineers.
Positive, adaptable, and curious mindset-comfortable working in a fast-paced environment with evolving priorities.
Experience working in Agile and Scrum development environments.

Nice To Haves

Hands-on experience with AWS cloud services and tools supporting deployment, monitoring, and observability (e.g., Terraform, CI/CD, Datadog, CloudWatch).
Understanding of Infrastructure As A Service and a passion for Cloud Native Development
Experience or curiosity in shared business logic using Kotlin Multiplatform (KMP) to support web and mobile.
Exposure to startup or hyper-growth environments, with a pragmatic, iterative approach to building MVPs and delivering customer value.
Interest in system design and architecture, with an eye for clean APIs, reusable services, and scalable patterns.
Familiarity with container orchestration (e.g., Docker, Kubernetes) and/or event-driven architectures using tools like Kafka (helpful as we move in this direction).
Experience supporting production systems, participating in on-call rotations, and improving operational excellence.

Responsibilities

Develop, test, and deploy backend software features through high-quality, correct production code using Java, Golang, Spring Boot, and AWS.
Help design and implement scalable, low-latency distributed systems that power engaging iCasino experiences across web and mobile.
Work closely with internal and external teams to deliver stable, reliable systems aligned with our product roadmap and delivery schedules.
Collaborate with frontend, mobile, and platform engineers to shape backend services that support seamless, cross-platform user experiences.
Participate in architecture reviews, technical design discussions, sprint planning, and code reviews.
Improve and champion engineering best practices related to quality, maintainability, and system performance.
Contribute to discovery and design efforts for complex technical projects, translating business outcomes into scalable technical solutions.
Partner with Product, Design, DevOps, and Security to build and deliver features in a highly regulated production environment.
Participate in on-call rotations, assisting with incident response and ongoing support of production systems.
Operate according to Agile methodologies, sharing progress and blockers in daily stand-ups and retrospectives.
Stay curious and open to exploring opportunities across the stack, including frontend tools like React or shared logic via Kotlin Multiplatform.
Be open to occasional travel to Fanatics offices or industry events for collaboration, planning, or team-building.