Senior Backend Engineer

About this role

About Arena Club

If you’re fascinated by sports cards and memorabilia, your search ends here. Arena Club is pioneering the collectibles domain by introducing the first-ever digital card show. Spearheaded by 5x World Series Champion Derek Jeter and serial entrepreneur Brian Lee, Arena Club has developed a fully digital marketplace. This innovative platform is built on trust, transparency, and fun, featuring grading & authentication, vaulting, and digital pack openings for collectors to build and showcase their collections in a personalized online showroom from anywhere in the world.

About The Role

Join our fast-growing startup as a Senior Backend Engineer and help build the backbone of our platform. We are a dynamic, high-growth company where your work will have a direct impact on product success and scalability. This position is in-office, fostering a fun and collaborative environment, with flexibility for a hybrid arrangement to accommodate personal needs as life comes up.

What You Will Do

• Design, build, and maintain scalable backend applications and APIs using Node.js, TypeScript, and Postgres

• Leverage AI-powered coding tools (e.g., GitHub Copilot, Tabnine) to improve development speed, code quality, and system reliability

• Architect and optimize systems for high scalability and performance as the business rapidly expands

• Implement third-party integrations and external APIs to enhance the platform’s capabilities

• Develop and maintain internal tools that support fulfillment operations, internal workflows, and machine learning initiatives