If you’re fascinated by sports cards and memorabilia, your search ends here. Arena Club is pioneering the collectibles space by introducing the first-ever digital card show. Led by 5x World Series Champion Derek Jeter and serial entrepreneur Brian Lee, Arena Club has developed a fully digital marketplace. This innovative platform focuses on trust, transparency, and enjoyment, 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.
Role OverviewJoin our fast-growing startup in West Los Angeles 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 they arise.
Key Responsibilities- 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
- Collaborate cross-functionally with product, data, and frontend teams to ship high-impact features quickly
- Ensure backend systems are secure, well-documented, and thoroughly tested
- 5+ years of experience as a professional backend engineer
- Strong proficiency in Node.js, TypeScript, and Postgres
- Proven experience building and scaling eCommerce or online marketplace platforms
- Passion for using the latest AI coding tools and AI-driven best practices to enhance development workflows
- Deep understanding of cloud platforms (AWS or GCP) and containerization/infrastructure-as-code tools (Docker, Terraform)
- Ability to move fast and iterate quickly in a startup environment while maintaining high code quality
- Excellent problem-solving skills and the ability to communicate technical trade-offs effectively
- Languages & Frameworks: TypeScript, Node.js, Python
- Database: Postgres
- Cloud & Infrastructure: AWS (S3, SQS, etc.) and/or GCP, Docker, Terraform
- AI Development Tools: AI-powered coding assistants (e.g., GitHub Copilot, Tabnine), LLM-based development enhancements
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What We Do
Arena Club is revolutionizing the world of sports cards and memorabilia with the first-ever digital card show. Backed by 5x World Series Champion Derek Jeter and serial entrepreneur Brian Lee, we’ve created a fully digital marketplace built on trust, transparency, and fun. Our platform offers grading & authentication, vaulting, and digital pack openings (Slab Packs™), enabling collectors to build and showcase their collections in personalized online showrooms from anywhere in the world.
