Senior Backend Engineer

About this role

<p><strong><span data-contrast="auto"><span data-ccp-parastyle="heading 1">About Arena Club</span></span></strong><span data-ccp-props="{"134245418":true,"134245529":true,"335559738":400,"335559739":120}"> </span></p> <p><span data-contrast="auto">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.</span><span data-ccp-props="{}"> </span></p> <p> </p> <p><strong>About The Role</strong></p> <p><span data-contrast="auto">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.</span><span data-ccp-props="{}"> </span></p> <p> </p> <p><strong>What You Will Do</strong></p> <ul> <li data-leveltext="●" data-font="" data-listid="1" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769242":[8226],"469777803":"left","469777804":"●","469777815":"multilevel"}" data-aria-posinset="1" data-aria-level="1"><span data-contrast="auto">Design, build, and maintain scalable backend applications and APIs using Node.js, TypeScript, and Postgres</span><span data-ccp-props="{}"> </span></li> </ul> <ul> <li data-leveltext="●" data-font="" data-listid="1" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769242":[8226],"469777803":"left","469777804":"●","469777815":"multilevel"}" data-aria-posinset="2" data-aria-level="1"><span data-contrast="auto">Leverage AI-powered coding tools (e.g., GitHub Copilot, Tabnine) to improve development speed, code quality, and system reliability</span><span data-ccp-props="{}"> </span></li> </ul> <ul> <li data-leveltext="●" data-font="" data-listid="1" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769242":[8226],"469777803":"left","469777804":"●","469777815":"multilevel"}" data-aria-posinset="3" data-aria-level="1"><span data-contrast="auto">Architect and optimize systems for high scalability and performance as the business rapidly expands</span><span data-ccp-props="{}"> </span></li> </ul> <ul> <li data-leveltext="●" data-font="" data-listid="1" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769242":[8226],"469777803":"left","469777804":"●","469777815":"multilevel"}" data-aria-posinset="4" data-aria-level="1"><span data-contrast="auto">Implement third-party integrations and external APIs to enhance the platform’s capabilities</span><span data-ccp-props="{}"> </span></li> </ul> <ul> <li data-leveltext="●" data-font="" data-listid="1" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769242":[8226],"469777803":"left","469777804":"●","469777815":"multilevel"}" data-aria-posinset="5" data-aria-level="1"><span data-contrast="auto">Develop and maintain internal tools that support fulfillment operations, internal workflows, and machine learning initiatives</span><span data-ccp-props="{}"> </span></li> </ul> <ul> <li data-leveltext="●" data-font="" data-listid="1"…