Staff Backend Engineer at OpenSea

<p style="min-height:1.5em">OpenSea is the gateway to web3’s next chapter—where NFTs, fungible tokens, and emerging digital assets converge to create open, user-owned economies. As a foundational player in the crypto space, we’re building infrastructure that supports millions of users and sets new standards for how people discover and exchange digital value.<br /><br /></p><p style="min-height:1.5em">Our team is small but mighty: hands-on, fast-moving, and deeply committed to shipping meaningful work. We're remote-first by design, AI-empowered by default, and guided by values that prioritize ownership, trust, and progress. At OpenSea, you’ll be challenged to grow fast while being supported by a talent-dense team shaping the future of crypto.</p><p style="min-height:1.5em"></p><p style="min-height:1.5em">We're looking for an ambitious, detail-oriented Staff Backend Engineer with an enthusiasm for building and scaling feature-rich, well-tested, and polished applications with modern technologies. This individual will spearhead core features of the OpenSea 2.0 backend.</p><p style="min-height:1.5em"></p><p style="min-height:1.5em"><strong>Responsibilities</strong></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Form, communicate, and execute on a technical vision for the next generation of OpenSea’s architecture that leverages highly scalable and event-driven patterns</p></li><li><p style="min-height:1.5em">Write reliable, low latency marketplace infrastructure software that will eventually process billions of dollars a day worth of transaction volume, including highly performant blockchain indexing systems, order management systems at scale, and REST &amp; Websocket API endpoints</p></li><li><p style="min-height:1.5em">Raise the bar for internal understanding of best practices in building highly performant &amp; event-driven systems with “live” characteristics</p></li><li><p style="min-height:1.5em">Mentor and train other team members and act as an internal thought leader and agitator for architectural rigor and cleanliness</p></li></ul><p style="min-height:1.5em"><strong>Requirements</strong></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">At least 6 years of experience as a software engineer</p></li><li><p style="min-height:1.5em">Strong fluency in event-driven system design patterns, leveraging technologies such as Kafka, Flink, and Debezium, as well as distributed systems more generally</p></li><li><p style="min-height:1.5em">Strong fluency in JVM languages like Kotlin or Java</p></li><li><p style="min-height:1.5em">Strong fluency and opinionated in database choice and schema design for highly performant and scalable applications</p></li><li><p style="min-height:1.5em">Intrinsic interest in leveraging new tools (e.g. AI) to increase work efficiency and quality</p></li><li><p style="min-height:1.5em">Passion for (blockchain) technology, NFTs, and the potential of digital ownership is a huge plus</p></li></ul><p sty