Staff Platform Engineer

OpenSea is building the gateway to the onchain economy - a rich world of communities, assets & creative expression uniquely possible with native digital ownership. Our products support millions of users and have helped shape onchain markets that exist today—and we re just getting started.Our goal is to build the highest-leverage, most AI-native team in crypto (and ideally beyond.) We believe that a small team (broken into even smaller teams with extreme ownership) can accomplish enormous results with the right people, the right tools, and the right company-wide investments in AI. We are building that team.We re looking for a highly skilled, curious, and self-driven Staff Platform Engineer to help build the technical foundations that power OpenSea. In this role, you ll design and evolve the platform, services, and infrastructure that enable our engineering teams to build, deploy, and operate products quickly, reliably, and at scale. You ll partner closely with product engineers to improve developer experience, system performance, and operational excellence while helping evolve the AI-enabled workflows, engineering systems, and technical foundations that make our entire team more effective builders.ResponsibilitiesIn the age of AI, Platform teams have two main roles - architect, build, and maintain critical systems, and enable the rest of the team to work safely and productively across your areas of ownership. Our goal is to make the systems protect themselves and enable everyone to build quickly.Design, build, and evolve the platform services, infrastructure, and internal tooling that power OpenSea s productsOwn complex technical systems from definition through implementation, balancing scalability, reliability, maintainability, and developer experienceBring best-in-class observability, monitoring and alerting to all of the systems at OpenSeaMaintain and improve AI skills & tools to make our systems more accessible, introspectable and easy to contribute toAccelerate and expand CI coverage to improve correctness and AI verifiabilityPartner closely with product teams to accelerate build & deployment of critical products (where your agents can t yet!)Build and ship high-quality, reliable software leveraging AI, modern development tools, and strong engineering judgmentRequirements7+ years of software engineering experience building large-scale backend or platform systemsStrong fluency in JVM languages such as Kotlin or JavaExperience designing and operating distributed systems, backend services, and modern cloud infrastructureStrong understanding of platform engineering principles, developer tooling, CI/CD, observability, and operational best practicesDemonstrated ability to own complex, ambiguous technical problems and deliver thoughtful, scalable solutionsExcitement for making independent technical decisions balancing reliability, scalability, performance, and long-term maintainabilityExperience leveraging AI tools and workflows to improve engineering quality, efficiency, and team effectivenessPassion for Web3, digital ownership, AI, or other emerging technologiesThe base salary for this full-time position, spanning multiple internal levels depending on qualifications, ranges from $190,000 to $345,000 USD for candidates based in the United States and $161,500 to $293,250 USD for candidates based in the European Union, plus benefits & equity. Compensation for candidates based outside of the US and EU will vary to reflect local market conditions.If you don t think you meet all of the criteria above but still are interested in the job, please apply. Nobody checks every box, and we re looking for someone who is excited to join the team.#LI-RemoteBenefits & Perks🏥 Health Benefits: We cover 100% Dental/Vision/Medical for employees and 90% for dependents🌴 Flexible Time Off Policy: Our flexible time off policy is aimed at letting our employees take as much time off as they d like to refresh so long as it doesn t inter