Staff Platform Engineer

• Design, build, and evolve the platform services, infrastructure, and internal tooling that power OpenSea's products
• Own complex technical systems from definition through implementation, balancing scalability, reliability, maintainability, and developer experience
• Bring best-in-class observability, monitoring, and alerting to all of the systems at OpenSea
• Maintain and improve AI skills & tools to make our systems more accessible, introspectable, and easy to contribute to
• Accelerate and expand CI coverage to improve correctness and AI verifiability
• Partner closely with product teams to accelerate build & deployment of critical products
• Build and ship high-quality, reliable software leveraging AI, modern development tools, and strong engineering judgment

• 7+ years of software engineering experience building large-scale backend or platform systems
• Strong fluency in JVM languages such as Kotlin or Java
• Experience designing and operating distributed systems, backend services, and modern cloud infrastructure
• Strong understanding of platform engineering principles, developer tooling, CI/CD, observability, and operational best practices
• Demonstrated ability to own complex, ambiguous technical problems and deliver thoughtful, scalable solutions
• Excitement for making independent technical decisions balancing reliability, scalability, performance, and long-term maintainability
• Experience leveraging AI tools and workflows to improve engineering quality, efficiency, and team effectiveness
• Passion for Web3, digital ownership, AI, or other emerging technologies

Pay range: $190K - $345K

• Health Benefits: We cover 100% Dental/Vision/Medical for employees and 90% for dependents
• Flexible Time Off Policy
• Parental Leave: 16 Weeks of Paid Parental Bonding & up to 8 additional weeks for the birthing parent
• Mental Health: We offer access to Spring Health, covering 8 therapy & 8 coaching sessions per year
• 11 Company Holidays
• Fidelity 401K Plan
• Internet/Mobile Reimbursement Plan
• Reimbursement or Monthly Snack Delivery
• Company & Team retreats
• Team Member Co-Working and Gathering Expense
• MacBook Pro & WFH Stipend
• Weekly $50 Uber Eats credit