Staff Platform Engineer

About the role

You will architect and evolve the platform services and infrastructure that serve as the foundation for OpenSea's onchain marketplace and creator tools. In this role, you own the technical decisions that allow our engineering teams to ship features quickly, safely, and at global scale. You will design systems that are observable, maintainable, and resilient by default, ensuring they protect themselves with minimal manual intervention. You will partner closely with product engineers to improve developer experience, system performance, and operational excellence across all product domains. You will actively evolve AI-enabled workflows and the technical foundations that make our entire team more effective builders. Your work will directly support millions of users and the onchain assets and communities that depend on our infrastructure.

What you'll do

• 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 (where your agents can't yet!).
• Build and ship high-quality, reliable software leveraging AI, modern development tools, and strong engineering judgment.
• Define and standardize platform patterns that enable product engineers to move quickly without sacrificing long-term stability.
• Collaborate cross-functionally to ensure infrastructure investments align with product roadmaps and company priorities.
• Champion operational best practices that reduce toil and enable systems to protect themselves.
• Drive initiatives that improve security, compliance, and performance across the platform footprint.
• Evaluate emerging technologies and determine how they can be leveraged to enhance engineering productivity and system capabilities.
• Lead incident responses and postmortems to drive continuous improvement of platform reliability.
• Mentor engineers by elevating code reviews, design discussions, and knowledge sharing across the platform team.

Requirements

• 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.

Compensation & location

The 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.

Benefits & 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 interfere with their ability to meet their goals and contribute effectively to company velocity.
• 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 to get together for fun and collaboration.
• Team Member Co-Working and Gathering Expense.
• Macbook Pro & WFH Stipend to make sure you are set up for success.
• Weekly $50 Uber Eats credit.

Practical notes

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Location: Remote (US or Remote EU)

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Engagement: Full-time.

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.

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