OpenSea

Staff Platform Engineer

OpenSea$190K — $345K *
US-AnywhereRemote in United States
Technical Services
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 7+ years of software engineering experience building large-scale backend or platform systems
  • Proficient in JVM languages like Kotlin or Java
  • Experience in designing and operating distributed systems and modern cloud infrastructure
  • Strong grasp of platform engineering principles, developer tooling, CI/CD, and observability
  • Track record of owning complex technical problems and delivering scalable solutions
  • Ability to make independent technical decisions regarding reliability, scalability, and maintainability
  • Experience with AI tools to enhance engineering quality and efficiency
  • Interest in Web3, digital ownership, AI, or emerging technologies

Responsibilities

  • Design, build, and improve platform services, infrastructure, and internal tools for OpenSea's products
  • Own and manage complex technical systems from inception to implementation with a focus on scalability and reliability
  • Implement best-in-class observability, monitoring, and alerting across OpenSea's systems
  • Enhance AI tools to improve system accessibility and ease of contribution
  • Drive CI coverage improvements for enhanced correctness and AI verifiability
  • Collaborate with product teams to accelerate the build and deployment of critical products
  • Develop and deliver high-quality, reliable software using AI and modern development tools

Benefits

  • 100% coverage of dental, vision, and medical health benefits for employees; 90% for dependents
  • Flexible time-off policy to support employee rest and productivity
  • 16 weeks of paid parental bonding leave, with additional weeks for birthing parents
  • Access to mental health resources including therapy and coaching sessions
  • 11 company holidays and a fidelity 401K plan
  • Reimbursement for internet/mobile expenses, snacks, and co-working spaces
  • Company retreats for team bonding and collaboration
  • Provision of a MacBook Pro and work-from-home stipend
  • Weekly $50 Uber Eats credit
Full Job Description
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.

Responsibilities

In 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 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


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


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.

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-Remote

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

About OpenSea

OpenSea is a peer-to-peer marketplace for buying and selling non-fungible tokens (NFTs) on the Ethereum blockchain. It was founded in 2017 by Devin Finzer and Alex Atallah. OpenSea allows users to buy, sell, and discover rare digital items such as art, gaming items, domain names, and other collectibles. The platform has over 4 million items listed and has facilitated over $1 billion in sales. OpenSea has received funding from notable investors such as Andreessen Horowitz, Mark Cuban, and Naval Ravikant.
Learn more about OpenSea
Size
100 employees
Industry

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