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Staff iOS Engineer

opensea.io Logo

OpenSea

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Location:
United States

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

180000.00 - 270000.00 USD / Year

Job Description:

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. 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. We're looking for a Staff iOS Engineer to join OpenSea to shape the mobile experience for millions of users discovering and trading digital assets. Mobile is critical to to our next phase of growth, and this role will level up our investment & expertise in delivering world-class iOS experiences. You will own iOS development end-to-end: from architecture and feature development to performance optimization and AI-assisted tooling, building the mobile gateway that brings users onchain.

Job Responsibility:

  • Take a major role in the design & development of the OpenSea iOS app
  • Collaborate closely with product, design, and engineering teams
  • Take ownership of features from conception through deployment
  • Contribute to the architecture and evolution of the mobile codebase
  • Integrate with GraphQL APIs and implement real-time data updates
  • Advocate for and adopt AI-assisted development tools
  • Help shape the future direction of OpenSea's mobile platform

Requirements:

  • Deep expertise in Swift and SwiftUI
  • Solid understanding of MVVM architecture and modern iOS frameworks
  • Experience working with Kotlin Multiplatform Mobile (KMP)
  • Solid understanding of developing API-driven mobile apps across REST & GraphQL
  • Strong systems engineering skills and a generalist mindset
  • Hands-on experience with real-time data updates and complex UI interactions
  • Proven track record of adopting and leveraging AI tools
  • Comfortable working in a fast-paced, collaborative environment
  • Prior experience in fintech or crypto-related products preferred
  • High ownership mentality
What we offer:
  • 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

Additional Information:

Job Posted:
December 11, 2025

Employment Type:
Fulltime
Work Type:
Remote work
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