Staff iOS Engineer

Team

Join OpenSea, 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 crypto, you'll shape the mobile experience for millions of users discovering and trading digital assets. Remote-first by design, AI-empowered by default, with a small but mighty team.

Responsibilities

• Take a major role in the design and development of the OpenSea iOS app, driving a modern, scalable, and maintainable codebase primarily built with SwiftUI and MVVM architecture
• Collaborate closely with product, design, and engineering teams to build seamless, user-friendly mobile experiences for millions of users
• Take ownership of features from conception through deployment
• Contribute to the architecture and evolution of the mobile codebase, including cross-platform components where applicable
• Integrate with GraphQL APIs and implement real-time data updates to deliver dynamic and responsive user interfaces
• Advocate for and adopt AI-assisted development tools to accelerate productivity and improve code quality
• Help shape the future direction of OpenSea's mobile platform by providing technical leadership and innovative solutions

Requirements

• Deep expertise in Swift and SwiftUI, with solid understanding of MVVM architecture and modern iOS frameworks
• Experience working with Kotlin Multiplatform Mobile (KMP) and enthusiasm for contributing to cross-platform shared code
• Solid understanding of developing API-driven mobile apps across REST and GraphQL
• Strong systems engineering skills and generalist mindset to tackle both frontend and backend challenges within mobile development
• Hands-on experience with real-time data updates and complex UI interactions
• Proven track record of adopting and leveraging AI tools to accelerate development productivity
• Comfortable working in fast-paced, collaborative environment with focus on shipping polished features
• Prior experience in fintech or crypto-related products preferred
• High ownership mentality

Benefits

• 100% Dental/Vision/Medical for employees, 90% for dependents
• Flexible Time Off Policy
• 16 Weeks Paid Parental Bonding + up to 8 additional weeks for birthing parent
• Spring Health mental health access (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
• Co-working and gathering expense
• MacBook Pro & WFH Stipend
• Weekly $50 Uber Eats credit
• Remote-first culture
• AI-empowered development environment
• Work on cutting-edge web3/crypto technology at scale
• Opportunity to shape mobile gateway bringing users onchain