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Senior Software Engineer, Frontend



Software Engineering
United States · Remote
Posted on Tuesday, April 30, 2024

As the world's first and largest NFT marketplace, OpenSea is pioneering a new frontier where art, games, technology and commerce converge in fascinating and unprecedented ways. Our platform empowers millions of creators, collectors and developers to easily showcase, discover, buy and sell unique digital items.

We’re a team of rigorous problem solvers, visionary futurists, proactive doers and effective communicators. As a remote-first company, we enable our team members to work from anywhere, while making time to come together as a team to collaborate and connect in person throughout the year.

In this role, you will work closely with Product, Design and the rest of Engineering to craft phenomenal buyer, seller and creator experiences with a focus on performance, scale and finesse. You will work on the core web product helping us scale the web platform to a global audience. You will lead large initiatives to drastically improve web performance, build i18n infrastructure, A/B testing infrastructure and several accessible UI primitives. If you’re excited to work at a company that is building and shaping the future of marketplaces to empower creators and collectors, welcome to OpenSea.


  • Help shape the team’s vision and roadmap, guide and mentor your peers, and lead by example.

  • Define long term technical roadmap for the team and contribute to technical decisions day to day.

  • Architect efficient and reusable front-end systems that drive complex web applications.

  • Identify & improve web performance bottlenecks.

  • Lead complex web platform efforts including accessibility, internationalization involving many engineers.

  • Provide technical mentorship to peers.

  • Implement the features and user interfaces of OpenSea web.

Desired Experience

  • Mastery of TypeScript, React and HTML/CSS experience, including concepts like layout, specificity, cross browser compatibility, and accessibility.

  • Experience with browser APIs and optimizing front end performance.

  • Extreme design-oriented detail orientation and demonstrably good sense of craft.

  • Opinionated, autonomous, and proactive.

  • Familiarity or experience with blockchain tech not strictly required, but a strong genuine curiosity & enthusiasm for the technology is required.

  • Strong customer empathy; you think critically of how our features impact our community, users, and business.

The base salary for this full-time position, which spans across multiple internal levels depending on qualifications, ranges between $160,000 to $305,000 plus benefits & equity.

If you don't think you meet all of the criteria below 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.