Staff Backend Engineer

OpenSea is the gateway to web3’s next chapter—where NFTs, fungible tokens, and emerging digital assets converge to create open, userowned 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: handson, fastmoving, and deeply committed to shipping meaningful work. Were remotefirst by design, AIempowered 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 talentdense team shaping the future of crypto.

Were looking for an ambitious, detailoriented Staff Backend Engineer with an enthusiasm for building and scaling featurerich, welltested, and polished applications with modern technologies. This individual will spearhead core features of the OpenSea 2.0 backend.

Responsibilities

• Form, communicate, and execute on a technical vision for the next generation of OpenSea’s architecture that leverages highly scalable and eventdriven patterns

• Write reliable, low latency marketplace infrastructure software that will eventually process billions of dollars a day worth of transaction volume, including highly performant blockchain indexing systems, order management systems at scale, and REST & Websocket API endpoints

• Raise the bar for internal understanding of best practices in building highly performant & eventdriven systems with “live” characteristics

• Mentor and train other team members and act as an internal thought leader and agitator for architectural rigor and cleanliness

• Requirements

  • At least 6 years of experience as a software engineer

  • Strong fluency in eventdriven system design patterns, leveraging technologies such as Kafka, Flink, and Debezium, as well as distributed systems more generally

  • Strong fluency in JVM languages like Kotlin or Java

  • Strong fluency and opinionated in database choice and schema design for highly performant and scalable applications

  • Intrinsic interest in leveraging new tools (e.g. AI) to increase work efficiency and quality

  • Passion for (blockchain) technology, NFTs, and the potential of digital ownership is a huge plus

  • The base salary for this fulltime position in the United States, spanning multiple internal levels depending on qualifications, ranges between $190,000 to $345,000 plus benefits & equity. Compensation for internationally based candidates will vary to reflect local market conditions.

    If you dont think you meet all of the criteria above but still are interested in the job, please apply. Nobody checks every box, and were looking for someone who is excited to join the team.

    #LIRemote

    Benefits & Perks

    🏥 Health Benefits: We cover 100% DentalVisionMedical 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 theyd like to refresh so long as it doesnt 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

    📱 InternetMobile Reimbursement Plan

    🧘 Reimbursement or Monthly Snack Delivery

    ✈ Company & Team retreats to get together for fun and collaboration

    ☕ Team Member CoWorking and Gathering Expense

    🖥 MacBook Pro & WFH Stipend to make sure you are set up for success

    🌯 Weekly $50 Uber Eats credit

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    Please be aware that OpenSea participates in EVerify to confirm employment eligibility.