OpenSea

Staff Backend Engineer

United States

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$190,000 – $345,000Compensation

Junior (1 to 2 years)Experience Level

Full TimeJob Type

UnknownVisa

AI & Machine Learning, Crypto & Web3, Enterprise SoftwareIndustries

Requirements

Candidates must have at least 6 years of experience as a software engineer. Strong fluency in event-driven system design patterns using technologies like Kafka, Flink, and Debezium is required, along with proficiency in JVM languages such as Kotlin or Java. Additionally, candidates should have a strong understanding of database choice and schema design for scalable applications, and an intrinsic interest in leveraging new tools to enhance work efficiency and quality. A passion for blockchain technology, NFTs, and digital ownership is a significant plus.

Responsibilities

The Staff Backend Engineer will form, communicate, and execute a technical vision for the next generation of OpenSea’s architecture, focusing on scalable and event-driven patterns. They will write reliable, low latency marketplace infrastructure software capable of processing billions of dollars in transactions daily, including blockchain indexing systems and order management systems. The engineer will also raise the bar for best practices in building performant and event-driven systems, mentor and train team members, and act as an internal thought leader for architectural rigor.

Skills

Kafka

Flink

Debezium

Kotlin

Java

Event-Driven Systems

Database Design

REST API

Websocket API

OpenSea

Peer-to-peer marketplace for NFTs

About OpenSea

OpenSea operates a marketplace where users can buy, sell, and create non-fungible tokens (NFTs). The platform allows users to mint their own NFTs and offers a straightforward process for purchasing and selling these digital assets. OpenSea supports various blockchain networks, giving users flexibility in managing their NFTs. Unlike many competitors, OpenSea focuses on a user-friendly experience and strong security measures, making it accessible for artists, collectors, and investors alike. The company's goal is to simplify the NFT trading process and expand the accessibility of digital ownership.

Key Metrics

New York City, New YorkHeadquarters

2017Year Founded

$415.6MTotal Funding

SERIES_CCompany Stage

Consumer Software, Crypto & Web3Industries

501-1,000Employees

Benefits

Paid family leave - Whether you’re bonding with a new child or taking care of a family member, we understand you need this time off.

Health insurance - Your wellness is important. We've got you covered. Take care of yourself to come to work happy and healthy.

Flexible vacation policy - Sometimes we all need a break. Take one, take many. Just come back recharged and inspired.

Flexible hours - We know you have personal priorities to take care of. Take care of them and work on your own hours; we’re flexible.

Work from home - Avoid long commutes in and out of the office. Instead, work in the comfort of your own home and set-up.

Workshops & conferences - Attend relevant workshops and conferences to grow and develop. It’s our priority.

Travel & company retreats - As an international team, we take the time to meet up for company retreats.

Game nights - Once a month, we set work aside and play a game or two to bond as a team.

Risks

Public leak of over 7 million user emails increases phishing risks and potential scams.

Competition from NFT marketplaces like Magic Eden could divert traffic from OpenSea.

High-profile NFT projects on competing platforms may draw users away from OpenSea.

Differentiation

OpenSea supports multiple blockchain networks, offering diverse options for digital asset management.

The platform provides a user-friendly interface and robust security features for NFT transactions.

OpenSea has strong backing from prominent investors like Mark Cuban and Kevin Durant.

Upsides

OpenSea can leverage AI tools to enhance user experience and security measures.

The rise of Bitcoin Ordinals presents an opportunity for OpenSea to expand its offerings.

Growing interest in NFT-based gaming items suggests potential partnerships with gaming companies.

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