Backend Engineer, NFTs

Kraken | Take your crypto to the next level with Kraken


As one of the largest and oldest Bitcoin exchanges in the world, Kraken is consistently named one of the best places to buy and sell crypto online, thanks to our excellent service, low fees, versatile funding options and rigorous security standards -- but this is only part of the story. We’ve been on the forefront of the blockchain revolution since 2011.


San Francisco, CA, USA


Job Description

About Kraken
As one of the largest and most trusted digital asset platforms globally, we are empowering people to experience the life-changing potential of crypto. Trusted by over 8 million consumer and pro traders, institutions, and authorities worldwide – our unique combination of products, services, and global expertise is helping tip the scales towards mass crypto adoption. But we’re only just getting started. We want to be pioneers in crypto and add value to the everyday lives of billions. Now is not the time to sit on the sidelines. Join us to bring crypto to the world.
About the Role
Our Engineering team is having blast building the most innovative cryptocurrency platform in the industry and we are looking for a Backend Engineer, NFTs to help us build an industry leading NFT marketplace. NFTs are one of hottest topics in the cryptocurrency industry and this opportunity will afford you the ability to work on the cutting edge with our team of subject matter experts!


    • Integrating NFTs (non-fungible tokens) from various blockchains into our platform
    • Own, develop and maintain NFT services
    • Writing reusable, testable, and efficient code
    • Design and implementation of low-latency, high-availability, and performant applications
    • Implementation of security and data protection systems
    • Write highly scalable, high volume services
    • Create optimized database schemas


    • 3+ years of experience as a backend developer
    • Experience minting or interacting with non-fungible tokens (NFTs) on blockchains such as Ethereum, Solana, Flow or Tezos
    • Familiarity with NFT standards like ERC-721, ERC-1155, or Metaplex is desired
    • Strong proficiency with Node.js, Typescript and various frameworks
    • Ability to handle the DevOps side of production services using tools like Docker
    • Understanding the nature of asynchronous programming and its quirks and workarounds
    • Understanding accessibility and security compliance
    • Understanding user authentication and authorization between multiple systems, servers, and environments
    • Understanding fundamental design principles behind a scalable application
    • Experience with automated testing platforms and unit tests
    • Proficient understanding of code versioning tools, such as Git
We’re powered by people from around the world with their own unique and diverse experiences. We value all Krakenites and their talents, contributions, and perspectives, regardless of their background.
As an equal opportunity employer we don’t tolerate discrimination or harassment of any kind. Whether that’s based on race, ethnicity, age, gender identity, citizenship, religion, sexual orientation, disability, pregnancy, veteran status or any other protected characteristic as outlined by federal, state or local laws.
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