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    Lead Backend Engineer

    FingerprintJS

    Warszawa
    Type of work
    Undetermined
    Experience
    Senior
    Employment Type
    B2B
    Operating mode
    Remote

    Tech stack

      API

      master

      Node.js

      advanced

      Golang

      regular

      English

      regular

      Cryptography

      nice to have

    Job description

    FingerprintJS empowers developers to solve online fraud at the source.

    We are a 100% remote company with a strong open-source culture.

    Our flagship open source project is FingerprintJS (14K stars on GitHub).

    We work on turning radical new ideas in the fraud detection space into reality. Our products are developer-focused and our clients range from solo developers to publicly traded companies.

    Recently we raised $12M, backed by Nexus VP (previously invested in Postman, Hasura) and Uncorrelated Ventures (previously invested in Redis, Rollbar & Gradle).

    We’re looking for an experienced backend engineer to help us build a high accuracy online fraud prevention service. Someone who has experience building fast systems and APIs.

    What we’re looking for 👀:
    • Proven experience of API architecture and implementation.
    • Good understanding of networking protocols.
    • Experience building scalable infrastructure.
    • Good understanding of relational and NoSQL databases.
    • Excellent understanding of Internet security & privacy mechanisms.
    • Cloud experience.

    Ideally we would love to have someone who also has:
    • Historical record of open-source contributions.
    • Security / Cryptography background.

    Don’t be afraid to apply even if you’re missing a few bullet points in there!

    Our stack:
    • Golang and NodeJS
    • AWS (Lambda, Elastic Beanstalk, RDS, DynamoDB).
    • PostgreSQL.
    • Docker.

    What we offer:
    • 100% remote position (UTC-8 to UTC+4) 🌐.
    • Small team, lean hierarchy and no politics.
    • Budget for learning. We want you to grow with us, so we offer a $600 yearly budget that you can spend to learn new stuff (books, conferences, subscriptions, etc.).
    • Freedom to grow and experiment. Work on open-source projects and try new things and ideas.
    • Ability to influence the product development and quickly grow within the company.
    • Stock options 📈

    To apply, send your CV with your GitHub profile and an answer to the question below:

    • How would you represent a mathematical vector? Please provide a basic implementation that supports core operations (cross product, dot product etc).

    Any applications that don't answer the question will be ignored due to the high volume of applications and lack of ability of candidates to fully read the job description :)

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