(Senior) Web3 Front End Engineer

  • Qubit9 GmbH
  • Hamburg, Germany
  • Sep 13, 2021
Full time Engineering Engineering - Frontend Engineering - Mobile

Job Description

Qubit9 is the next big thing of Kai & Christian Wawrzinek, two of Germany’s most successful entrepreneurs. After leaving Goodgame Studios more than 10 years after we started it, we have teamed up with the best people to think even bigger - this time as part of the decentralised web / Blockchain revolution. We love the challenge of building something new with the potential to change the world. Do you want to join?

Reinvent the internet! We believe that decentralized technologies will be disruptive and a driving force in creating a new global system in finance, IoT, health and many more areas. We bring successful entrepreneurs and developers together to launch & scale disruptive, decentralized applications. We aim to build one of the most impactful teams in crypto right here in Hamburg, Germany. 

We are looking for a rockstar in React, including some design experience. You make sure designs are translating into the frontend, are obsessed with having a pixel perfect UI and are passionate about constantly improving UX.As an early member, you’ll have a large say in the future of the product and can shape the company culture.


    • Rapidly implement functional UI elements from design mocks
    • Bootstrap, iterate on, and own primary interfaces
    • Know when to create abstractions vs. one-off features
    • Ensure that components are functional, elegant, performant, re-usable and mobile-friendly
    • Ensure code quality and software reliability through automated tests, UI/UX testing and processes
    • Build out frontend application(s) using React, interacting with backend and smart contracts
    • Integrate with various APIs to enhance the DApp’s functionality


    • Strong experience with React (including hooks, JavaScript or Typescript), SCSS & other styling implementations
    • Familiarity with modern software architecture techniques for building modular and testable applications
    • Prior experience with responsive design and mobile applications
    • Experience with web3 libraries (ethers.js, web3.js)
    • You can work with high autonomy
    • Strong written and verbal communication skills
    • Attitude of continuous improvement

Bonus Qualifications

    • Autonomous & Self Starting: You proactively seek to understand the scope of the current mission & all its requirements. You read documentation, source code, and consult with protocol maintainers to deliver results.
    • Detail & Security Oriented Thinking: You stay up to date with the latest releases & best practices.
    • Crypto Expertise: You are familiar with decentralized web challenges, how this impacts your own area of expertise as well as ecosystem tools & techniques.
    • Empathetic Mentor: You are an empathetic mentor, and enjoy sharing your knowledge & learnings with other motivated developers.
    • Excellent written & verbal communicator: You have excellent written and verbal communication skills. You are able to succinctly & clearly communicate your ideas.

Please submit your LinkedIn profile and/or CV.Add relevant certificates, recommendation letters and/or anything you deem relevant.