28 Jul, 2021

Full Stack Javascript Developer (m/f)

  • Passbolt SA
  • Remote (Luxembourg or remote in EU timezone)
Full time (permanent contract) Programming / IT

Job Description

We are looking for a Full Stack Javascript Developer to help us design, develop and maintain the multiple Passbolt UI components such as the browser app, browser extension, Passbolt CLI, or even our javascript sdk. Your primary focus will be the front-end logic, ensuring an outstanding user experience coupled to a high level of security throughout the application. 


The Full Stack Javascript Developer will be responsible for developing elegant UI / UX solutions to complex and modern security problems such as public / private key cryptography management in the browser. 


The Full Stack Javascript Developer will learn our technical stack and intervene on our various products: Passbolt CE, Passbolt CLI, Passbolt Pro and Passbolt Cloud. You and your team will be responsible for shipping the features that are requested by our community of users while maintaining an outstanding level of quality throughout the process. After you gain expertise and product knowledge, you’ll help us think about innovative approaches to complex technical problems, develop ways to make our most demanding community members happy, and cultivate a reputation of excellence throughout a vast community of developers.


Here are some examples of current and upcoming work:

  • An advanced dashboard for passbolt administrators, with usage reports and statistics.
  • The enhancement of Passbolt CLI, along with the development of the javascript SDK.
  • A desktop application.

Main responsibilities

Development & Testing 


  • Implement new features in Javascript, following the industry best practices and standards. Ensure that your code is simple, readable, and elegant. We believe that there is beauty in simplicity.
  • Implement Front-end / React components following a state of the art process:
    • Convert wireframes components (Figma or others) into elegant HTML / CSS. 
    • Transform HTML / CSS into React / styleguide components (StoryBook or others).
    • Write unit tests following industry standards (target: 70%).
    • Implement styleguide components into Passbolt Applications following continuous testing / deployment processes.
  • Focus on user experience, performances, and compatibility throughout a multitude of platforms and environments. Passbolt should remain  a versatile software.
  • Manage individual project priorities, deadlines and deliverables.
  • Maintain existing code. Improve it. Fix bugs.
  • Write functional and unit tests in order to perform predictable product build and rapid release cycles.
  • Own your code and commit it with your own Github account (Passbolt is an open source project published in AGPL v3).
  • Be obsessed with the quality of your code. Passbolt is a software written by developers, for developers. 


Architecture, analysis & design 


  • Participate to the software analysis and design in order to provide detailed functional and technical specifications;
  • Suggest long term structural or architecture improvements. Submit business cases supporting the request for changes  and discuss them with the technical team.
  • Collaborate with / coach your fellow front-end developers and help them achieve their goals while following the coding standards.



  • Share back findings, lessons learned and best practices with the team and community by writing blog posts on the company blog and participating in online and offline events.
  • Interact with community members, understand their pain points and suggest improvements.
  • Contribute to maintaining our extensive online documentation : JSON API, SDK, etc..

Required skills

  • 3+ years experience in Javascript / Node / React.
  • Good HTML / CSS knowledge and an interest in using it right.
  • A knack for good UI / UX.
  • Strong understanding of web application development security risks and best practices.
  • Experience working using design systems and frameworks (example: StoryBook).
  • Experience developing web extensions or mobile applications.
  • Fluent in English, both verbal and written and preferably one other language.
  • Comfortable working in full autonomy.

Nice to Have

  • Experience with PHP/node.js application development and testing. 
  • Experience as maintainer or core contributor of an open source project.


  • HTML / CSS / CSS preprocessors
  • Javascript / Node / React
  • StoryBook
  • Git, Linux, Docker.


To apply, send your resume and motivations to careers@passbolt.com, mentioning the job reference in the subject: PB-FRONTEND-LUX