Senior JavaScript FullStack Developer

  • R. Alfredo Allen 455, 4200-135 Porto, Portugal
  • Full-time

Company Description

Jscrambler is growing at a fast-pace fueled by the success of recognized web security products. Jscrambler applies security layers to web applications, granting self-defensive capabilities that enable them to fight any fraud, reverse-engineering or tampering attempts, avoiding data leakage and damages to the customer reputation.

Our team of highly skilled and trained professionals is the driver for this success, continuously adding R&D to guarantee high quality and state-of-the-art Javascript software, critical to the mission our customers entrust us. If you are passionate about JavaScript software development, using the latest technologies and methodology, in a creative and open-minded environment, then we want you on our team!

Job Description

We are looking for a Senior Javascript FullStack Developer to join our high performing development organization. As part of our team, you will play a key role in helping us deliver quality products that exceed customer expectations. You will participate in a team along the development lifecycle and contribute from conception to production delivery.


  • Actively participate in the product architecture and specification
  • Design and implementation using our current stack (Node.js, MongoDB, React/Redux, graphQL)
  • Ensure the quality of the developed code
  • Participate in the agile development process


  • Bachelor Degree in Computer Engineering or similar discipline; or, equivalent demonstrable experience
  • 5+ years experience working as a Software Engineer, with a strong emphasis on Web Technologies
  • At least 2 years experience in:
    • JavaScript, both BackEnd (Node.JS) and FrontEnd (React or other similar frameworks)
    • JavaScript test tools like Mocha and Jest
    • Build tools like Webpack, Grunt and Gulp
    • Relational databases like PostgreSQL and NoSQL databases, particularly MongoDB, and Redis

 Skills and Attributes

  • Deep knowledge of HTTP protocol and end-to-end workflow
  • Experience in Security/Application Security is valued
  • Experience in Agile methodologies is valued
  • Fluent in English

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