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Senior Javascript Researcher & Engineer

Come work with us

Are you an ambitious senior JavaScript researcher & engineer with interest for #cybersecurity? You will be part of our so called “continuous authentication” project where we use digital behavioural analytics in the browser to detect online (banking) fraud.

About ThreatFabric

For over a decade, experts at ThreatFabric have been fighting cyber threats targeting financial institutions. Our dedicated teams have conceived and developed custom analysis and detection solutions to simplify response to complex cyber threats. With a current focus on banking malware, our services provide security and fraud specialists from financial institutions worldwide the essentials to remain ahead of cyber criminals.

The position

You should have the ability to research, develop, manage, test, and deploy browser-based JavaScript code in the following areas:

  • Browser dynamics (port scanning, fingerprinting and remote access tool detection)
  • Keystroke, Mouse and scroll dynamics as part of behavioral analytics
  • Webinject detection engineering
  • Generic JavaScript engineering for detection purposes (research).

Your daily work is to collaborate with the behavior analytics tech team including backend engineers, data scientists and product managers.

You are expected to be able to work with minimal guidance as lead research and JavaScript engineer. Since you will be working in a startup environment, passion and motivation are key to success and pleasure at work.

Skills and qualifications

  • 6+ years relevant experience in JavaScript and or framework development
  • Familiar with Browser APIs needed for browser, mouse, keystroke, scroll dynamics.
  • Able to work with open-source development workflow using GIT
  • Excellent debugging and problem-solving skills
  • Knowledge of Docker is a nice to-have
  • Proficient English writing skills to document work and communicate project status
  • Be a team player and feel comfortable communicating and collaborating with other team members

What we offer

  • A competitive salary based on your skills and experience range from €80.000 - €100.000 per year.
  • Management of the Dutch 30% ruling tax facilities (eligibility on specific conditions)
  • Possibilities for both professional and personal development
  • Reimbursement of relocation costs (if applicable)
  • A job in which you can work on exciting security projects for leading organizations
  • An inspiring and comfortable working environment
  • Remote or Hybrid employment is possible if you have an EU-passport.
  • Are you interested? Mail us at

Please note: We do not accept unsolicited resumes from recruiters or employment agencies.