is looking for a Threat Researcher with deep understanding of modern web, browser security and strong core JavaScript development background to combat malvertising in an innovative, industry-changing way.

You will be working with a team of passionate engineers to help prevent malicious ads from making it to the user’s devices, while making the web a safer place. Ability to learn quickly, responsiveness, strong communication skills to explain difficult concepts in simple terms and analytical mindset will be at the heart of your job.


  • Research, reverse engineer and document malware samples,
  • Collaborate closely with the rest of the engineering team,
  • Work with internal analysis tooling and contribute to its continuous improvement,
  • Act as a scouting squad member, providing the means and methods to withstand the confrontation with malvertising.

Skills and character:

  • 1+ years of JavaScript development, 3+ years in total is preferable,
  • Strong core JavaScript knowledge, or expert in at least one lower-level (e.g. C-like) language with passion to learning,
  • Extreme attention to details with strong analytical abilities and problem-solving skills,
  • Strong refactoring skills, meaning understanding the execution flows, side effects, implications and intentions of the code being inspected,
  • Fast debugging skills,
  • Familiarity with front-end environment: DOM, events, XHR, WebSockets, etc.
  • Finally, laziness — to bring up ideas for getting more and more things done automatically.

About you:

  • You are passionate about a culture of learning and teaching. You love challenging yourself to constantly improve, and sharing your knowledge to empower others
  • You like to take risks when looking for novel solutions to complex problems. If faced with roadblocks, you continue to reach higher to make greatness happen
  • You care about solving big, systemic problems. You look beyond the surface to understand root causes so that you can build long-term solutions for the whole ecosystem
Job Category: Engineer
Job Type: Full Time
Job Location: Baltimore

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