Sr. UI Developer

About The Team

King and Union is making the threat intelligence process run more smoothly and help organizations share threat data better. Our solution pulls threat information (both our own and via external APIs) into a graph and enables real-time collaboration and sharing of the information on the graph.


  • Update and maintain the existing UI code for customer-facing threat intelligence application
  • Work with backend developers to build new features and expand existing ones
  • Work with team to tune design and layout, and propose new designs for new features
  • Build off of customer feedback to tune user experience


  • Mid-tier to advanced understanding of React/Microcosm/Material
  • Experience building and maintaining web applications
  • Experience working with REST APIs and WebSockets
  • Experience with HTML/CSS layout and design


  • Early round shares
  • Competitive salary
  • 401k & healthcare benefits
  • Ability to work from home

Please include a link to your GitHub or other demonstration of your experience.

Job Type: Full-time

Required experience:

  • UI Development: 3 years

About King & Union

King & Union is a cybersecurity company based in Alexandria, Va., that has built and designed Avalon, a cyber analysis collaboration platform. Visit King & Union at or email for more information.

King & Union is an Equal Opportunity Employer. All applicants are considered for employment without regard to race, color, religion, sex, age, ancestry, national origin, disability, veteran status or any other characteristic protected by federal, state or local laws.

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