Front End Engineer at Halcyon Technologies at Halcyon Technologies

4 weeks ago Development & Programming Senior Full-Time

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Halcyon is the industry’s first dedicated, adaptive security platform that combines multiple proprietary advanced prevention engines along with AI models focused specifically on stopping ransomware.

Who we are:

Halcyon was formed in 2021 by a team of cyber industry veterans after battling the scourge of ransomware (and advanced threats) for years at some of the largest global security vendors. Comprised of leaders from Cylance (now Blackberry), Accuvant (now Optiv), Fireye and ISS X-Force (now IBM), Halcyon is focused on building products and solutions for mid-market and enterprise customers.

As a remote-native, completely distributed global team, we recognize great talent can exist anywhere. We invite you to apply to a job you’re interested in and we’ll work a plan to meet your needs.

The Role:

Halcyon’s goal is to deliver an anti-ransomware solution that breaks new ground as to what a security product can deliver. Aligned with this goal, Halcyon is looking for an experienced UI developer and software engineer to contribute to our Cloud Engineering Team and specifically the user interface for the Halcyon anti-ransomware solution. Our cloud applications, including the user interface, provide our customers with visibility into the activity across their fleet of deployed endpoints and allow them to take action across the fleet.


  • Technology Proficiency: Implement solutions and workflows for our users using Next.js 14+, Vercel, React 18+, Node 20+, MUI v5, and MUI-X v6.
  • Automated Testing: Implement automated tests of your code using Playwright
  • Collaboration with Design and Product Teams: Work closely with designers and product managers. Align UI design with product vision and user needs, ensuring consistency across platforms.
  • Interface with Backend Teams: Coordinate with API and backend developers. Ensure that UI components and backend services are seamlessly integrated, focusing on API usability and user experience.
  • Innovation and Continuous Improvement: Continuously explore new techniques and tools to improve UI design and development processes. Encourage innovation within the team.

Skills and Qualifications:

  • Experience building enterprise quality user interfaces with React
  • Ability to collaborate with designers and product managers to create the best user experience possible

Bonus Skills and Qualifications:

  • Experience with Next.js and Vercel
  • Experience with React Server Components and React Server Actions
  • Experience writing end to end tests for web applications
  • Experience with MUI and MUI-X
  • Experience with AWS infrastructure


  • Halcyon offers the following benefits to eligible employees:
  • Comprehensive healthcare (medical, dental, and vision) with premiums paid in full for employees and dependents.
  • 401k plan with a generous employer contribution.
  • Short and long-term disability coverage, basic life and AD&D insurance plans.
  • Medical and dependent care FSA options.
  • Flexible PTO policy.
  • Parental leave.
  • Generous equity offering.

The Company reserves the right to modify or change these benefits programs at any time, with or without notice.

Base Salary Range: $130,000 – $180,000

Bonus Target: 10%

In accordance with applicable state and federal laws, the range provided is Halcyon’s reasonable estimate of the base compensation for this role. The actual amount may differ based on non-discriminatory factors such as experience, knowledge, skills, abilities, and location. Base pay is one part of the total package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives, and equity in the Company.


Please mention the CleverJobs when you apply.

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