Senior Frontend Engineer

HavocAI

7d • $150,000 - $175,000

About The Position

Havoc is seeking a Senior Frontend Engineer to build and scale the user interfaces that power their platform. In this role, you will develop high-performance, data-driven web applications, including map-based and visualization-heavy interfaces. You will work closely with backend, platform, product, and design teams to deliver reliable, scalable frontend systems that handle real-time data and complex workflows. This role is ideal for someone who is deeply technical, performance-focused, and excited about building systems that operate in real-world, mission-critical environments.

Requirements

• 5–8+ years of experience in frontend engineering or related software engineering roles
• Strong expertise in React and modern JavaScript or TypeScript
• Experience building data-driven, high-performance web applications
• Experience working with APIs and asynchronous data flows
• Strong understanding of frontend architecture, state management, and performance optimization
• Experience with modern frontend tooling, build systems, and development workflows
• Ability to build reliable interfaces for complex workflows and data-rich applications
• Strong technical judgment and ability to operate independently in fast-moving environments
• Strong written and verbal communication skills
• U.S. citizenship and ability to obtain and maintain a security clearance

Nice To Haves

• Experience building map-based or geospatial applications using tools such as Mapbox, Leaflet, or Deck.gl
• Familiarity with WebGL or advanced visualization frameworks
• Experience with automated testing frameworks such as Jest, Cypress, or similar tools
• Understanding of design systems and reusable component architecture
• Experience with real-time systems, data streaming applications, or operational dashboards
• Experience supporting mission-critical, real-world deployed systems
• Experience working in small, fast-moving engineering teams or high-growth technology companies
• Active or prior security clearance

Responsibilities

• Develop scalable, performant user interfaces using React
• Implement complex workflows and UI components for data-rich applications
• Build interfaces that support real-time data, operational decision-making, and mission-critical workflows
• Deliver intuitive, reliable user experiences for complex technical systems
• Integrate frontend systems with backend services using REST, GraphQL, or similar APIs
• Optimize rendering performance for large datasets and real-time updates
• Ensure responsive, reliable performance across devices, browsers, and operating environments
• Support frontend performance monitoring, debugging, and continuous improvement
• Contribute to frontend architecture, including state management, data flow, and application structure
• Build and maintain reusable component libraries and UI systems
• Write clean, testable, maintainable, and well-documented code
• Improve frontend reliability, scalability, and developer experience over time
• Partner with backend, platform, product, and design teams to deliver end-to-end features
• Collaborate with UX/design to ensure high-quality implementation and usability
• Participate in code reviews, design discussions, technical planning, and roadmap execution
• Help align frontend capabilities with product, platform, and mission needs

Benefits

• 100% Employer paid Health, Dental and Vision Insurance for you and your families
• Life Insurance (Employer Paid)
• Ability to participate in the companies 401k program (Matching)
• Unlimited PTO policy with an enforced 2 week minimum
• Equity Package
• Work / Home Office Stipend
• Global Entry
• 16 Week Paid Parental Leave
• Monthly Health and Wellness Stipend

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed