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ABOUT US: Havoc is a leader in all-domain collaborative autonomy. Its software-defined hardware approach powers military and commercial-grade autonomous systems across sea, air, and land to sense, decide, and act together in complex and contested environments. Havoc connects assets, enabling them to share information, adapt in real time, and continue operating even when communications are disrupted or denied. Havoc optimizes mission performance and minimizes human risk. Havoc was founded in 2024 and headquartered in Providence, Rhode Island. Learn more at Havoc: All-Domain Collaborative Autonomy http://havocai.com/ . ABOUT THE ROLE We are seeking a Frontend Engineer to help build and scale the user interfaces that power our platform. In this role, you will develop 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 frontend systems that support real-time data, complex workflows, and operational decision-making. This role is ideal for someone who has strong frontend fundamentals, enjoys building practical user experiences, and is excited to contribute to systems that operate in real-world, mission-critical environments. KEY RESPONSIBILITIES FRONTEND SYSTEMS DEVELOPMENT - Develop performant user interfaces using React - Build and maintain UI components for data-rich applications - Support interfaces that handle real-time data, operational workflows, and mission-critical use cases - Deliver intuitive, reliable user experiences for complex technical systems DATA INTEGRATION & PERFORMANCE - Integrate frontend applications with backend services using REST, GraphQL, or similar APIs - Support rendering performance improvements for large datasets and real-time updates - Help ensure responsive, reliable performance across devices, browsers, and operating environments - Debug frontend issues and contribute to ongoing performance improvements ARCHITECTURE & MAINTAINABILITY - Contribute to frontend architecture, including state management, data flow, and application structure - Build and maintain reusable components and UI patterns - Write clean, testable, maintainable, and well-documented code - Follow established engineering standards and contribute improvements over time CROSS-FUNCTIONAL COLLABORATION - Partner with backend, platform, product, and design teams to deliver end-to-end features - Collaborate with UX/design to implement high-quality, usable interfaces - Participate in code reviews, design discussions, technical planning, and roadmap execution - Communicate progress, tradeoffs, and technical considerations clearly QUALIFICATIONS - 3–5+ years of experience in frontend engineering or related software engineering roles - Strong experience with React and modern JavaScript or TypeScript - Experience building data-driven web applications - Experience working with APIs and asynchronous data flows - Solid understanding of frontend architecture, state management, and performance considerations - Experience with modern frontend tooling, build systems, and development workflows - Ability to build reliable interfaces for complex workflows and data-rich applications - Strong problem-solving skills and ability to work in a fast-moving environment - Strong written and verbal communication skills - U.S. citizenship and ability to obtain and maintain a security clearance PREFERRED SKILLS - Experience building map-based or geospatial applications using tools such as Mapbox, Leaflet, or Deck.gl http://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 su