This list contains only the countries for which job offers have been published in the selected language (e.g., in the French version, only job offers written in French are displayed, and in the English version, only those in English).
SciTec, a wholly owned subsidiary of Firefly Aerospace, is a dynamic non-traditional defense contractor that delivers advanced technologies in support of U.S. National Security and Defense. For the past forty-five plus years, we have supported Department of Defense customers by developing innovative remote sensing algorithms, tools, and techniques to deliver world-class data exploitation capabilities supporting missile defense; intelligence, surveillance, & reconnaissance; space domain awareness; and aircraft survivability missions. We are seeking a Front End Software Engineer to design and build user-facing web applications that present complex, real-time data in a clear, reliable, and intuitive way. This role focuses on modern frontend development, performance, and usability for mission-critical systems that operate continuously. The ideal candidate is a strong frontend engineer who cares deeply about code quality, user experience, and system reliability, and who works effectively alongside backend, platform, and systems engineers.
Job Responsibility:
Design, develop, and maintain frontend web applications using modern JavaScript frameworks
Build responsive, intuitive, and performant user interfaces for real-time or near-real-time data
Collaborate with backend and platform engineers to integrate APIs and data services
Translate user and customer needs into clear UI designs and technical implementations
Ensure frontend applications are reliable, maintainable, and testable
Identify and remediate UI bugs, performance issues, and security concerns
Participate in code reviews, design discussions, and Agile ceremonies
Contribute to frontend architecture decisions, including state management and component design
Write and maintain automated frontend tests
Support documentation and knowledge sharing across teams
Perform other duties as assigned
Requirements:
Bachelor’s degree in Computer Science, Engineering, Mathematics, Physical Sciences, or a related technical field
5+ years of professional experience developing frontend web applications
Strong proficiency in JavaScript and modern frontend frameworks such as React
Experience with HTML5, CSS3, and responsive design
Experience integrating frontend applications with REST or similar APIs
Familiarity with frontend build tooling and package management
Experience working in Linux environments and using Git
Strong understanding of frontend architecture, modular design, and maintainability
Attention to detail and commitment to high-quality, well-tested code
Strong verbal and written communication skills
Ability to work in person at the Boulder, CO office
Ability to obtain and maintain a DoD security clearance
Nice to have:
Experience with TypeScript
Experience building data-rich or real-time user interfaces
Experience with state management libraries (Redux, Zustand, etc.)
Experience with frontend testing frameworks (Jest, Testing Library, Playwright, Cypress)
Familiarity with design systems and component libraries
Experience with data visualization or geospatial tools (e.g., D3, Cesium, WebGL)
Experience working in Agile software development environments
Experience collaborating with UX/UI designers
Active DoD security clearance
What we offer:
4% Safe Harbor 401(k) match
100% company paid HSA Medical insurance, with a choice of 2 buy-up options
80% company paid Dental insurance
100% company paid Vision insurance
100% company paid Life insurance
100% company paid Long-term Disability insurance
Short-term Disability insurance
Annual Profit-Sharing Plan
Discretionary Performance Bonus
Paid Parental Leave
Generous Paid Time Off, including Holiday, Vacation, and Sick Pay