Senior​/Senior Frontend Engineer

Senior Staff / Senior Frontend Engineer

Sci Tec, 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.

Important Notice:
Sci Tec exclusively works on U.S. government contracts that require U.S. citizenship for all employees. Sci Tec cannot sponsor or assume sponsorship of employee work visas of any type. Further, U.S. citizenship is a requirement to obtain and keep a security clearance. Applicants that do not meet these requirements will not be considered.

We are seeking a Senior Staff / Senior Frontend Engineer to design, develop, and maintain user-facing web applications and support backend services for real-time data visualization. This role focuses on building reliable, visually intuitive, and high-performance applications that operate continuously in mission-critical environments.

The ideal candidate is a strong contributor with deep Type Script and React expertise, sound software engineering judgment, and the ability to collaborate across disciplines while influencing technical direction through example and mentorship.

• Design, develop, and maintain frontend software, including code, tests, and documentation
• Build and integrate User Interfaces and data pipelines for real-time data visualization
• Design, prototype, and implement user-centric interfaces that translate customer needs into intuitive solutions
• Maintain and improve 24/7 user-facing applications that display, manage, and monitor real-time data
• Identify and resolve software defects and security vulnerabilities
• Collaborate with team members during Agile ceremonies, including standups, sprint planning, and retrospectives
• Contribute to architectural discussions and technical design decisions
• Ensure adherence to software engineering best practices, including code quality, testing, and maintainability
• Support documentation and knowledge sharing across teams
• Perform other duties as assigned