SciTec · 18 hours ago
Sr Staff / Senior Front End Software Engineer
Boulder, CO
Full-time
Onsite
Senior Level, Lead/Staff
$120K/yr - $175K/yr
5+ years expSciTec, a subsidiary of Firefly Aerospace, is a defense contractor focused on delivering advanced technologies for U.S. National Security. They are seeking a Senior Front End Software Engineer to design and build user-facing web applications that present complex, real-time data, ensuring performance and usability for mission-critical systems.
AerospaceConsultingInformation Technology
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
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
Qualification
Required
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
Preferred
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
Benefits
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
Flexible Work Hours
Company
SciTec
The world brings ever-evolving challenges; SciTec builds solutions.
201-500 employees
Funding
Current Stage
Growth StageTotal Funding
unknown2025-10-05Acquired
Leadership Team
David Simenc
President
Recent News
Tech Startups - Startups and Technology news
2025-10-07
2025-09-05
Company data provided by crunchbase