Sr Staff / Senior Front End Software Engineer
Scitec Innovations
Boulder, CO · Posted October 28, 2026
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November 2026
- #1Best cities for pay after cost of living in the Mountain West$144k · of 11
- #2Best all-round cities for AI careers in the Mountain West82 / 100 · of 11
- #4Best cities for software and engineering jobs in the Mountain West233 openings · of 22
- #4Best all-round cities for new graduates in the Mountain West59 / 100 · of 11
- #4Best all-round cities for mid-career professionals in the Mountain West55 / 100 · of 11
- #5Best all-round cities for remote workers in the Mountain West57 / 100 · of 11
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
Among web developers, AI is already used for a large share of the tasks. Measured exposure for web developers: 48% (high).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
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About the job
SciTec, a Firefly Aerospace Company, 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: SciTec exclusively works on U.S. government contracts that require U.S. citizenship for all employees. SciTec 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 requirement will not be considered.
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.
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
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 obtain and maintain a DoD security clearance
Candidates who have any of the following skills will be preferred:
Experience with TypeScript
Experience with Docker, Kubernetes, Openshift, and CICD frameworks
Experience with Python, Unreal Engine and C++
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
*Resumes, Cover Letters, and Applications which are generated by AI will not be considered for employment.
Colorado Residents: In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.
Benefits
SciTec offers a highly competitive salary and benefits package, including:
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
The pay range for this position is $127,000- $193,000 / year. SciTec considers several factors when extending an offer of employment, including but not limited to the role and associated responsibilities, a candidate's work experience, education/training, and key skills. This is not a guarantee of compensation.
SciTec is proud to be an Equal Opportunity employer. VET/Disabled.