Frontend Developer Government Jobs in Colorado (NOW HIRING)

Job Title: Senior Software Developer, Front-end Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local Anticipated Posting End: 9/20/2026 The Opportunity: We are seeking a skilled Software Developer to join our team working on the Makalu Team. This role involves building and maintaining highly used and critically important cloud-native applications that provide Situational Awareness and Collaboration capabilities. The ideal candidate will have a strong background in JavaScript development, along with experience in modern software development practices and cloud technologies. The role requires an active TS/SCI clearance and a commitment to maintaining the highest standards of security in all aspects of work. Responsibilities: * Design, develop, and maintain highly intuitive cloud-native applications using JavaScript and TypeScript
* Write efficient code that can adequately address concurrency and near real time needs.
* Collaborate with cross-functional teams in an Agile environment
* Ensure code quality through testing and code reviews
* Stay updated with the latest industry trends and cloud technologies
* Participate in Agile ceremonies and contribute to continuous improvement efforts Qualifications: Required: * Proficiency in JavaScript and Typescript
* Experience developing in a Linux environment
* Active Top Secret SCI clearance and a recent polygraph preferred
* Either a Bachelor's degree in Computer Science, or graduation from an accredited coding bootcamp
* Minimum of 7 years of professional software development experience
* Must have or be willing to obtain Security+ certification
* Strong knowledge of JavaScript programming languages
* Experience with software development best practices and methodologies
* Demonstrated ability to lead technical initiatives and mentor junior developers
* Strong system design and architecture skills Desired: * Track record of successful delivery of complex, mission-critical applications
* Experience with modern framework, such as Svelte
* Experience with WebSocket's
* Experience with multithreading/concurrency
* Experience with Kubernetes other containerized environment
* Experience with RESTful API design and implementation
* Security+ certification (or willingness to obtain within a specified timeframe) - What You Can Expect: A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation. An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality. A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Since this position can be worked in more than one location, the range shown is the national average for the position. The proposed salary range for this position is: $98,500-$206,800 CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.