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Denver, Colorado, United States
Onsite
The Opportunity:
CACI is seeking a Full Stack Web Developer to join our dynamic technology team. As a Full Stack Developer. You will serve as a key member of our development team, building responsive, scalable, and high-performance applications and software that solves complex national security challenges. You will collaborate with cross-functional teams to design, develop, and maintain both frontend and backend components of our applications and software.
You will be responsible for the full development lifecycle from conceptualization to deployment. This includes designing system architecture, implementing frontend and backend components, integrating with databases, and ensuring the performance, reliability, and security of our applications. You'll work in an agile environment with opportunities to learn new technologies and contribute to innovative solutions.
Responsibilities:
• Design and develop modern web applications using React.js for frontend and Flask/Express.js for backend services
• Build and maintain RESTful APIs that power our applications and integrate with various data sources
• Implement responsive user interfaces using HTML5, CSS3, and modern JavaScript frameworks
• Work with PostgreSQL databases to design schemas, optimize queries, and ensure data integrity
• Collaborate with UX/UI designers to translate wireframes and mockups into functional code
• Participate in code reviews and implement best practices for version control using Git
• Debug issues across the entire stack and propose solutions to improve application performance
• Contribute to technical documentation to support knowledge sharing and maintenance
Qualifications:
Required:
• B.S. in Computer Science, Software Engineering, Computer Engineering or related field
• 5+ years of professional experience in web development
• Strong proficiency with React.js and modern JavaScript/TypeScript development
• Experience building backend APIs with Flask (Python) and Express.js (Node.js)
• Proficient in Python, HTML5, CSS3, TypeScript, and JavaScript
• Experience with PostgreSQL and writing efficient SQL queries
• Strong understanding of RESTful API design principles
• Experience with version control systems (Git) and collaborative development workflows
• Problem-solving mindset with attention to detail and code quality
• Strong communication skills and ability to work effectively in a team
environment
*Must have an active TS/SCI Clearance
Desired:
• Experience with GitLab CI/CD pipelines and DevOps workflows
• Knowledge of Docker containerization and deployment strategies
• Familiarity with WebSockets for real-time communication
• Knowledge of the Tailwind CSS framework for building responsive interfaces
• Experience with ORM libraries (SQLAlchemy, Prisma, Drizzle, etc.)
• Experience with Tanstack Tools (Router, Query, Forms)
• Experience with Redis for caching and session management
• Understanding of web security best practices
• Experience with automated testing frameworks for both frontend and backend
• Knowledge of cloud platforms (AWS, Azure, GCP)
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.
The proposed salary range for this position is:
$90,300 - 189,600 USD