Full Stack Software Developer Contract Jobs in Boulder, CO

Job Title: Full Stack Software Engineer 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: 9/30/2026 The Opportunity: We are seeking a talented and motivated Software Engineer to join our dynamic team. As a key contributor, you will design, develop, and maintain innovative software solutions that meet modern industry standards. Our ideal candidate is proficient in multiple programming languages, embraces agile development methodologies, and thrives in a collaborative environment. You will be responsible for writing clean, scalable code, troubleshooting technical issues, and optimizing system performance. A strong understanding of cloud computing, APIs, and software architecture is highly desirable. If you are passionate about technology and eager to make an impact, we would love to hear from you! Responsibilities: * Managing the complete software development process from conception to deployment
* Maintaining and upgrading the software following deployment
* Managing the end-to-end life cycle for the production of software and applications
* Overseeing and guiding the analyzing, writing, building, and deployment of software
* Overseeing the automated testing and providing feedback to management during the development process
* Modifying and testing changes to previously developed programs Qualifications: Required: * Bachelor's degree in computer science or related field
* 5+ years of experience in object-oriented (OO) languages, with a significant focus on Python
* At least 2 years of JavaScript or TypeScript experience
* Ability to collaborate with cross-functional teams including product managers, architects, and other engineers to define, design, and ship new features
* Understanding of the full software development lifecycle (SDLC), including requirements gathering, design, coding, testing, deployment, and maintenance
* Ability to write clean, efficient, well-documented, and testable code
* Experience in the development of unit, integration, and system tests to ensure software quality
* Experiencing in the development of microservices and RESTful APIs Knowledge of how to work in an Agile/Scrum development environment, participating in sprint planning, daily stand-ups, and sprint reviews
* Ability to work in office full time
* Active TS/SCI U.S. Government Security Clearance with Polygraph Desired: * Experience with a modern cloud provider such as AWS or Azure as well as understanding of standalone Kubernetes deployments
* Experience with modern front-end development using React or Angular as well as a corollary understanding of JavaScript or Typescript
* Experience with Source Control tools (e.g. Git, Gitlab)
* Experience with DevSecOps and Agile Scrum software development methodology including using tools like Git, Jira and Confluence
* IAT Level II or III certification (i.e. Security+, CISSP, or CASP) - 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: $82,100-$172,400 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.