Software Engineer -- Expert
CACI International· Defense· Aug 27, 2026 · 2mo agoPosted 61 days ago
Chantilly, VA, US
In office
Full-time
Mid
$104K–$218K
Before you apply
Ghost Signal:
Open 61 days.
Job description
Job Title: Software Engineer -- Expert
Job Category: Information Technology
Time Type: Full time
Minimum Clearance Required to Start: TS/SCI with Polygraph
Employee Type: Regular
Percentage of Travel Required: None
Type of Travel: None
* * *
CACI is seeking a highly motivated, self-directed professional to fill a Software Developer role in Chantilly, VA, to support the customer’s modernization effort. The successful candidate will design, build, and deploy highly scalable, resilient, performant cloud microservices, develop code using various programming and scripting languages, and adhere to approved design plans and coding standards, as well as identify complex problems and review related information to develop and evaluate options. The candidate will collaborate with the user interface designer(s) to ensure seamless integration and will focus on innovating new and better ways to create solutions that add value.
Responsibilities
• Design, develop, test, and maintain scalable full-stack software applications.
• Develop backend services and APIs using Python and modern web frameworks.
• Build and integrate RESTful APIs to support application functionality and system interoperability.
• Design, develop, and optimize solutions leveraging relational databases.
• Develop and maintain responsive user interfaces using JavaScript and Angular.
• Collaborate with engineers, architects, and stakeholders to define technical requirements and implement solutions.
• Troubleshoot software defects, performance issues, and system integrations.
• Participate in code reviews and promote software development best practices.
• Contribute throughout the full software development lifecycle, from requirements through deployment and sustainment.
• Support Agile development activities including sprint planning, development, testing, and retrospectives.
• Ensure solutions meet security, performance, and maintainability requirements.
Required Qualifications
ACTIVE TS/SCI with Polygraph
• Bachelor s degree in Computer Science, Software Engineering, Information Systems, or a related technical discipline (or equivalent experience).
• Experience developing applications using Python.
• Experience with front-end development using JavaScript.
• Experience with Angular or modern front-end frameworks.
• Experience designing, developing, and consuming RESTful APIs.
• Strong experience working with relational databases such as PostgreSQL, Oracle, SQL Server, or MySQL.
• Experience developing and maintaining software within Linux/Unix environments.
• Understanding of software development best practices, including version control, testing, and code reviews.
• Experience working in Agile development environments.
Desired Qualifications
• Experience developing APIs using FastAPI.
• Experience utilizing SQLAlchemy for database integration and ORM development.
• Experience developing cloud-based applications, preferably within AWS environments.
• Familiarity with CI/CD pipelines and DevOps practices.
• Experience with containerization technologies and microservices architectures.
• Experience with Git, Jenkins, Terraform, or similar development tools.
• Familiarity with Elasticsearch, OpenSearch, or other search technologies.
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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:
$103,800 - $218,100
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.
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