Senior Software Engineer
CACI International· Defense· Sep 15, 2026 · 1mo ago
Sterling VA US
In office
Full-time
Senior
$99K–$207K
4+ years exp
Job description
Job Title: Senior Software Engineer
Job Category: Engineering
Time Type: Full time
Minimum Clearance Required to Start: Top Secret
Employee Type: Regular
Percentage of Travel Required: Up to 10%
Type of Travel: Continental US
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The Opportunity:
We are seeking a Senior Software Engineer to join our growing team based in Sterling, VA or Carry, NC. You will serve as a key member of our development team, building responsive, scalable, and high-performance applications that solve complex challenges in the field of counter unmanned systems (C-UxS) detection and mitigation.
As a Senior Software Engineer, you will be responsible for creating the vision and strategy for different products and solutions with an emphasis in infrastructure, capabilities, and sustainability.
We support product development and solutions across a variety of mission-critical systems deployed around the world. As a Senior Software Engineer, you will be responsible for the full development lifecycle, from conceptualization through deployment, creating software-focused products with a strong customer-driven mentality that addresses evolving mission demands.
Responsibilities:
You will work with cross-functional teams to design, develop, and maintain modern web applications and backend services that power our mission-critical systems. Your work will drive product vision and technical direction while ensuring performance, reliability, and security.
Design and develop full-stack web applications while providing technical leadership on software architecture and improvements
Build and maintain RESTful APIs and responsive user interfaces
Build relationships across CACI ASG engineering teams, program management, and customers to execute software lifecycles and communicate technical designs and roadmaps
Lead business readiness activities and collaborate with UX/UI designers to translate designs into functional, production-ready code
Deploy and maintain mission-essential systems using DevOps tools, containerization technologies, and Git best practices while ensuring high uptime and performance
Debug full-stack issues, participate in code reviews, and implement solutions to improve application reliability and performance
Conduct usability research and market analysis to translate customer needs into technical requirements and basis of estimates (BOEs)
Qualifications:
4 year degree or equivalent experience
7 years of software development experience
Experience developing applications for commercial cloud technologies (E.g. AWS C2E, GovCloud)
Familiarity and Experience with Web Development Technologies – Java, JavaScript, HTML, HTML5, CSS, Groovy, Grails, Angular
Familiarity and Experience with Backend Development Technologies – General knowledge of Python and Java language
Familiarity and Experience with general Software concepts – Software as a Service, Microservices, Containerization, Cross-browser compatibility, Web User Interface Design, Security Principles, Object-Oriented Design, Web Services
Strong understanding of deploying software using common DevOps tools (Nexus, Artifactory, Jenkins, Harbor, Docker, etc...)
Experience ingesting requirements and generating basis of estimates (BOEs) for work
Experience leading and/or integrating Agile methodologies
Experience supporting mission-essential systems with high uptime requirements
There is a Top Secret clearance requirement to begin employment. In addition, as a requirement of continued employment in this position you will be required to obtain a TS/SCI clearance.
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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.
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.
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