Senior Principal Software Developer
Caci NSS
Springfield, VA · Posted September 23, 2026
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Where Springfield, VA ranks
Where Springfield, VA placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Best cities for mid-career professionals76% · of 100
- #1Best cities for mid-career professionals in the Mid-Atlantic76% · of 85
- #1Best cities for mid-career professionals in the Southeast76% · of 87
- #11Best cities for pay after cost of living in Virginia$129k · of 15
- #13Best all-round cities for mid-career professionals in the Southeast54 / 100 · of 33
- #14Best all-round cities for mid-career professionals in the Mid-Atlantic55 / 100 · of 37
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
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Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
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About the job
Job Title: Senior Principal Software Developer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of Travel Required: None Type of Travel: Local * * * The Opportunity: CACI is seeking a experienced Senior Principal Software Developer to support a mission-critical program for the National Geospatial-Intelligence Agency (NGA). In this role, you will utilize well-defined software processes, such as Agile, to work as part of a development team in a rapid development environment. You will design, code, and unit test front-end and back-end solutions for integrated systems, develop integration code to connect systems and services, and build solutions that promote interoperability through open standards and service-based architectures. This position offers the opportunity to directly support national security missions in a fast-paced environment. Responsibilities: · Utilize well-defined software processes, such as Agile, to work as part of a development team in a rapid development environment · Design, code, and unit test front-end and back-end solutions for integrated systems using languages and packages such as HTML, CSS, C++, C#, Java, and JavaScript · Develop integration code to connect and interface systems and services · Develop solutions that utilize open standards and Interface Control Documents (ICDs) to promote interoperability through service-based architectures · Support the development and configuration of database systems · Analyze, fix, and document Discrepancy Reports (DRs) on systems · Participate in code reviews, sprint planning, and other Agile ceremonies to support team delivery goals · Coordinate with program stakeholders to ensure development work aligns with business and technical requirements Qualifications: Required: · Active Top Secret clearance with the ability to obtain/maintain SCI and polygraph · Bachelor's degree in any field/major, or 7 additional years of relevant information technology experience in lieu of degree · Experience using languages and packages such as HTML, CSS, C++, C#, Java, and JavaScript · Experience designing, coding, and unit testing front-end and back-end solutions for integrated systems Desired: · Technical certification such as Network+, Security+, Oracle, or a certification specializing in software development or cloud computing · Certified AWS Solutions Architect (Associate or higher) or equivalent AWS certification · Experience with Momentum Financials (Unison/CGI) systems · Experience supporting NGA or other NGA/IC customer environments specifically - 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.